CATEGORIES

    GB/T 1636-2008《Plastics - Determination of apparent density material that can be poured from a specified funnel》

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    GB/T 16582-2008《Plastics - Determination of melting behaviour (melting temperature or melting range) of semi-crystalline polymers by capillary tube and polarizing-microscope methods》

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    GB/T 1843-2008《Plastics - Determination of izod impact strength》

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    GB/T 22295-2008《Standard test method for color of transparent liquids(Gardner Color Scale)》

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    GB/T 22313-2008《Plastics - Polyols for use in the production of polyurethan - Determination of water content》

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    GB/T 15223-2008《Plastics - Liquid resins - Determination of density by the pyknometer method》

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    GB/T 11546.1-2008《Plastic - Determination of creep behaviour - Part 1: Tensile creep》

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    GB/T 1041-2008《Plastics - Detemination of compressive properties》

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    GB/T 9345.1-2008《Plastics - Determination of ash - Part 1: General　methods》

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    GB/T 23652-2009《Plastics - PVC resins - Determination of compacted apparent bulk density》

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    GB/T 24131-2009《Rubber,raw - Determination of volatile matter content》

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    GB/T 12006.2-2009《Plastics - Polyamides - Part 2: Determination of water content》

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    GB/T 12010.4-2010《Plastic - Poly(vinyl alcohol)(PVAL) materials - Part 4: Determination for pH value》

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    GB/T 12010.8-2010《Plastic - polyvinyl alcohol（PVAL）materials - Part 8: Determination for transparency》

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    GB/T 26690-2011《Acrylic coated biaxially oriented polypropylene film》

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    GB/T 26691-2011《Modified polyvinyl alcohol coated biaxially oriented film》

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    GB/T 27740-2011《Cast polypropylene(CPP) film》

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    GB/T 3681-2011《Plastics methods of exposure to direct weathering, to weathering using glass-filtered daylight, and to intensified weathering by daylight using Fresnel mirrors》

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    GB/T 7052-2012《Colour carbon black - Determination of flow characteristic》

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    GB/T 7048-2012《Colour carbon black - Determination of blackness》

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    GB/T 4497.2-2013《Rubber - Determination of total sulfur content - Part 2: Sodium peroxide fusion method》

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    GB/T 30772-2014《Phenolic resin for phenolic moulding compound》

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    GB/T 31333-2014《Dipped cords—Test methods adhesion strength》

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    GB/T 13642-2015《Rubber, vulcanized or thermoplastic—Resistance to ozone cracking—Dynamic strain testing》

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    GB/T 32364-2015《Plastics—Phenloic resins—Determination of pH》

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    GB/T 32448-2015《Determination of the heavy metal Pb, Cr, Cd, Ba, Hg, As, Se, Sb dissolved in adhesives》

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    GB/T 3780.21-2016《Carbon black—Part 21：Determination of sieve residue—Water washing method》

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    GB/T 32681-2016《Plastics—Phenolic resin —Determination of heats and temperatures of reaction by differential scanning calorimetry》

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    GB/T 33047.1-2016《Plastics—Thermogravimetry (TG) of polymers—Part 1: General principles》

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    GB/T 23656-2016《Rubber compounding ingredients—Determination of surface area for silica，precipitated，hydrated—CTAB method》

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