Some standard content:
ICs81.040.30
National Standard of the People's Republic of China
GB/T11416—2002
Domestic insulated containers
Domestic insulated containers2002-05-29Promulgated
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
2003-01-01Implementation
GB/T11416—2002
This standard is a revision of GB/T11416-1989 "Daily Insulated Containers". The revision of this standard refers to the Japanese standard JISS2006-1994 "Thermos Flask". In order to ensure the safety of daily insulation containers, this standard clearly stipulates that: a large-mouthed bottle and insulation lunch box should be equipped with a protective lining (referred to as the lining); the outlet of the bottle stopper should be clearly marked and not easy to erase; the rubber and plastic accessories in contact with food involved in this standard should comply with the relevant health standards of my country, and the thickness of the material must meet the safety performance and strength requirements; the bottom of the seated insulation bottle larger than 2L should be equipped with anti-loosening screws or devices. This standard does not include small-mouthed insulation bottles with blow-molded shells. This standard is promoted from the date of implementation and replaces GB/T11416-1989 "Oral Insulation Containers". Appendix A and Appendix B of this standard are both appendices to the standard. This standard is proposed by the China Light Industry Federation. This standard is under the jurisdiction of the National Daily Glass and Porcelain Standardization Center. The drafting units of this standard: Light Industry Glass and Porcelain Research Institute, National Eyeglass Glass and Porcelain Products Quality Supervision and Inspection Center, Shanghai Insulation Container Company, Beijing Insulation Bottle Industry Company, Hubei Jingjiang Co., Ltd. The main drafters of this standard: Zhang Guoli, Pan Fengfang, Yin Yanzhan, Shuai Danlong. 1 Scope
National Standard of the People's Republic of China
Domestic insulated containers
Domestic insulated containersGB/T 11416 2002
Replacement GB/T11416-1989
This standard specifies the classification, requirements, test methods, inspection rules and marking, packaging, transportation, storage, etc. of domestic insulated containers. This standard applies to domestic insulated containers assembled from double-layer glass vacuum flasks with a coating on the vacuum surface (hereinafter referred to as flasks) and outer shells for storing drinking water and other food.
2 Referenced standards
The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. When this standard is published, the versions shown are valid. All standards are subject to revision, and parties using this standard should explore the possibility of using the latest versions of the following standards. GB/T28281987
GB/T6388—1986
Batch-by-batch inspection counting sampling procedures and sampling tables (applicable to inspection of continuous batches) Transport packaging delivery and receipt marks
GB/T 6543-1986
Corrugated paper boxes
GB/T 65821997
HG/T 2885-1997
QB/T3724—1999
QB/T 3726-1999
QB/T3727—1999
QB/T38261999
QB/T3832—1999
3 Classification and component names
3.1 Classification
Test method and classification of glass particles at 98°C water resistance (eqvISO719:1985) Polypropylene pressure-sensitive adhesive tape for packaging
Test method for pressure resistance of thermos flask liner
Test method for thermal insulation efficiency of thermos flask liner
Test method for thermal shock resistance of thermos flask liner
Test method for corrosion resistance of metal coatings and chemical treatment layers of light industrial products - neutral salt spray test (VSS) Evaluation of corrosion test results of metal coatings on light industrial products is distinguished according to the type and nominal capacity of daily thermal insulation containers, see Table 1. Type
Portable
Small mouth thermos
Wet container
Air pressure water outlet type
Large mouth thermos bottle,
Thermos lunch box
Thermos cup
Nominal capacity
0. 2~-1.0
1. 0~-3. 2
0.25---0.40
Main features
Easy to carry, suitable for going out and traveling. There should be a sealing case, and the thermos is also equipped with a shoulder strap, inner and outer covers and other parts. The thermos with water tilted to the side
The thermos with water discharged by pressure or lever, with the help of air pressure water discharge mechanism
The thermos with the mouth of the bottle liner having a diameter of half the diameter of the bottle body, suitable for keeping food, ice cubes, etc. warm, the bottle liner should be equipped with a lining
The thermos is assembled from a small-capacity large-mouth bottle and a cup-shaped shell
Refer to Figure 1 and Table 2
Refer to Figure 2 and Table 2
Refer to Figure 3 and Table 2
Refer to Figure 4 and Table 2
Refer to Figure and Table 2
Note: The nominal capacity refers to the capacity during normal use, that is, the capacity of the thermos bottle filled with water and with the stopper on. The thermos bottle with liner refers to the capacity when the liner and the stopper are installed.
