Some standard content:
ICS_55.100
National Standard of the People's Republic of China
GB/T 9106--2001
Packaging containers
Aluminum easy openend and two-piece can
Promulgated on December 4, 2001
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
Implementation on April 1, 2002
GB/T 9106—2001
This standard is the second revision of GB 9106 "Packaging containers-Aluminum easy openend and two-piece can". During the revision, the applicable content in GB9106·1994 was retained, and the following modifications were made according to actual conditions: 209. Type specifications were eliminated in the standard.
Type 206 retains the original 355mL specification and adds four new specifications in Table 1: 250mL, 275mL, 330ml and 600ml. :
The steel tank is added to the body part.
Due to the addition of the steel tank, the physical properties of the steel pulp in Table 3 are increased accordingly. The axial bearing pressure in Table 3 is changed from the original 1.25kV to 1.00kN. -—The dry film mass of the sealing glue in Table 5 is changed from the original 35mg~60mg to 25mg~50mg. A new coating quality inspection item is added to Table 7, and the AQL value of the easy-open lid sealing is changed from the original 0.65 to 2.5. Table 8 is added to the secondary sampling plan for positive belt inspection. Article 7.5 "90 days if the user does not raise an objection, it is deemed to be accepted" is changed to "30 days if the user does not raise an objection, it is deemed to be accepted" Chapter 11 The storage period is changed from 6 months to 9 months. This standard is proposed by China Packaging Corporation. This standard is under the jurisdiction of the Metal Container Sub-Technical Committee of the National Packaging Standardization Technical Committee. The responsible drafting unit of this standard: National Packaging Product Quality Supervision and Inspection Center (Guangzhou) Sanshui Jianlibao Fute Container Co., Ltd. The participating drafting units of this standard: Shenzhen Meite Container Co., Ltd., East China United Can Co., Ltd., Zhuhai Futeboer Container Co., Ltd., Beijing Euro Pacific Co., Ltd. The main drafters of this standard are Zhu Liping, Zhou Jinchang, Luo Bei, Tang Jiangang, Li Yuanyang, Zhao Hua, and Liu Quansheng. The previous versions of the standards replaced by this standard are: GB 9106--1988.CB 9106---1994. 1 Scope
Packaging containers
Aluminum two-piece cans with easy-open ends
GB/T9106-2001
This standard specifies the main technical requirements, test methods, inspection rules and marking, packaging, transportation and storage of aluminum two-piece cans with easy-open ends. This standard applies to the manufacture, use, circulation and supervision inspection of unused aluminum two-piece cans with easy-open ends for beer, carbonated and nitrogen-filled soft drinks.
Normative references
The following documents are used by The references in this standard become the clauses of this standard. For all dated referenced documents, all subsequent amendments (excluding errata) or revisions are not applicable to this part. However, parties that reach an agreement based on this part are encouraged to study whether the latest versions of these documents can be used. For all undated referenced documents, the latest versions are applicable to this part. The counting sampling procedures and sampling tables for batch inspection (applicable to the inspection of continuous batches) GB/T2828
Hygienic standard for water-based modified epoxy can inner wall coating GB11677
GB/T13040
Terms and symbols
Packaging terms Metal containers
1Terms should comply with the provisions of GB/T13040. 3.1
3.2 Symbols
Neck-flange can body!
Outer diameter of can body
Neck-flange inner diameter
Can body height
Flange width
Aluminum easy-open lid
Hook edge outer diameter
Heading degree
Hook edge height
Hook edge opening
Every 50 .80mm Number of overlapping hook edges of the lid
4 Classification of aluminum two-piece cans with easy-open lids
4.1 Aluminum two-piece cans with easy-open lids are classified into 206/211×310 (250mL), 206/211×314 (275mL), 206/211×408 (330mL), 206/211×413 (355mL), and 206/211×610 (500mL) according to specifications. 4.2 Can bodies are divided into steel cans and aluminum cans according to materials. 4.3 Aluminum easy-open lids are divided into pull-ring type and sheet-retaining type easy-open lids, see Figure 1. GB/T 9106—2001
4.4 Structural dimensions
a) Ring pull type
Figure 1 Drawing of the cover
b) Sheet-retaining type
4.4.1 The main dimensions and limit deviations of the necked and flanged cover shall comply with the provisions of Figure 2 and Table 1. D
National 2 Main dimensions of the body
Table 1 Main dimensions of the can body
Body height
Outer diameter of the can
Inner diameter of the neck
Flanging depth
1) Tool guarantee dimensions.
