CATEGORIES

    GB/T 41873-2022《Plastics—Polyetheretherketone(PEEK) resin》

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    GB/T 41792-2022《Plastics—Film and sheeting—Determination of cold-crack temperature》

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    GB/T 41791-2022《Plastics—Film and sheeting—Non-oriented poly(ethylene terephthalate) (PET) sheets》

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    GB/T 39693.8-2022《Rubber,vulcanized or thermoplastic—Determination of hardness—Part 8:Apparent hardness of rubber-covered rollers by Pusey and Jones method》

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    GB/T 39693.7-2022《Rubber,vulcanized or thermoplastic—Determination of hardness—Part 7:Apparent hardness of rubber-covered rollers by Shore-type durometer method》

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    GB/T 41931-2022《Plastics/rubber—Polymer dispersions and synthetic rubber latices—Freeze-thaw cycle stability test》

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    GB/T 41929-2022《Plastics—Epoxy resins—Test methods》

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    GB/T 2406.3-2022《Plastics—Determination of burning behaviour by oxygen index—Part 3: Elevated-temperature test》

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    GB/T 41934-2022《Plastics—Vertical flame spread determination for film and sheet》

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    GB/T 41942-2022《Rubber, raw natural, and rubber latex, natural—Determination of nitrogen content—Micro Dumas combustion method》

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    GB/T 42122-2022《Rubber,vulcanized or thermoplastic—Determination of abrasion resistance（the method of Improved Lambourn test machine）》

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    GB/T 14796-2023《Raw natural rubber—Colour index test》

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    GB/T 8291-2023《Rubber latex—Determination of coagulum content (sieve residue)》

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    GB/T 7139-2023《Plastics—Vinyl chloride homopolymers and copolymers—Determination of chlorine content》

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    GB/T 42790-2023《Acrylic ester / vinyl chloride graft co-polymer resin》

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    GB/T 42917-2023《Polyvinyl chloride resin for matt products》

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    GB/T 3780.30-2023《Carbon black—Part 30：Determination of high temperature volatile matter—Thermogravimetry method》

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    GB/T 43085-2023《Plastics—Polymer dispersions—Determination of the content of free formaldehyde》

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    GB/T 43113-2023《Standard practices for evaluating the hydrothermal resistance of carbon fiber reinforced polymer composites》

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    GB/T 43086-2023《Plastics—Polymer dispersions—Determination of sieve residue》

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    GB/T 43316.6-2023《Plastics—Determination of resistance to environmental stress cracking (ESC)—Part 6: Slow strain rate method》

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    GB/T 43316.5-2023《Plastics—Determination of resistance to environmental stress cracking (ESC)—Part 5: Constant tensile deformation method》

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    GB/T 43316.4-2023《Plastics—Determination of resistance to environmental stress cracking (ESC)—Part 4: Ball or pin impression method》

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    GB/T 43316.3-2023《Plastics—Determination of resistance to environmental stress cracking (ESC)—Part 3: Bent strip method》

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    GB/T 43316.2-2023《Plastics—Determination of resistance to environmental stress cracking (ESC)—Part 2: Constant tensile load method》

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    GB/T 43316.1-2023《Plastics—Determination of resistance to environmental stress cracking (ESC)—Part 1: General guidance》

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    GB/T 43251-2023《Nanotechnologies—Test method for tensile properties of small size nanostructured thin film》

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    GB/T 43747-2024《Evaluation of Sealant Adhesion - Adhesive Strip Peel Method》

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    GB/T 40006.11-2024《Plastics—Recycled Plastics—Part 11: Polyvinyl chloride（PVC）materials》

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    GB/T 44572-2024《Biaxially oriented polyethylene (BOPE) film》

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