Approved by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China on May 29, 2002 and implemented on January 1, 2003
3.2 Component Names
GB/T11416-2002
The main component names of the thermos bottle are shown in Figures 1, 5 and 2. 11
Figure 1 Portable thermos
Figure 3 Pressure water-discharging thermos
4 Requirements
Good cup (outer cup)
Cover cup (inner cup)
Cover (upper)
Upper lock
Connect cover or lever
Air inlet
Air outlet!
4.1 Performance
4.1.1 Overall stability to ensure safe use. 2
Figure 1 Large-mouth thermos
Bottle-sealed rubber
Water pipe
Water pipe protection ring
Water outlet
Built-in piercer (lunch box, soup can)
Figure 2 Ordinary thermos
Thermos cup
Mouth part (plastic products have)
Rubber mouth ring
Bottom screw
GB/T11416-2002
4.1.2 When filling, water cannot penetrate between the bottle liner and the shell, and adhere to the outside of the liner and the inside of the shell. 4.1.3 The movement of moving parts (such as threaded cover cup, upper cover of air-pressure thermos, rotatable bottom ring, etc.) should be smooth and flexible to ensure normal operation.
4.1.4 The water outlet mechanism of the air-pressure thermos should ensure its normal function and smooth movement. 4.1.5 For thermos bottles with straps, the straps and their accessories should be firm and should not fall off during use. 4.1.6 The surface of the lining and spoons of large-mouth thermos bottles and thermos lunch boxes should be smooth: there should be no defects such as burrs. 4.2 Physical and chemical properties
The rubber and plastic accessories used in thermos containers that are in direct contact with the contents should meet the requirements of the relevant hygiene standards of my country. For thermos containers with straps, the straps should not fade and meet the requirements of the relevant textile color fastness tests. 4.2.1 Thermal insulation performance
4.2.1.1 Small-mouthed thermos containers
The bottle stopper is directly sealed inside the bottle mouth, and the thermal insulation performance should be consistent with the thermal insulation performance requirements of the bottle liner of the corresponding capacity used (see Appendix A-A2): For bottles that are not completely sealed and have openings to the outside, those that are within 6°C (including 6°C) lower than the thermal insulation performance requirements of the bottle liner of the corresponding capacity used are qualified.
4.2.1.2 The thermal insulation performance of large-mouth thermal insulation containers
shall not be less than that specified in Appendix Table A3. 4.2.2 Bottle liner
See Appendix A (Standard Appendix)
4.2.3 Shell
See Appendix B (Standard Appendix)
4.2.4 Other physical and chemical properties
shall comply with the provisions of Table 3.
Odor of bottle stopper and peculiar smell of hot water in bottle
Portable thermos
Impact resistance
Stand-type thermos
Large-mouth thermos, insulated lunch box
Adhesion of surface decoration layer
On metal parts
Electroplated layer
On plastic parts
Bonding strength
Thermal cycle
Hot water resistance of rubber and plastic gaskets
Capacity tolerance
Pour test
No obvious odor of bottle stopper and no obvious odor of hot water in bottle
No abnormality in bottle
Retain more than 90 checkerboard grids
Good gloss of coating, continuous spraying for 21h in neutral salt spray test.Not less than level 5
The coating has good gloss and no peeling, and retains more than 97 checkerboard grids
After the test, the surface of the sensitive layer shall not expand
Not sticky, and the appearance has no obvious change
The upper 5% of the nominal capacity
No dumping
Test method
5. 5. 2. 1
Applicable to bottle size when nominal capacity ≥ 2L
Products with waist connection
Applicable to parts directly connected to contents
Applicable to ten-seat thermos
Connection strength of handle and lifting ring
Strap strength
Natural water
Durability of water outlet mechanism
Hot water leakage
Moss drinking water output
4.3 Assembly quality
Belt-type thermos
Seat-type thermos
No abnormality
No abnormality
No overflow
GB/T 114162002
Table 3 (end)
No abnormality in the water outlet mechanism, especially the natural overflow
No hot water temperature leakage
Hot water does not enter the inner side of the shell
2200ml
4.3.1 The assembly of the insulation container must ensure safety. Test method
4.3.1.1 The shape of the shell should be flat, the inlay and interface should be well assembled, and the connection between the shell body and the shoulder and bottom should be reliable. Remarks
Applicable to gas pressure insulation bottle
Applicable to gas pressure insulation bottle
4.3-1.2 The handles, lifting rings, straps, rivets, etc. on the shell should be firm, the surface should be smooth, and not easy to fall off. The thread should not slip. 4.3.1.3 The bottle should be firmly and stably fixed. 4.3.1.4 The overall placement should be stable.
