Standard No.:	GB/T 41899-2022
English Name:	General quality requirements for coated tinplate and ECCS used in food container
Chinese Name:	食品容器用涂覆镀锡或镀铬薄钢板质量通则
Chinese Classification:	A82    Packaging material and container
Professional Classification:	GB    National Standard
Issued on:	2022-11-08
Implemented on:	2023-6-1
Status:	valid
Target Language:	English
File Format:	PDF
Word Count:	9000 words
Translation Price(USD):	270.0
Delivery:	via email in 1 business day

GB/T 41899-2022 General quality requirements for coated tinplate and ECCS used in food container 1 Scope This document specifies the quality requirements, test methods, inspection rules, marking, packaging, transportation, and storage of coated tinplate and ECCS used in food containers. This document is applicable to tinplate or ECCS coated with coatings cured into films at high temperature, and used for manufacturing food containers. 2 Normative references The following documents contain requirements which, through reference in this text, constitute provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 1720-2020 Circle-drawing test of coating films GB/T 1732-2020 Determination of impact resistance of coating films GB/T 2520 Cold-reduced electrolytic tinplate GB/T 5206-2015 Paints and varnishes - Terms and definitions GB/T 6682 Water for analytical laboratory use - Specification and test methods GB/T 6739 Paints and varnishes - Determination of film hardness by pencil test GB/T 24180 Cold-reduced electrolytic chromium/chromium oxide coated steel sheet and strip YB/T 4286 Metallic material - Sheet and strip - Testing method for coefficient of friction 3 Terms and definitions For the purposes of this document, the terms and definitions given in GB/T 5206-2015 and the following apply. 3.1 intro-plate coating thickness deviation range of coating film thickness of the entire coated tinplate (or ECCS) 3.2 tin melting phenomenon of the color difference of tin metal after the melting of the tin layer of a steel sheet 3.3 burnt phenomenon of coating film gelatinization caused by high temperature 3.4 wax incorporation phenomenon of wax precipitation on the surface of the coating film 3.5 spot phenomenon where the coating film is uneven and spotted 3.6 flaking phenomenon where the coating film cracks or peels off and separates from the substrate 3.7 sticky plate phenomenon of bonding together in the process of coating and printing 3.8 dirt material other than coatings stuck to the coating film 3.9 dust contaminated phenomenon where the coated tinplate or ECCS is contaminated by dust 3.10 edge effect phenomenon where there is coating accumulation on the coating film of the plate's upper edge 3.11 curtain; runs; sags phenomenon where there is coating accumulation on the coating film of the vertical plate 3.12 missing coat phenomenon where the coating film on the steel sheet is incomplete

Foreword i 1 Scope 2 Normative references 3 Terms and definitions 4 Quality requirements 5 Test methods 6 Inspection rules 7 Marking, packaging, transportation and storage