Some standard content:
1C5 71. 040. 20
National Standard of the People's Republic of China
GB/T15725.1~-15725.61995
Laboratory glassware flask
Laboratory glasswarc--Flask
1995-10-24
1996-07-01 implementation
State Administration of Technical Supervision
National Standard of the People's Republic of China
Laboratory glassware
Narrow-necked flask
LahoraloryglasBwareFlaak (nerrow neck) This standard is equivalent to the international standard 1301773/1976 Laboratory glassware 1 Subject content and scope of application
GB/T 15725- 1--1995
Flask (narrow neck)
This standard specifies the classification, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of flasks. This standard is applicable to laboratory flasks with narrow necks. 2 Reference standards
0B191 Packaging, storage and transportation graphic symbol
B28 Batch inspection counting chain sample procedure change sample table (for continuous batch inspection) GB/T6579 Laboratory glassware heat shock test method and test method and classification for resistance to boiling condensation and water solnification corrosion GB/T6580
GB/T6582 Wrinkle test method and grade for water resistance GRI2213 Technical diagram of glassware representation GB/T15726 Glass instrument internal stress test method GB/T1572 8. Test method and classification of boiling hydrochloric acid resistance of glass QB517 Terminology of appearance defects of weak products ZBQ002 Determination method of cumulative average linear thermal expansion of glass 3. Product classification 3.1 Types of bottles 3.2 Specification system 3.2.1 Mouth The specifications of conical flasks are: 2550, 100-250, 55, 1000, 2000.3000.4000.3.2.2 The specifications of conical flasks are: 60, 100, 260500, 130.2000.3000.4000. 000.5 000,6 (00,1 center C3 and 20 000 m1.3.3 Type and size
3.3.1 The type and size of the mouth-shaped flask are shown in Figure 1 and Table 1. Approved by the State Administration of Technology Supervision on October 24, 1995 and implemented on July 1, 1996
Ww3. 3. 2
Size L
Flask body outer diameter (D)
105.5-2.5
131.(=3. 0
106C23.2
137.0±3. 0
29G.Heart-.3.9
GB/E15725.1-T995
outer diameter)
22, 01. 0
42. 5±2. 6
55.9±2.0
Plate gold (H)
70.0±3.0
85. 5±3. 0
175.0±4.
222. 9± 4. G
315. 5±E. 0
365.0±5.c
For the types and dimensions of paper spherical bottom flask and paper mouth spherical bottom flask, please refer to Figure 2, Figure 3 and Table 2.mm.
Minimum thickness (s)
Good quality
125.0-2.0
166.013.c
195.013.c
207.013.6
223. 3±3. Core
235-0+3.Core
279.0+4.Core
545-0+4.c
GB,T15725.1—1995
Outer diameter of the flask
12.0±2.0
50.0±3.0
65.0±2.5
76.D±2.5
All-round H)
The radius between the bottom and the wall of the narrow-mouthed flask is 15%~20% of the outer diameter of the body, 3.3.3
The radius between the bottom and the wall of the narrow-mouthed flask is 1~1.25 of the outer diameter of the neck. The outer diameter of a narrow-mouthed flat-bottomed flask is 50% of the maximum outer diameter of the top, and the minimum wall thickness is GB/T15725.1—1995. 3.3.6 The radius of contact between the spherical flat bottom and round bottom flask and the wall is equal to 5% of the outer diameter of the top. Technical requirements 4.1 Material The narrow-mouthed flask should be made of borosilicate glass with appropriate chemical stability and thermal stability, preferably 3.3 borosilicate. 4.1.1 The expansion coefficient and water resistance, acid resistance and decomposition performance shall meet the requirements of Table 3, the chemical resistance shall be within the range of 20~3, the water resistance shall be within the range of 20~3, the alkali resistance shall be within the range of 5. 5X1D-*K-1A: Grade Note: When the heat resistance value of the material is required, GB657S can be used for testing. 4.1.2 Color The glass of the flask shall be colorless and transparent, and the yellow-green color of the glass itself is allowed. 4.2 Internal stress The optical basis difference value of birefringence shall not exceed BI m/ctal. 4.3 Appearance requirements
4.3.1 Narrow-mouthed flasks with rounded bottoms should not rotate or overlap when placed on a platform. 4.3.2 The top and bottom of the flask should be consistent and should not have a visible curve. The radius of the entire flask should be approximately equal to the radius of the neck. The mouth of the flask can be round or round.