4.3.2 Portable thermal insulation container
4.3.2.1 Bottom accessories are firmly installed
4.3.2.2 For those equipped with a shoulder strap, the length of the shoulder strap should be more than 40cm (measure the length of the shoulder strap as shown in Figure 6), and the length should be adjustable. Figure 6 Schematic diagram of shoulder strap length measurement
4.3.3 Stand-type thermal insulation container
4.3-3.1 Ordinary type
4.3.3.1.1 The water port of the bottle stopper is clearly marked and not easy to erase. 4.3.3.1.2 The bottom of the thermal insulation container larger than 21. should be equipped with anti-loosening screws or devices: 4.3.3.2 Air pressure water outlet type
4.3.3.2.1 When the water outlet mechanism is closed, the gap between the shoulder and the cover is not more than 2mm: The gap between the shell and the shoulder and bottom is not more than 1mm. 4.3.3.2.2 The bottom of the thermos shell with a pressure of more than 2L should be equipped with anti-loosening screws or devices. 3 The cover or lever should be equipped with a locking device to prevent misoperation: 4.3.3.2.3
4.3.3.2.4 The metal water pipe should be equipped with a protective ring: 4
4.3.4 Insulated containers for population
GB/T114162002
4.3.4. 1 Large-mouthed thermos bottles and insulated lunch boxes should be equipped with linings. 4-3.4.2 The lining should not fall off easily.
4.3.4.3 The upper cover should be easy to put on and take off, and it should not fall off easily against vibration. 4.3.4.4 The length of the shoulder strap should be more than 40cm (measure the shoulder strap length as shown in Figure 6), and H can be adjusted in length. 4.3.4.5 The built-in container (lunch box or can) should be easy to put in and take out. 4.4 Appearance
The surface treatment of painting, electroplating and other coatings is good, and there are no defects that seriously affect the appearance and hinder the use. 5 Test method
5.1 Thermal insulation performance
In a nearly windless room, the thermal insulation test is carried out according to QB/T3726. The product bottle should be used in the test. Place it in the specified thermal insulation time under normal use.
Note 1: The temperature of 0.2L small-mouth thermal insulation bottle is measured after 12 hours of thermal insulation, and the humidity of other small-mouth thermal insulation bottles is measured after 24 hours of thermal insulation. Note 2: 0.4 L or less (including 0.4 L) thermos bottles should be tested after 4 hours of thermos, and other large-mouth thermos containers should be tested after 6 hours of thermos. Note 3: Normal use state refers to the state where the thermos bottle with bottle stopper, cover cup or other types of accessories is placed vertically. 5.2 Bottle stopper odor and hot water odor in the bottle
Fill the thermos container with (95 ± 1) of hot water, plug it with a clean bottle stopper, and place it in normal use for 30 minutes. Open the bottle stopper and check whether the odor of the bottle stopper has changed significantly and whether the hot water in the bottle has any odor. If there is any dispute during the judgment, the same judgment of at least 3 out of 5 inspectors shall prevail.
