GB/T 15267-1994Rigid polyvinyl chloride sheet and film for foodstuff packing (English PDF)

1 Subject content and scope of application

This standard specifies the technical requirements, test methods, inspection rules and marking, packaging, transportation, storage of polyvinyl chloride rigid sheets and films (hereinafter referred to as sheets and films) for food packaging.

This standard applies to sheets and films made by calendaring or extrusion using sanitary polyvinyl chloride resin as the main raw material, adding various additives that meet sanitary requirements.

2 Normative references

GB 1037 Test method for water vapor transmission of plastic film and sheet - Cup method GB 2410 Transparent plastics - Transmissivity and haze test GB 2828 Sampling procedures and tables for lot-by-lot inspection by attributes (Apply to inspection of successive lots or batches) GB 2918 Standard atmospheres for conditioning and testing of plastic specimens GB 5009.60 Method for analysis of hygienic standard of products of polyethylene, polystyrene and polypropylene for food packaging GB 5009.67 Method for analysis of hygienic standard of product of polyvinyl chloride for food packaging GB 6672 Determination of thickness of plastic film and sheeting by mechanical scanning GB 6673 Plastics - Film and sheeting - Determination of length and width GB 9681 Hygienic standard of products of polyvinyl chloride for food packaging GB 13022 Plastics - Determination of tensile properties of films GB/T 15043 Methods for measuring electrical and luminous parameters of incandescent lamps calculate the extension & shrinkage in the length direction and width direction.

Where.

S - Extension & shrinkage after heating, %;

L1 - Distance between the mark points before heating, mm;

L2 - Distance between the mark points after heating, mm.