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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 2941-2025
Rubber—General procedures for preparing and conditioning test pieces for physical test methods
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
GB/T 12008.7-2025
Plastics—Polyether polyols for use in the production of polyurethane—Part 7:Determination of basicity
GB/T 32456-2025
General technical specification for energy saving heating system of rubber and plastics machines
GB/T 32366-2025
Biodegradable poly(butylene adipate terephthalate) （PBAT）
GB/T 45478-2025
General requirement for grading label of motor vehicle tyres
GB/T 13460-2025
Reclaimed rubber—General specification
GB/T 45481-2025
Silicone rubber compounds—Application for medical catheters
GB/T 45476-2025
Safety requirements for plastics blow moulding machines
GB/T 33798-2025
Bio-polyester drum-linkage bags
GB/T 33796-2025
General technical requirement of thermoplastic starch
GB/T 45467-2025
Fiber reinforced polymer composite tubes for confining concrete
GB/T 15340-2025
Rubber, raw natural and raw synthetic—Sampling and further preparative procedures
GB/T 45441-2025
Greenhouse gases—Quantification methods and requirements of carbon footprint of products—Plastic products
GB/T 45336-2025
Plastics—Determination of drawing characteristics of thermoplastics in the molten state
GB/T 45331-2025
ePTFE membrane for reinforcement of proton exchange membrane
GB/T 45332-2025
Proton exchange membrane for hydrogen production via water electrolysis