5.3 Impact resistance
5.3.1 Portable thermos
Fill the container with water at room temperature, hang it up as shown in the figure under normal use, and adjust the shoulder strap length to 40cm. Then pull the sample to an angle of 30° with a hardwood board with a thickness of more than 3 cm and fixed vertically, and make the sample hit the board to check whether there is any abnormality in the bottle liner. Unit: ema
Figure? Schematic diagram of impact resistance test of portable thermos flask 5.3.2 Table thermos flask and thermos cup
Fill the container with water at room temperature. Hang it as shown in Figure 8 under normal use, and drop the sample vertically from a height of 10 cm to a hardwood board with a thickness of more than 3 cm and fixed horizontally, and check whether there is any abnormality in the bottle liner. 5.3.3 Wide-mouth thermos flask
At room temperature, let an oak ball with a diameter of (50±2.5) mm and a mass of (80+4) g or a wooden ball of alternating mass fall in a static state (as shown in Figure 9) on the center of the inner lining of the wide-mouth bottle liner under normal use, and check whether there is any abnormality in the bottle liner. 5.3.4 Insulated lunch box
Insulated lunch box with straps shall be tested according to the method in 5.3.1. GB/T114162002
Insulated lunch box without straps shall be tested according to the method in 5.3.3. Cut with scissors
(Zhou Ding)
Unit: cm
Figure 8 Schematic diagram of impact resistance test of pedestal thermos and thermos cups Ball
Falling device
Protector
Figure 9 Schematic diagram of impact test of in-mouth thermos 5.4 Adhesion of surface decoration layer
Use a sharp knife to cut 100 (10×10) 1mm squares on the surface decoration layer, with the blade reaching the bottom plate, and stick the pressed adhesive tape (transparent tape) that meets the requirements of HG/T2885 qualified products on it, and pull it vertically to the surface of the sample, and calculate the number of remaining squares. Except for text decoration.
5.5 Electroplating layer
5.5.1 Electroplating layer on iron
Carry out corrosion resistance test of electroplating layer on iron according to QB/T3826: and judge according to simplified 10 in QB/T3832. 5.5.2 Electroplating layer on plastic
5.5.2.1 Bonding strength
Use a sharp knife to scratch the electroplating layer of the sample to the surface of the substrate, forming 100 1mm squares (10×10). Paste the pressure-sensitive adhesive tape described in 5.4 on it, and pull it vertically to the surface of the sample, and calculate the number of squares retained. 5.5.2.2 Thermal cycle
Put the sample in an environment with a temperature of (70±2)°C, and place it at room temperature for 30min after 1h; then place it at 0°C, and place it at room temperature for 30min after 1h. This is a cycle. After 3 cycles, check the surface of the electroplating layer. 5.6 Hot water resistance of rubber and plastic products in contact with food Place the sample in a container equipped with a circulating cooler as shown in Figure 10, boil for 4 hours, then take it out and check whether it is sticky. Then place it at room temperature for 2 hours and check whether the appearance has changed. 5.7 Capacity
The mass of the insulation container filled with room temperature water and plugged with a bottle stopper minus the mass of the empty bottle and the bottle stopper is converted into capacity (1g=1mL). The liner of the bottle with lining is not removed during measurement. 5.8 Tipping test
GB/T11416—2002
Put a thermos bottle filled with water on a straight wooden board tilted at 15° in normal use and observe whether it will tip over
5-9 Connection strength of handles and lifting rings
Hang the thermos bottle by the handles and lifting rings, and slowly load the bottle body with 6 times the mass of the thermos bottle filled with water (including the bottle stopper and accessories) as a load, and hang it for 5 minutes. After removing the load, check whether the bottle body has any abnormality. Unit: cm
Circulating cooler
Distilled water
Figure 10 Schematic diagram of hot water resistance test device for rubber and plastic gaskets 5.10 Strap strength
Hang up the thermos bottle with a strap, and slowly load 10 times the mass of the thermos bottle filled with water (including the bottle stopper and accessories) onto the bottle body as a load, and hang it still for 5 minutes (as shown in Figure 11). After removing the load, check whether there is any abnormality in the bottle body. Unit: cm
#5---10
Figure 11 Schematic diagram of strap strength test
5.11 Natural overflow
Leak hot water above 90°C into half of the pedestal air pressure water outlet thermos, use the bottom of the bottle as the fulcrum, shake it left and right for 10s, with an amplitude of 10cm and a vibration speed of 100 times/min, and check whether there is water flowing out of the water outlet. 5.12 Durability of water outlet mechanism
Remove the water pipe of the air pressure water outlet thermos, place the air pressure water outlet thermos and the container (water tank or measuring cylinder) as shown in Figure 12, and then press (manually or by testing machine) at a speed of 6 times per minute for 10,000 times, and then check whether the water output meets the requirements according to the provisions of 5.11. Check whether the water outlet mechanism is abnormal and whether there is any natural overflow phenomenon as described in 5.11. --
5.13 Hot water leakage
5.13.1 Portable thermos
GB/T114162002
Unit: cun
Air pressure thermos
Container (sink, measuring vessel, etc.)