Nominal dimensions
The main dimensions and limit deviations of the easy-open cover shall comply with the provisions of Figure 3 and Table 2. 355mL
Unit: mm
Limit deviation
Hook outer diameter
Drug edge opening
Countersink
Breast edge height
Number of overlaps per 50.80 blue hook edges
5 Technical requirements
5.1 Basic requirements
Figure 3 shows the main dimensions
Main dimensions of capsule 2
Nominal feet
5.1.1 The product shall comply with the requirements of this standard and be manufactured in accordance with the drawings and technical documents approved in the prescribed procedures. 5.1.2 The product must meet the hygiene requirements of GB11677 before leaving the factory. GB/T 9106—2001
Unit: mm
Limit deviation
±0,25
5.1.3 Depending on the filling content of the product, the physical and chemical performance requirements of the inner coating and sealant vary. The manufacturer should provide samples for avoidance testing and obtain confirmation.
5.2 Neck-reduced and flanged can body
5.2.1 The physical properties of the can body shall comply with the requirements of Table 3. Table 3 Physical properties of the body
Axial system pressure/kN
Compressive strength/kPa
Inner coating integrity/mA
5.2.2 Coating quality requirements
Beer can body
Soft drink can body
Single≤25, average≤3
Single≤25, average3
Performance index
Single≤75, average≤50
Single≤30, average≤B
The coating inside and outside the can body must adhere well. After pasteurization, there shall be no defects such as falling off, discoloration and blistering. 5.2.3 Appearance quality requirements
5. 2. 3. 1
5. 2. 3. 2
The pattern and color of the product shall be determined by negotiation between the supply and demand parties. See Table 4 for the appearance quality requirements.
Table 4 Appearance quality requirements for can bodies
Unqualified categories
Class A unqualified
Class B unqualified
Class C unqualified
Defect content
Impurities in the inner coating, obvious oil stains or other objects, pinholes in the can, damage to the inner coating caused by bending and dents on the can body, missing or dented flange, incomplete flange, cracked flange, burrs on the flange, droplets and spots on the inner wall, the inner coating on the bottom has a gas pattern greater than 1mm, the bottom is deformed and bent, or the length of the dent is greater than 11 mm and does not cause damage to the inner coating, shrinkage wrinkles, inner coating marks, slight misalignment of the printed package, uneven printing color and gloss, small scratches, slight differences between the printing color and the color plate, slight folding of the shrinkage neck, and slight damage to the bottom metal AQL
GB/T91062001
5.3 Easy to open lid
5.3.1 The physical properties of the easy to open lid shall comply with the requirements of Table 5. Table 5
Item name
Compressive strength/kPa
Sealing
Inner coating integrity /mA
Breaking force/N
Full opening force/N
Opening reliability
Mass of sealing glue and film/mg
5.3.2 Coating quality requirements
Physical properties of easy-open caps
Beer caps
Soft drink caps
Performance index
≥610
Leakage is not allowed
Single≤75, average≤50
Single≤30, average≤8
≤31.Average ≤20
45, average ≤36
The pull ring (piece) does not fall off when opened and is fully opened 2550
The inner and outer coatings adhere well and there shall be no defects such as falling off, discoloration and blistering after pasteurization. 5.3.3 Appearance quality requirements
Appearance quality requirements are shown in Table 6
Table 6 Appearance quality requirements for easy-open ends
Easy-open ends
Unqualified categories
Class A unqualified
Class B unqualified
Class C unqualified
6 Test methods
6.1 Appearance inspection
Use visual inspection under natural light
6.2 Dimension inspection
Defect content
Damage, obvious oil stain or pollution on the inside of the cover, no sealing glue applied, peeling or shedding of the coating, serious wrinkles on the hook edge, no pull ring (piece)
Sealing glue adhesion, partial missing coating with a diameter greater than 2mm, obvious hook edge deformation, scratches and abrasions on the inner and outer coatings but no exposed metal, slight wrinkles and deformation of the hook edge, uneven overlapping of sealing glue
Inspect at a distance of 60cm with normal vision.
