GB/T 40006.2-2021 Plastics—Recycled plastics—Part 2:Polyethylene(PE) materials

GB/T 40006.1-2021 Plastics—Recycled plastic—Part 1:General rules GB/T 40006.3-2021 Plastics—Recycled plastics—Part 3:Polypropylene(PP) materials GB/T 40006.5-2021 Plastics—Recycled plastics—Part 5:Acrylonitrile-butadiene-styrene (ABS) materials GB/T 40006.6-2021 Plastics—Recycled plastics—Part 6:Polystyrene(PS)and impact-resistant polystyrene(PS-I) materials GB/T 40006.7-2021 Plastics—Recycled plastics—Part 7:Polycarbonate(PC) materials GB/T 40006.8-2021 Plastics—Recycled plastics—Part 8:Polyamide (PA) materials GB/T 40006.9-2021 Plastics—Recycled plastics—Part 9:Poly (ethylene terephthalate) (PET) materials

GB/T 1845.2-2006 Plastics—Polyethylene(PE) moulding and extrusion materials—Part 2:Preparation of test specimens and determination of properties GB/T 9345.1-2008 Plastics—Determination of ash—Part 1:General methods GB/T 17037.1-2019 Plastics—Injection moulding of test specimens of thermoplastic materials—Part 1:General principles,and moulding of multipurpose and bar test specimens GB/T 39690.1-2020 Plastics—Mixtures of polypropylene (PP) and polyethylene (PE) recyclate derived from PP and PE used for flexible and rigid consumer packaging—Part 1:Designation system and basis for specification GB/T 40006.1-2021 Plastics—Recycled plastic—Part 1:General rules 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 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 2035-1996 Terms and definitions for plastics GB/T 2035-2008 Terms and definitions for plastics GB/T 2035-2024 Plastics—Vocabulary GB/T 2547-1981 Plastic resins—Sampling GB/T 2547-2008 Plastic resins—Sampling GB/T 2918-1998 Plastics—Standard atmospheres for conditioning and testing GB/T 2918-2018 Plastics—Standard atmospheres for conditioning and testing 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 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/T 19466.3-2004 Plastics—Differential scanning calorimetry(DSC)—Part 3:Determination of temperature and enthalpy of melting and crystallization GB/T 19466.6-2009 Plastics—Differential scanning calorimetry(DSC)—Part 6:Determination of oxidation induction time(isothermal OIT)and oxidation induction temperature(dynamic OIT) GB/T 30102-2013 Plastics—Guidelines for the recovery and recycling of plastics waste GB/T 30102-2024 Guidelines for the recovery and recycling of plastics waste GB/T 37426-2019 Plastics—Test specimens SH/T 1541.1-2019 Plastic particle appearance test method - Part 1: Visual method SH/T 1770-2010 Determination of moisture content in polyethylene plastic GB/T 19466.3-2025 Plastics—Differential scanning calorimetry(DSC) method—Part 3:Determination of temperature and enthalpy of melting and crystallization