Figure 12 Schematic diagram of water outlet mechanism durability test Pour hot water above 90° into the portable thermos, with the water volume being about 50% of the nominal capacity. Plug in the sealing plug, and fasten the inner and outer covers. Under normal use, with the bottle mouth facing upward, shake it up and down 10 times, then open the inner and outer covers to check if there is any hot water leakage. Then take out the bottle to check if there is any water mark on the inner wall of the shell.
5.13.2 Pedestal Thermos Flask
Fill the pedestal thermos flask with hot water above 90℃ to the top of the rubber ring at the bottle mouth. After leaving it for 30 minutes, pour out the hot water, unscrew the bottom of the shell and take out the bottle liner. Observe whether there is any water leakage between the bottle liner and the shell. 5.14 The first water output of the pressure-discharged thermos flask Fill the pressure-discharged thermos flask with hot water of (80±2)℃, take a measuring cup and place it under the water outlet, press the cover or lever until the water at the water outlet stops flowing for the first time.
5.15 Performance, assembly quality, appearance, feel and visual inspection, supplemented by general or special inspection tools that meet the requirements when necessary. 6 Inspection Rules
6. 1 Type Test
6.1.1 When designing new products, improving old products and making major changes in production technical conditions, type tests should be carried out. Type tests are required after a certain period of production or a certain output. 6.1.2 During the type test, samples shall be randomly selected from the initial batch of products and tested item by item according to all the items listed in Chapter 1. For each item, more than 3 products shall be selected as samples. For items such as water leakage test, more than 8 products may be selected as samples. The test method shall be carried out in accordance with the provisions of Chapter 8.
6.1.3 During the type test, all test items shall comply with the provisions of Chapter 4. 6.2 Factory inspection
6.2.1 The factory inspection adopts the secondary sampling plan specified in GB/T2828, which can also be agreed upon by the supply and demand parties when necessary. 6.2.2 The items, inspection level and qualified quality level of the factory inspection are shown in Table 4. Table 4
Performance in use, assembly quality
Thermal insulation efficiency
Inspection level
GB/T 11416—2002
6.2.3 For each batch of inspection, all the above items must be qualified. If one item is unqualified, the production department shall sort it out and re-inspect it. If the re-submitted products still do not meet the requirements, the batch shall be considered unqualified.7 Marking, packaging, transportation, storage
7.1 Marking
7.1.1 Each product or its packaging shall have a clear mark indicating the product's name, capacity, manufacturer's name and address, trademark and quality grade, etc., and shall be accompanied by a product manual and certificate of conformity. 7.1.2 The manual shall state the product's name, capacity, caliber, manufacturer's name and address, telephone number, quality grade, adopted standard number, quality assurance, replacement requirements and other terms that need to be explained; and shall state the method of use and precautions during use. 7.1.3 The transport package shall indicate the manufacturer's name, article number, grade, quantity, package size, volume, quality, packing date and receipt mark. 7.1.4 The package shall be marked with fragile, moisture-proof and not allowed to be inverted. The mark shall comply with the provisions of GB/T6388. 7.2 Packaging
7.2.1 Packaging is divided into sales packaging and transport packaging. 7.2.2 The thermal insulation container shall be wrapped with a moisture-proof packaging such as plastic film before being packed into the sales packaging box. 7.2.3 The transport package shall use a single corrugated cardboard box or a double corrugated cardboard box that complies with the requirements of GB/T6543. 7.2.4 When packing the finished product, the bottom of the bottle shall be loaded straight down. When sealing the box, the bottom and cover of the box shall be sealed and glued with adhesive. When bundling, the bundling belt shall be moderately tight.
7.3 Transportation
7.3.1 During transportation, moisture, rain and severe vibration shall be avoided. 7.3.2 During transportation, the container should be handled with care, not inverted, not sat on or stepped on, and thrown. 7.4 Storage
7.4.1 The storage area should be dry, ventilated, and free from rain and snow. Prevent moisture. 7.4.2 The stacking height during storage should not exceed 3.5m, and it should be avoided from mixing with oils, acids and alkalis during storage. A1 Scope of application
GB/T11416—2002
Appendix A
(Appendix to the standard)
This appendix is about the regulations for the glass vacuum double-layer (the vacuum surface has a coating) insulation bottle liner (hereinafter referred to as the bottle liner) used in insulation containers.