4.3.3 Air bubbles
Air bubbles are not allowed to exist. The number of air cells that can be measured within a 10mm×10mm area and are less than 0.5mm in length should not exceed 3. At the same time, they should not exceed the requirements of Table 4.
25-105
256--500
1000--3CK
4 000--6 0
16000-20 565
qihaicunm
0. 5--,-G
0. 5 --=. 0
1.1--2. c
0. 5--1. c
1. 1~4. c
Neck Qi Earth Path Technique
0. 5--1. 0
1.1.~14.
0. 5--1.c
Liqigang
1-1-- 5. 0
1. 1-- 7. 0
(1.5-~1. 0
0.5~~1. 0
1.1--12.2
Neck, total number of bubbles
Note: bottom calcium refers to 1/6 of the bottle body) or 1/1 flat case product> below the body refers to 1/6 of the body (gallery product), below the neck mouth, the box body
bottom side less than 0.5m can be measured nodules, in the area of 10mm×1mm shall not exceed 2. At the same time, it should not exceed the visual pet in Table 5,
252~500
109~3000
000 ~ 20 0
4.3.5 Stone
nodule,tam
u. 5~ 0. 0
0. 5 ~ 5, D
0- 5 - 5. 0
0. 5 ~ 1. 5
0. 5~2. 0
0. 5~~ 3. 0
0. 5 ~1. 0
0. 5-- 3. 0
Neck, with joints, total effect
Considering that stones are not allowed to exist, the body shall not have more than 1 less than or equal to 0 within 10mm×10mm.3mm can be measured and should not exceed the provisions of 6:
25-·109
250--505
100C3.000
4 000-5 000
150G~-2 000
4.3.6 The length of the stone should be longer than
0. 3~2. 0
0. 3--3. 0
No strict stripes are allowed (for samples with high quality). 4.3.7 Iron pots and
should not have rust or chips. 4.3.[1 The mouth of the glass bottle should be properly melted, and the mouth height should be equal to 1.5mm. Test method 5.1 Dimensions: Use a 0.2 mm vernier caliper for measuring. 5.2 Material standard: 5.2.1 The method for continuous expansion is the same as that of Q302. 5.2.2 Water resistance: The method is the same as that of GB/T5582. 5.7.3 Image resistance: The method is the same as that of 0B/T15728.
5.2.4 Resistance to induction
Square joints shall be in accordance with GB/T80,
5.3 Internal response
Methods shall be in accordance with G3/T15726
Some straps shall be in light length
0. 3--1. 5
n.3~-2. c
0. 3~2. 5
0. 3~3. c
City, fee, total effect of stones
5.4. Appearance requirements
GB/T15725.1-1995
Use the gan measurement method, the measuring tool is a 0.02mm vernier caliper and a 10-digit reading magnification environment, the thin-skin air bubble is tested by pricking the shoe with a pin, the punctured one is the thin-skin air bubble, 6 Inspection rules
6.1 Inspection categories
Product inspection is divided into two categories: delivery inspection and type inspection, 6.2 Factory inspection (or delivery inspection)
6.2.7 Inspection items and requirements
Products shall be inspected according to the items and requirements specified in Table 7 before leaving the factory: Products that pass the inspection are allowed to leave the factory, and the products must have qualified products when leaving the factory.
Wall test items
Internal stress
Extension requirements
6. 2.2 Batch
..1
Test items
The same pair of products delivered with the same variety and specification is a batch. 6.2.3 And test method
C2826 for inspection.
6.2-4 Sample
Oiliness scheme type is - one detailed scheme.
6.2.5 Inspection level
General inspection level.
6.2.6 Basic level of qualification
Comprehensive combined quality level (AL) 6.5.6.3 Type experience
6.3.1 Inspection items and requirements
Factory process
Formal inspection
The items of the large inspection are all items of Article 3.3 and technical requirements. The test method of Chapter 5 shall be used for testing, including requirements.6.3.2 When one of the following conditions occurs, the type control shall be carried out for the trial production of new products or the conversion of old products: b.||tt| |When the product is in formal production, if the characteristics, materials, and technology have significant changes, which may affect the product performance! During formal production, regular inspections should be carried out after a certain amount of production has been accumulated. Type inspections should be carried out at least once a year, and the product should be put into production within three months after the factory inspection results are significantly different from the above-determined type inspections. When the quality supervision agency of the same country proposes a requirement for retroactive type inspections. 5.3.3 Rules for Drag and Line Support
All products should be randomly selected from qualified products, and the sampling policy should be implemented. =.1 For more inspection draws, the samples accepted in 5.2 are required to be prepared separately.
