GB/T 34849-2017 "Biaxially oriented polystyrene heat shrinkable film"

This standard specifies the classification, specifications, requirements, test methods, inspection rules, marking, Encasement, transportation and storage of biaxially stretched polystyrene thermal cissing films. It is applicable to films with thermal cissing performance made of polystyrene Resin as the main raw material, extruded by flat film method and biaxially stretched. It is not applicable to films that directly contact food. This standard provides technical support for the production and mass testing of related film products.

This summary is not the original standard text and is for reference only. For accurate information, please obtain it through official channels.