A2 Names of the main parts of the bottle liner
The names of the main parts of the bottle liner are shown in Figures A1 and A2. Bottle mouth outer diameter
Short mouth inner limit
A3 Material
The bottle liner is generally made of soda-lime silicate glass or borosilicate glass: 44 Technical requirements and test methods
A4.1 Specifications and dimensions
A4.1.1 The allowable error of the nominal capacity of the bottle liner is ±5 μm, and the determination method shall be carried out in accordance with 5.7. A4.1.22L, 3.21. General bottle specifications are shown in Table A1 Table A1
Nominal capacity
Inner diameter of bottle/mm
Outer diameter of bottle mouth/mm
Outer diameter of bottle mouth
Inner diameter of bottle mouth
Length of bottle mouth/mm
325±4
342±4
A4.1.3 The allowable error of the inner diameter of the bottle mouth of a large-mouth bottle is ±1.5mm, and the allowable error of the inner diameter of other openings is ±1.2mm. A4.2 Physical and chemical properties and test methods
A4.2.1 The test method for thermal insulation performance shall be carried out in accordance with 3.1 of QB/13726-1999. A4.2.1.1 The thermal insulation performance of a small-mouth bottle is required to be greater than or equal to the data shown in Table A2. 10
Mass/g1 The factory inspection adopts the secondary sampling plan specified in GB/T2828, and the supply and demand parties may also agree on it separately when necessary. 6.2.2 The items, inspection level and qualified quality level of the factory inspection are shown in Table 4. Table 4
Performance, assembly qualitybZxz.net
Insulation efficiency
Inspection level
GB/T 11416—2002
6.2.3 For each batch of inspection, all the above items must be qualified. If one item is unqualified, it should be sorted out by the production department and re-inspected. If the products re-submitted for inspection still do not meet the requirements, the batch will be considered unqualified.7 Marking, packaging, transportation, storage
7.1 Marking
7.1.1 Each product or its packaging should have a clear mark indicating the product's name, capacity, manufacturer's name and address, trademark and quality grade, etc., and should be accompanied by a product manual and certificate of conformity. 7.1.2 The instructions shall state the product name, capacity, caliber, manufacturer name and address, telephone number, quality grade, standard number, quality assurance, exchange requirements and other terms that need to be explained; and state the method of use and precautions during use. 7.1.3 The transport package shall indicate the manufacturer name, product number, grade, quantity, package box size, volume, quality, packing date and receipt mark. 7.1.4 The package box shall have signs such as fragile, moisture-proof and not allowed to be inverted. The signs shall comply with the provisions of GB/T6388. 7.2 Packaging
7.2.1 Packaging is divided into sales packaging and transport packaging. 7.2.2 The thermal insulation container shall be wrapped with moisture-proof packaging such as plastic film before being placed in the sales packaging box. 7.2.3 The transport packaging shall use a single corrugated box or double corrugated box that meets the requirements of GB/T6543. 7.2.4 When packing finished products, the bottom of the bottle should be placed straight down. When sealing the box, the bottom and the lid of the box should be sealed and glued with adhesive. When bundling, the bundling belt should be moderately tight.
7.3 Transportation
7.3.1 During transportation, moisture, rain and severe vibration should be avoided. 7.3.2 During transportation, the products should be handled and placed with care, not inverted, not sat on or stepped on at will, and throwing is strictly prohibited. 7.4 Storage
7.4.1 The storage area should be dry, ventilated, and free of rain and snow. Prevent moisture. 7.4.2 During storage, the stacking height should not exceed 3.5m, and it should be avoided from mixing with oils, acids and alkalis during storage. A1 Scope of application
GB/T11416—2002
Appendix A
(Appendix to the standard)
This appendix is about the regulations for the glass vacuum double-layer (the vacuum surface has a coating) thermos flask (hereinafter referred to as the flask) used in the thermal insulation container.