Measure with a special or general measuring instrument, the minimum reading value of the measuring instrument (instrument) shall not exceed 0.01mm. 6.3 Integrity test of internal coating film in tank
Use an internal coating film integrity tester with a minimum reading value of no more than 0.4mA, add electrolyte into the tank, the liquid level is 3mm from the tank mouth, and read the current value in the 4th second.
The electrolyte for aluminum cans is 1% sodium chloride aqueous solution, and the electrolyte for steel cans is 2% sodium sulfate aqueous solution. 6.4 Tank body pressure resistance test
Use a tank bottom pressure resistance tester with a minimum reading value of no more than 1kPa, and read the maximum reading value of the tank bottom deformation. 6.5 Axial bearing pressure test of tank body
Use an axial bearing pressure tester for tank body with a minimum reading value of no more than 10N, and read the maximum reading value of the tank body deformation. 6.6 Breaking force and full opening force test of easy-open end
6.6.1 Use a breaking force/full opening force tester with a minimum reading value not greater than 1N, and the full stroke time of the instrument is 155. 6.6.2 Pull ring type breaking force and full opening force test Place the easy-open end on the measuring bracket, and fix the bracket at a backward tilt of 30 (i.e. 60° to the horizontal), and read the readings at the moment the cover is opened and when the pull ring tongue is completely torn off the cover body. 6.6.3 Breaking force and full opening force test of the retaining piece type Place the easy-open end on a horizontally placed bracket, and the bracket is 60° to the tension chain, and read the readings at the moment the cover is opened and when the tongue is fully opened according to the pre-marked line
6.7 Compression strength test of easy-open end
GB/T9106—2001
Use an easy-open end compression strength tester with a minimum reading value not greater than 1kPa, and read the reading when the cover is deformed. 6.8 Integrity test of inner coating of easy-open end
Use an inner coating integrity tester with a minimum reading value of no more than 0.1mA to test the inner coating of the cover and read the current value at the 4th second. Use 1% sodium chloride aqueous solution as electrolyte
6.9 Pasteurization test of inner and outer coating
Use a constant temperature water bath to put the sample in distilled water at a temperature of (68±2)°C. After 30 minutes of constant temperature, take it out and check whether the inner and outer coating has discoloration, bubbling, shedding, etc.
6.10 Sealing test of easy-open end
When conducting the test in 6.7, keep the test pressure at 610kPa and observe whether the sample has air leakage. 6.11 Quality of dry film of sealing glue
Use a precision balance with a sensitivity of 0.1mg, remove the pull ring of the easy-open lid, weigh it as M, then remove the sealing glue with a solvent, weigh it after drying as Mz, and the quality of dry film of sealing glue is the difference between M and M. 6.12 Opening reliability test
Open the easy-open lid by hand or with simple tools, and observe whether the pull ring (sheet) falls off and is fully opened. 7 Inspection rules
7.1 Product quality shall be inspected according to the indicators and methods specified in this standard, and sampling inspection shall be carried out according to the normal inspection secondary sampling plan in Article 48.3 of GB/T2828
7.2 Quality inspection of the manufacturer
The door shall inspect the product according to the provisions of this standard and issue a certificate of conformity. 7.3 Inspection of aluminum easy-open lid two-piece cans is divided into factory inspection and type inspection. 7.3.1 Factory inspection
Articles 4.4, 5.2.3 and 5.3.3 of this standard are factory inspection items. 7.3.2 Type inspection
7.3.2.1Article 44 and Chapter 5 (except Article 5.13) of this standard are type inspection items. Aluminum two-piece cans with easy-open lids shall be subject to type inspection in any of the following situations: a) Trial design and identification of new products or old products transferred to factory production; b) When the structure and material technology are changed, which may affect the product performance; c) Normal production, inspection every six months; d) When resuming production after long-term suspension;
