YC/T 491-2014 Package of redried products—Inner liner bag of polyethylene film

GB/T 1040.3-2006 Plastics—Determination of tensile properties—Part 3:Test conditions for films and sheets GB/T 2918-1998 Plastics—Standard atmospheres for conditioning and testing GB/T 2918-2018 Plastics—Standard atmospheres for conditioning and testing GB/T 5009.60-2003 Method for analysis of hygienic standard of products of polyethylene, polystyrene and polypropyrene for food packaging GB/T 6672-2001 Plastics film and sheeting—Determination of thickness by mechanical scanning GB/T 8170-1987 Rules for rounding off of numberical values GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values GB 9685-1994 Hygienic standard for adjuvants and processing aids in food containers and packing materials GB 9685-2003 Hygienic standard for adjuvants and processing aids in food containers and packaging materials GB 9685-2008 Hygienic standards for uses of additives in food containers and packaging materials GB 9685-2016 Food Safety National Standards for Additives Used in Food Contact Materials and Products Standard QB/T 2358-1998 Plastic film packaging bag heat seal strength testing method