QB/T 1878-1993 Packaging and decoration of tinned (chrome) steel sheets for canning products QB/T1878-1993 Standard download decompression password: www.bzxz.net

Industry Standard of the People's Republic of China
Packaging and Decoration Tin (Chromium) Thin Steel Plate Can Product Subject Content and Applicable Scope
26 1878-93
This standard specifies the technical requirements, test methods, inspection rules and marking, packaging, transportation and storage of packaging containers made of tin (chromium) thin steel plate printed products. This standard is applicable to packaging containers made of tin (chromium) steel plate printed products (excluding food and beverage containers that can meet commercial sterility requirements after dense irradiation), used for packaging of dry food, beverages, chemicals, medicines and other products, and also applicable to packaging containers made of printed tin (chromium) steel plates. 2 Reference standards
GB2520 Electroplated tin steel sheet and strip
QB1877 Packaging of tin (chrome) plated steel sheet printed matter 3 Terminology
3.1 Main parts
The parts of the printed surface that reflect the above pattern, text, mark and bar code. 3.2 Slight scratches
The printed surface shall not be scratched with a size of mm×20mm without revealing any scratch marks. Material quality requirements
The thickness of the electroplated tin steel sheet is 0.18~0.4mm, and other properties meet the requirements of G2520. 4.7
The thickness of the lead-plated steel sheet is 0.18~0.36mm, and the hardness value HR30T is 50~68. Technical requirements
Surface scratches
The main parts shall be free of scratches, and minor scratches of no more than 8 are allowed on the secondary parts. 5.2 Sealingbzxz.net
The curling edge is smooth, tight and even. The corners of the square edge are allowed to have visible teeth. 5.3 Seams
5.3.7 The surface of the joint has no obvious indentation, no cracks, and the ink layer does not fall off. The interface is tight, and the error between the two interfaces is not more than 0.5mm.
5.3.2 Resistance explosion
The welding is firm, the welding points are even, there is no welding, no pre-rate, the surface is smooth and there are no spots. The Ministry of Light Industry of the People's Republic of China issued on January 13, 1983 and implemented on July 1, 1994
5.4 The inner and outer curling edges are smooth, tight and not cracked, and the ink layer does not fall off. 5.5 The inner and outer edges are matched with the body
The buckle is moderately tight and easy to buckle and open.
5.B Rib line
QB -1878-93
Rib line is complete, connected, smooth transition, no obvious connection marks, no cracks. No falling off.
5.7 Concave and convex pattern
Flat with the upper mouth of the body
The outline is clear and full, no cracks, the ink does not fall off, and it is aligned with the printed pattern. The error of the main part is not more than 0.3mm, and the error of the secondary part is not more than 0.5mm
5.8 Body distortion
There is no obvious distortion at each corner of the square and special-shaped cans. 5.9 Bottom cover unevenness
Flat, the allowable error is shown in Table 1.
Diagonal length of bottom cover
Unevenness
Leakage rate
Not more than
Not more than 8%
6 Test method
Sensory index
101～200
Use the back-test method, place the sample under a 40W light, and measure it visually 500mm away from the product. 6.2 Specifications and dimensions
Measure with a vernier caliper
6.3 The fit between the inner and outer covers
Appropriate tightness, according to user requirements.
6.4 Unevenness of bottom cover
Place the test piece on a flat surface, and use a table ruler to measure the maximum height of the raised part of the bottom edge from the surface. 6.5 Leakage test
Fill the container with 0.02MPa compressed air, and fill it with water. If there is no bubble, it is qualified. 7 Inspection rules
The number of shipments is a batch, and one can is a unit product. 7.1 Delivery inspection
CB 1878-93
Carry out inspections according to the technical requirements of 5.1, 5.3.1, 5.7, 5.9, and 5.10. Appearance (5.1,
7.1.2 Sampling plan
5.5, 5.8)
5.3, 5.1,
Class B non-conformity
Class B non-conformity
Normal secondary sampling plan of GB2828. The inspection level adopts S-4, and the qualified quality level: Class B unqualified AQL=2.5, Class C unqualified AQL=6.5 (unqualified double points are shown in Table 2). 7.1.3
See the judgment rules in Figure 3.
Batch sample number
1200~10000
1001~35000
35001 or more
7.2 Type inspection
Section 1.
Product size
7.2.1 When one of the following situations occurs, type inspection should be carried out. Accumulated sample size
. Trial type identification of new products or old products transferred to the factory: Class B unqualified
h, after formal production. If the results are that the materials and processes have changed significantly, which may affect the performance of the product:. When the normal production is stopped, or after a certain amount of production is accumulated, a periodic inspection shall be carried out; d. When the product is stopped for a long time and then resumed: When the inspection result is significantly different from the last type inspection! f. When the national quality supervision organization proposes to conduct a retrospective type inspection 7.2.2 The type inspection shall be carried out in accordance with all the items required by the sixth requirement of this standard 7.2.3 Sampling plan and rules: see 7.1.2, 7.1.3, 8 Marking, packaging, transportation, storage
C type non-conformity
QB1878-93
8.1.1 The surface of the packaging box shall be printed with the product name, specification, quantity, external dimensions of the packaging, weight, manufacturer, and ex-factory date.
8.1.2 The "Handle with care" mark shall be marked.
8.2 Packaging
The packaging method and specifications shall be determined according to user requirements. 8.3 Transportation
When transporting, the products should be lightly loaded and carefully tied to prevent collision, rain, exposure and pollution. 8.4 Storage
From the date of leaving the factory, the storage period is 1 month. The storage room should be ventilated, dry and clean. Heavy pressure is strictly prohibited. Additional remarks:
This standard is proposed by the Quality Standards Department of the Ministry of Light Industry. This standard is approved by the National Light Industry Packaging Standard Promotion Center. The drafting unit of this standard: Tianjin Iron Printing Co., Ltd. The main drafters of this standard: Li Shudang, Han Tao, Tang Baozi. From the date of implementation of this standard, the former professional standard ZBA82002-86 "Packaging and decoration of tinplate products" of the Ministry of Light Industry of the People's Republic of China will be invalid.
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