e) When the factory inspection results are significantly different from the last type inspection; f) When the quality supervision agency proposes a requirement for type inspection. 7.3.2.2 Type inspection shall be conducted by sampling inspection in accordance with the provisions listed in Tables 7 and 8. Table 7 Type inspection items AOL value
Inspection items
Compressive strength
Axial bearing pressure
Inner coating integrity
Coating quality
Inspection level (IL)
Unqualified classification
Class A unqualified
Class B unqualified
Class C unqualified
Class C unqualified
Class B unqualified
Class B unqualified
Class A unqualified
Class B unqualified
Acceptable quality level (AQL)
GB/T 9106—2001
Opening lamp
Inspection level (IL)
Inspection items
Compressive strength
Sealing
Inner coating integrity
Shoulder force
Full opening force
Opening reliability
Sealing glue dry film quality
Layer quality
7 (continued)
Inspection level (IL)
Table 8 Normal inspection secondary sampling planbzxZ.net
Batch range
235 001
35 001--500 000
>500001
85 001~500 000
2500 001
Acceptable quality level (AQL)
Non-conformity classification
Class A non-conformity
Class B non-conformity
Class C non-conformity
Class C non-conformity
Class B non-conformity
Class B non-conformity
Class A non-conformity
Class B non-conformity
Class B non-conformity
Class C non-conformity
Class B non-conformity
Sample size
n= n2 - 8
n,= n2— 20
= nz= 50
Acceptable quality level (AQL)
Determination array
[A,AR..R]
[0,1,2,2]
[1,4,3,5]
[2.6.5,7]
[0.1,2.2-
[2,6,5.7]
[3.9,6,10]
Lo.3.3,4]
E3,9,6,10]
[5,12,9,13
7.4 The user has the right to conduct inspection according to the provisions listed in Table 7 and Table 8 or the order contract. If the number of unqualified products exceeds the specified number, the product can be rejected. However, the defective products are allowed to be removed and submitted for acceptance again. The strictness remains unchanged: if they are still unqualified, the batch of products is deemed unqualified.
7.5 After the product arrives at the user, the user should immediately organize manpower to conduct a sample test on the batch of products according to the requirements of 7.3.1 to determine whether to accept it. If the user does not raise any objection within 30 days, it will be deemed to be accepted. 8 Marking
8.1 The body and the easy-to-join cover should have the manufacturer's mark. 8.2 The pallet packaging or packaging box of the product should be accompanied by a certificate of inspection. The certificate should indicate the manufacturer's name, product name, specifications, manufacturing date, batch number, quantity and inspection mark.
9 Packaging
9.1 The packaging material should be clean and dry, and no odor or dirt is allowed. 9.2 Can packaging
GB/T 9106—2001
9.2.1 The can should be packaged on a pallet. The size of the pallet is determined according to the requirements of the user and transportation. The number of cans per layer and the number of layers shall be agreed upon by both the supplier and the buyer. The layers shall be separated by neutral cardboard, tied with packing tape after the top plate is installed, and then wrapped with plastic film. 9.2.2 The pre-board and pallet shall be made of wood or other suitable materials. 9.3 Easy-open lid packaging
9.3.1 Easy-open covers are packed in neutral packaging paper bags or equivalent materials. It is not allowed to seal bags with staples or nails. 9.3.2 After the easy-open covers are packed in bags, they are packed in packaging boxes or pallets. Other reliable methods of packaging are also available. 10 Transportation
10.1 The means of transport should be clean and dry. No odor or pollution is allowed. When transported in containers or other methods, rain, exposure, moisture, pollution and damage should be avoided. 10.2 Other requirements for transportation shall be implemented in accordance with relevant regulations. 11 Storage
The product should be stored in a dry, ventilated and sterilized warehouse. There should be no dirt, damage or direct sunlight. The storage period of the product by the user should not exceed 9 months.
GB/T 9106-2001
People's Republic of China
National Standard
Packaging container aluminum fog open cover two pieces of wax
GB/T 9106--2001
Published by China Standards Press
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Combined version 880×12301/16 Printing sheet 3/4 Characters 16 Flat characters First edition July 2002 First printing July 2002 Printing number 1 2 000
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