CATEGORIES

    GB/T 19466.4-2016《Plastics—Differential scanning calorimetry （DSC）—Part 4: Determination of specific heat capacity》

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    GB/T 33101-2016《Dipped flame-resistant canvas—Test methods of burning character》

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    GB/T 3780.6-2016《Carbon black—Part 6: Determination of tinting strength》

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    GB/T 33317-2016《Plastics—Phenolic resins—Determination of hexamethylenetetramine content—Kjeldahl method,perchloric acid method and hydrochloric acid method》

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    GB/T 33501-2017《Test method for tensile property of C/C composites》

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    GB/T 33897-2017《Biopolyester—Polyhydroxyalkanoates(PHA) blowing film》

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    GB/T 6031-2017《Rubber, vulcanized or thermoplastic—Determination of hardness (hardness between 10 IRHD and 100 IRHD)》

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    GB/T 3780.17-2017《Carbon black—Part 17: Indirect determination of particle size—Reflectance method》

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    GB/T 34559-2017《Test method for compressive property of C/C composites》

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    GB/T 4498.2-2017《Rubber—Determination of ash—Part 2: Thermogravimetric analysis》

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    GB/T 34917-2017《Determination of gelation degree of unplasticized poly(vinyl chloride)(PVC-U) products—Torque rheometer method》

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    GB/T 3780.10-2017《Carbon black—Part 10: Determination of ash》

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    GB/T 34849-2017《Biaxially oriented polystyrene heat shrinkable film》

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    GB/T 34693-2017《Plastic—Chlorinated poly(vinyl chloride)resins》

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    GB/T 34694-2017《Plastic—Determination of residual chloride content of chlorinated poly (vinyl chloride)resins—Potentiometric titration method》

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    GB/T 34698-2017《Rubber compounding ingredients—Determination of water soluble substance of silica，precipitated，hydrated—Electrolytic conductivity method》

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    GB/T 3511-2018《Rubber, vulcanized or thermoplastic—Resistance to weathering》

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    GB/T 14837.3-2018《Rubber and rubber products—Determination of the composition of vulcanizates and uncured compounds by thermogravimetry—Part 3:Hydrocarbon rubbers，halogenated rubbers and polysiloxane rubbers after extraction》

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    GB/T 36363-2018《Polyolefin separator for lithium-ion battery》

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    GB/T 36878-2018《Determination of tear resistance for sealant》

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    GB/T 24131.1-2018《Rubber, raw—Determination of volatile matter content—Part 1:Hot-mill method and oven method》

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    GB/T 3781.9-2019《Acetylene black—Part 9：Determination of resistivity》

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    GB/T 38287-2019《Determination of hexavalent chromium in plastic materials》

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    GB/T 38290-2019《Determination of cadmium in plastic materials》

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    GB/T 38291-2019《Determination of lead in plastic materials》

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    GB/T 38292-2019《Determination of mercury in plastic materials》

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    GB/T 38295-2019《Limits for lead, cadmium, hexavalent chromium, mercury in plastic materials》

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    GB/T 37188.3-2019《Plastics—Acquisition and presentation of comparable multipoint data—Part 3:Environmental influences on properties》

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    GB/T 37188.1-2019《Plastics—Acquisition and presentation of comparable multipoint data—Part 1: Mechanical properties》

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    GB/T 39059-2020《Determination of harmful substance emissions from synthetic sports surfaces—Environmental chambers method》

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