6. 4 Judgment rules
The items specified in Table 7 shall be inspected. If all items meet the requirements, the batch of products shall be judged to be qualified. 6
Ww7 Marking, packaging, transportation, storage
7.1 Label
7.1.1 Flask marking
CB/T15725.1--1995
The approximate volume scale can be printed on the outside of the narrow-mouthed dimensional flask, see Appendix A (reference): b.
Nominal capacity such as "10\ or "1\
Manufacturer name or trademark:
When the material of the flask cannot be identified, the material should be marked. There should be a "use age mark" on the body. 7.1.2 Packing box label
The outer packaging shall comply with the relevant provisions of the G date 191. This standard number:
Product name, specification quantity, net profit, gross profit. Volume: Manufacturer's registered trademark, production date:
Factory address, telephone, telegram,
7.2 For packaging
7.21 The inner packaging shall be made of paper cones, and both ends shall be marked with (product name, specification, quantity). The packaging quantity shall be a multiple of ten. Paper, foam plastic and other block fillers shall not be used.
7.22 The outer packaging shall be made of cartons, and the sum of length, width and millimeters shall not exceed 1.5m (it must be rectangular). The outer edge of the packaging shall be sealed, the packaging book shall be in the shape of parallel characters, and the packaging shall comply with the provisions of transportation.
7.3
This product can be transported by any auxiliary tools. Do not throw it during loading and unloading. It should be transported in rainy season. 7.4 Storage
The product should be stored indoors after packaging. The wall oil layer should not exceed ten layers. It is strictly forbidden to rub with strong, strong alkali and strong chemicals. WwGB/T15725.1-1995
Narrow-mouthed flask approximate volume division table
(reference)
Narrow-mouthed flask approximate volume division table is shown in Table A1: Table A1
Additional remarks:
This standard is proposed by China Light Industry General Association. The highest standard is issued by the National Technical Committee for Standardization of Glass Instruments 1. This standard was drafted by Beijing Huoli Instrument Factory, with contributions from Chongtianze Instrument Factory, Shanghai Asia Pacific Technical Co., Ltd. and Anchuanci Instrument Factory. The main contributors of this standard are Liu Jiayan, Zheng Lidu, Ji Tingzhen, Chen Huilin and Shi Ning.2-4 Sample
Oiliness scheme type is - detailed scheme.
6.2.5 Inspection level
General inspection level.
6.2.6 Qualified basic level
Comprehensive extrusion quality level (AL) 6.5.6.3 Type experience
6.3.1 Inspection items and requirements
Factory cavity process
Formal inspection
The items of the large inspection are all items of Article 3.3 and technical requirements. The test method of Chapter 5 is used for testing, which should include requirements.6.3.2 When one of the following situations occurs, the type control is carried out for the trial production of new products or old products: b.||tt| |When the product is in formal production, if the characteristics, materials, and technology have significant changes, which may affect the product performance! During formal production, regular inspections should be carried out after a certain amount of production has been accumulated. Type inspections should be carried out at least once a year, and the product should be put into production within three months after the factory inspection results are significantly different from the above-determined type inspections. When the quality supervision agency of the same country proposes a requirement for retroactive type inspections. 5.3.3 Rules for Drag and Line Support
All products should be randomly selected from qualified products, and the sampling policy should be implemented. =.1 For more inspection draws, the samples accepted in 5.2 are required to be prepared separately.
6. 4 Judgment rules
The items specified in Table 7 shall be inspected. If all items meet the requirements, the batch of products shall be judged to be qualified. 6
Ww7 Marking, packaging, transportation, storage
7.1 Label
7.1.1 Flask marking
CB/T15725.1--1995
The approximate volume scale can be printed on the outside of the narrow-mouthed dimensional flask, see Appendix A (reference): b.
Nominal capacity such as "10\ or "1\
Manufacturer name or trademark:
When the material of the flask cannot be identified, the material should be marked. There should be a "use age mark" on the body. 7.1.2 Packing box label
The outer packaging shall comply with the relevant provisions of the G date 191. This standard number:
Product name, specification quantity, net profit, gross profit. Volume: Manufacturer's registered trademark, production date:
Factory address, telephone, telegram,
7.2 For packaging
7.21 The inner packaging shall be made of paper cones, and both ends shall be marked with (product name, specification, quantity). The packaging quantity shall be a multiple of ten. Paper, foam plastic and other block fillers shall not be used.
