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GB/T 46197.2-2025
Plastics—Polyetheretherketone（PEEK）moulding and extrusion materials—Part 2: Preparation of test specimens and determination of properties
GB/T 42918.3-2025
Plastics—Thermoplastic polyurethanes for moulding and extrusion—Part 3：Test method for distinction between ether and ester polyurethanes
GB/T 9347-2025
Determination of vinyl acetate content in vinyl chloride-vinyl acetate copolymers
GB/T 14520-2025
Determination of the residual styrene monomer content as well as the content of other volatile aromatic hydrocarbons in the unsaturated polyester resin-based reinforced plastics—Gas chromatography
GB/T 46020.2-2025
Plastics—Guide of design for recycling—Part 2:High density polyethylene(PE-HD) materials
GB/T 46020.1-2025
Plastics—Guide of design for recycling—Part 1: Poly(ethylene terephthlate) （PET）materials
GB/T 46019.2-2025
Plastics—Identification of recycled plastics—Part 2: Polypropylene(PP) materials
GB/T 46018.2-2025
Plastics—Technical specification for evaluation of recycled plastic products—Part 2 ：Polystyrene(PS) materials
GB/T 46018.1-2025
Plastics—Technical specification for evaluation of recycled plastic products—Part 1:Poly(ethylene terephthalate) (PET) materials
GB/T 40006.13-2025
Plastics—Recycled plastics—Part 13: Poly(pheylene ether) (PPE) materials
GB/T 46043-2025
Plastics—Recycled plastics—Guidance for traceability and assessment of environmental aspect
GB/T 46019.1-2025
Plastics—Identification of recycled plastics—Part 1: Poly(ethylene terephthalate) (PET) materials
GB/T 40006.4-2025
Plastics—Recycled plastics—Part 4: Mixtures of polyolefin(MPO) materials
GB/T 44825-2024
GB/T 44826-2024
GB/T 45694-2025
Test methods for natural fibre-reinforced plastic composite (NFC) deck boards
GB/T 19277.1-2025
Determination of the ultimate aerobic biodegradability of plastic materials under conctrolled composting conditions—Method by analysis of evolved cabon dioxide—Part 1:General method
GB/T 45475.2-2025
Plastics—Poly(phenylene ether) (PPE) moulding and extrusion materials—Part 2: Preparation of test specimen and determination of properties
GB/T 45475.1-2025
Plastics—Poly(phenylene ether)（PPE） moulding and extrusion materials—Part 1:Designation system and basis for specifications
GB/T 1040.1-2025
Plastics—Determination of tensile properties—Part 1: General principles