A2 Names of the main parts of the flask
The names of the main parts of the flask are shown in Figures A1 and A2. Bottle mouth outer diameter
Short mouth inner limit
A3 Materials
The flask is generally made of soda-lime silicate glass or borosilicate glass: 44 Technical requirements and test methods
A4.1 Specifications and dimensions
A4.1.1 The allowable error of the nominal capacity of the flask is ±5 μm, and the determination method is carried out according to 5.7. A4.1.22L, 3.21. General bottle specifications are shown in Table A1 Table A1
Nominal capacity
Inner diameter of bottle/mm
Outer diameter of bottle mouth/mm
Outer diameter of bottle mouth
Inner diameter of bottle mouth
Length of bottle mouth/mm
325±4
342±4
A4.1.3 The allowable error of the inner diameter of the bottle mouth of a large-mouth bottle is ±1.5mm, and the allowable error of the inner diameter of other openings is ±1.2mm. A4.2 Physical and chemical properties and test methods
A4.2.1 The test method for thermal insulation performance shall be carried out in accordance with 3.1 of QB/13726-1999. A4.2.1.1 The thermal insulation performance of a small-mouth bottle is required to be greater than or equal to the data shown in Table A2. 10
Mass/g1 The factory inspection adopts the secondary sampling plan specified in GB/T2828, and the supply and demand parties may also agree on it separately when necessary. 6.2.2 The items, inspection level and qualified quality level of the factory inspection are shown in Table 4. Table 4
Performance, assembly quality
Insulation efficiency
Inspection level
GB/T 11416—2002
6.2.3 For each batch of inspection, all the above items must be qualified. If one item is unqualified, it should be sorted out by the production department and re-inspected. If the products re-submitted for inspection still do not meet the requirements, the batch will be considered unqualified.7 Marking, packaging, transportation, storage
7.1 Marking
7.1.1 Each product or its packaging should have a clear mark indicating the product's name, capacity, manufacturer's name and address, trademark and quality grade, etc., and should be accompanied by a product manual and certificate of conformity. 7.1.2 The instructions shall state the product name, capacity, caliber, manufacturer name and address, telephone number, quality grade, standard number, quality assurance, exchange requirements and other terms that need to be explained; and state the method of use and precautions during use. 7.1.3 The transport package shall indicate the manufacturer name, product number, grade, quantity, package box size, volume, quality, packing date and receipt mark. 7.1.4 The package box shall have signs such as fragile, moisture-proof and not allowed to be inverted. The signs shall comply with the provisions of GB/T6388. 7.2 Packaging
7.2.1 Packaging is divided into sales packaging and transport packaging. 7.2.2 The thermal insulation container shall be wrapped with moisture-proof packaging such as plastic film before being placed in the sales packaging box. 7.2.3 The transport packaging shall use a single corrugated box or double corrugated box that meets the requirements of GB/T6543. 7.2.4 When packing finished products, the bottom of the bottle should be placed straight down. When sealing the box, the bottom and the lid of the box should be sealed and glued with adhesive. When bundling, the bundling belt should be moderately tight.
7.3 Transportation
7.3.1 During transportation, moisture, rain and severe vibration should be avoided. 7.3.2 During transportation, the products should be handled and placed with care, not inverted, not sat on or stepped on at will, and throwing is strictly prohibited. 7.4 Storage
7.4.1 The storage area should be dry, ventilated, and free of rain and snow. Prevent moisture. 7.4.2 During storage, the stacking height should not exceed 3.5m, and it should be avoided from mixing with oils, acids and alkalis during storage. A1 Scope of application
GB/T11416—2002
Appendix A
(Appendix to the standard)
This appendix is about the regulations for the glass vacuum double-layer (the vacuum surface has a coating) thermos flask (hereinafter referred to as the flask) used in the thermal insulation container.
A2 Names of the main parts of the flask
The names of the main parts of the flask are shown in Figures A1 and A2. Bottle mouth outer diameter
Short mouth inner limit
A3 Materials
The flask is generally made of soda-lime silicate glass or borosilicate glass: 44 Technical requirements and test methods
A4.1 Specifications and dimensions
A4.1.1 The allowable error of the nominal capacity of the flask is ±5 μm, and the determination method is carried out according to 5.7. A4.1.22L, 3.21. General bottle specifications are shown in Table A1 Table A1
Nominal capacity
Inner diameter of bottle/mm
Outer diameter of bottle mouth/mm
Outer diameter of bottle mouth
Inner diameter of bottle mouth
Length of bottle mouth/mm
325±4
342±4
A4.1.3 The allowable error of the inner diameter of the bottle mouth of a large-mouth bottle is ±1.5mm, and the allowable error of the inner diameter of other openings is ±1.2mm. A4.2 Physical and chemical properties and test methods
A4.2.1 The test method for thermal insulation performance shall be carried out in accordance with 3.1 of QB/13726-1999. A4.2.1.1 The thermal insulation performance of a small-mouth bottle is required to be greater than or equal to the data shown in Table A2. 10
Mass/g
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