QB/T 2763-2006 Coated tinplate (or ECCS)
1 Scope
This standard specifies the classification, requirements, test methods, inspection rules, marking, packaging, transportation and storage of coated tinplate (or ECCS).
This standard is applicable to tinplate (or ECCS) coated with liquid organic coatings, which are cured into films by high-temperature baking, and used for the manufacture of food and beverage containers.
2 Normative references
The following documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments (excluding corrections) to, or revisions, of any of these publications do not apply. However, parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition applies.
GB/T 2520 Cold-reduced electrolytic tinplate
GB 4805 Hygienic standard for epoxy phenolic resin coating for the internal lacquer of food cans
GB 9682 Hygienic standard for internal coating of food cans
3 Definitions
For the purposes of this standard, the following definitions apply.
3.1
intro-plate coating thickness deviation
maximum difference in film coating thickness at each specified part of the entire coated tinplate (or ECCS)
3.2
varnish
transparent organic coating made of synthetic resin
3.3
enamel
non-transparent organic coating with powder particles added to synthetic resin
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4 Classification
4.1 Classification by coating type
4.1.1 Tinplate (or ECCS) coated with varnish.
4.1.2 Tinplate (or ECCS) coated with enamel.
4.2 Classification by film coating
The coated tinplate (or ECCS) may be divided into three types: A, B, and C.
4.3 Classification by resistance
4.3.1 Acid-resistant coated tinplate (or ECCS).
4.3.2 Sulfur-resistant coated tinplate (or ECCS).
Foreword I
1 Scope
2 Normative references
3 Definitions
4 Classification
5 Requirements
6 Test methods
7 Inspection rules
8 Marking, packaging, transportation and storage