7.22 The outer packaging shall be made of cartons, and the sum of length, width and millimeters shall not exceed 1.5m (it must be rectangular). The outer edge of the packaging shall be sealed, the packaging book shall be in the shape of parallel characters, and the packaging shall comply with the provisions of transportation.
7.3
This product can be transported by any auxiliary tools. Do not throw it during loading and unloading. It should be transported in rainy season. 7.4 Storage
The product should be stored indoors after packaging. The wall oil layer should not exceed ten layers. It is strictly forbidden to rub with strong, strong alkali and strong chemicals. WwGB/T15725.1-1995
Narrow-mouthed flask approximate volume division table
(reference)
Narrow-mouthed flask approximate volume division table is shown in Table A1: Table A1
Additional remarks:
This standard is proposed by China Light Industry General Association. The highest standard is issued by the National Technical Committee for Standardization of Glass Instruments 1. This standard was drafted by Beijing Huoli Instrument Factory, with contributions from Chongtianze Instrument Factory, Shanghai Asia Pacific Technical Co., Ltd. and Anchuanci Instrument Factory. The main contributors of this standard are Liu Jiayan, Zheng Lidu, Ji Tingzhen, Chen Huilin and Shi Ning.2-4 Sample
Oiliness scheme type is - detailed scheme.
6.2.5 Inspection level
General inspection level.
6.2.6 Qualified basic level
Comprehensive extrusion quality level (AL) 6.5.6.3 Type experience
6.3.1 Inspection items and requirements
Factory cavity process
Formal inspection
The items of the large inspection are all items of Article 3.3 and technical requirements. The test method of Chapter 5 is used for testing, which should include requirements.6.3.2 When one of the following situations occurs, the type control is carried out for the trial production of new products or old products: b.||tt| |When the product is in formal production, if the characteristics, materials, and technology have significant changes, which may affect the product performance! During formal production, regular inspections should be carried out after a certain amount of production has been accumulated. Type inspections should be carried out at least once a year, and the product should be put into production within three months after the factory inspection results are significantly different from the above-determined type inspections. When the quality supervision agency of the same country proposes a requirement for retroactive type inspections. 5.3.3 Rules for Drag and Line Support
All products should be randomly selected from qualified products, and the sampling policy should be implemented. =.1 For more inspection draws, the samples accepted in 5.2 are required to be prepared separately.
6. 4 Judgment rules
The items specified in Table 7 shall be inspected. If all items meet the requirements, the batch of products shall be judged to be qualified. 6
Ww7 Marking, packaging, transportation, storage
7.1 Label
7.1.1 Flask marking
CB/T15725.1--1995
The approximate volume scale can be printed on the outside of the narrow-mouthed dimensional flask, see Appendix A (reference): b.
Nominal capacity such as "10\ or "1\
Manufacturer name or trademark:
When the material of the flask cannot be identified, the material should be marked. There should be a "use age mark" on the body. 7.1.2 Packing box label
The outer packaging shall comply with the relevant provisions of the G date 191. This standard number:
Product name, specification quantity, net profit, gross profit. Volume: Manufacturer's registered trademark, production date:
Factory address, telephone, telegram,
7.2 For packaging
7.21 The inner packaging shall be made of paper cones, and both ends shall be marked with (product name, specification, quantity). The packaging quantity shall be a multiple of ten. Paper, foam plastic and other block fillers shall not be used.
7.22 The outer packaging shall be made of cartons, and the sum of length, width and millimeters shall not exceed 1.5m (it must be rectangular). The outer edge of the packaging shall be sealed, the packaging book shall be in the shape of parallel characters, and the packaging shall comply with the provisions of transportation.
7.3
This product can be transported by any auxiliary tools. Do not throw it during loading and unloading. It should be transported in rainy season. 7.4 Storage
The product should be stored indoors after packaging. The wall oil layer should not exceed ten layers. It is strictly forbidden to rub with strong, strong alkali and strong chemicals. WwGB/T15725.1-1995
Narrow-mouthed flask approximate volume division table
(reference)bZxz.net
Narrow-mouthed flask approximate volume division table is shown in Table A1: Table A1
Additional remarks:
This standard is proposed by China Light Industry General Association. The highest standard is issued by the National Technical Committee for Standardization of Glass Instruments 1. This standard was drafted by Beijing Huoli Instrument Factory, with contributions from Chongtianze Instrument Factory, Shanghai Asia Pacific Technical Co., Ltd. and Anchuanci Instrument Factory. The main contributors of this standard are Liu Jiayan, Zheng Lidu, Ji Tingzhen, Chen Huilin and Shi Ning.
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