GB/T 36941-2018 Modified polypropylene masterbatch based on straw fiber

GB/T 1033.1-2008 Plastics—Methods for determining the density of non-cellular plastics—Part 1:Immersion method,liquid pyknometer method and titration method ISO 16620-2:2015 GB/T 1040.2-2006 Plastics—Determination of tensile properties—Part 2:Test conditions for moulding and extrusion plastics GB/T 1040.2-2022 Plastics—Determination of tensile properties—Part 2:Test conditions for moulding and extrusion plastics GB/T 1844.1-1995 Symbols of plastics and resins—Part 1:Basic polymers and their special characteristics GB/T 1844.1-2008 Plastics—Symbols and abbreviated terms—Part 1:Basic polymers and their special characteristics GB/T 1844.1-2022 Plastics—Symbols and abbreviated terms—Part 1:Basic polymers and their special characteristics GB/T 1844.2-1995 Symbols of plastics and resins—Part 2:Fillers and reinforcing materials GB/T 1844.2-2008 Plastic—Symbols and abbreviated—Part 2:Fillers and reinforcing materials GB/T 1844.2-2022 Plastics—Symbols and abbreviated terms—Part 2:Fillers and reinforcing materials GB/T 3682-2000 Determination of the melt mass-flow rate (MFR) and the melt volume-flow rate (MVR) of thermoplastics GB/T 3682.1-2018 Plastics—Determination of the melt mass-flow rate(MFR)and melt volume-flow rate(MVR)of thermoplastics—Part 1:Standard method GB/T 3682.2-2018 Plastics—Determination of the melt mass-flow rate(MFR)and melt volume-flow rate(MVR)of thermoplastics—Part 2:Method for materials sensitive to time-temperature history and/or moisture GB 4806.7-2016 Food Safety National Standards for Plastic Materials and Products Used for Food Contact GB 4806.7-2023 National standard for food safety: Plastic materials and products for food contact GB/T 5009.156-2003 General principle for the determination of migration of packaging materials and their products GB 5009.156-2016 National Food Safety Standard: General Guidelines for Pretreatment Methods of Migration Test for Food Contact Materials and Products GB/T 9345.1-2008 Plastics—Determination of ash—Part 1:General methods GB/T 29649-2013 Determining the biobased content of biobased materials—Liquid scintillation counters(LSC)method GB 31604.1-2015 Food Safety National Standards General Rules for Migration Tests of Food Contact Materials and Products GB 31604.1-2023 National standard for food safety: General rules for migration tests of food contact materials and products GB/T 33047.1-2016 Plastics—Thermogravimetry(TG)of polymers—Part 1:General principles GB/T 33047.1-2025 Plastics—Thermogravimetry(TG) of polymers—Part 1:General principles