This standard specifies the classification, requirements, test methods, inspection rules and markings, packaging, transportation and storage of polytetrafluoroethylene turning films (hereinafter referred to as "PTFE turning films"). This standard applies to turning films made from polytetrafluoroethylene suspension resin.
QB/T 4876-2015 Referenced Document
GB/T 1033.1-2008 Plastics.Methods for determining density of non-celluar plastics.Part1:Immersion method,liquid pyknometer method and titration method
GB/T 1040.3-2006 Plastics. Determination of tensile properties. Part 3: Test conditions for films and sheets
GB/T 1408.1-2006 Electrical strength of insulating materials-Test methods-Part 1:Tests at power frequencies
GB/T 2828.1-2012 Inspection procedure by count sampling part 1: Lot by lot inspection sampling plan retrieved by acceptance quality limit (AQL)
GB/T 2918-1998 Plastics--Standard atmospheres for conditioning and testing
GB/T 6672-2001 Plastics film and sheeting Determination of thickness by mechanical scanning
GB/T 6673-2001 Plastics film and sheeting determination of length and width