Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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GB/T 8297-2017 Rubber, natural latex concentrate―Determination of KOH number 225.0 via email in 1~3 business day to be valid
GB/T 9578-2011 Industry reference carbon black 4# 170.0 via email in 1~3 business day valid
GB/T 3780.5-2008 Carbon black - Part 5:Determination of specific surface area-CTAB test method 100.0 via email in 1 business day to be superseded
GB/T 10722-2003 Carbon black - Determination of total and external surface area by nitrogen adsorption 135.0 via email in 1~3 business day superseded
GB/T 14853.2-1993 15.0 via email in 1~3 business day abolished
GB/T 9579-2006 Rubber compounding ingredients - Carbon black - Method of evaluation in styrene-butadiene rubbers 60.0 via email in 1~3 business day valid
GB/T 8088-1999 Rubber,raw natural and rubber latex,natural-Determination of nitrogen content 165.0 via email in 1~3 business day abolished
GB/T 8657-2014 Styrene-butadiene rubber, raw―Determination of soap and organic-acid content 150.0 via email in 1~3 business day valid
HG/T 2626-1994 Determination of Viscosity Number of Casting Methymethacrylate Crosspolymer and Copolymer Dilute Solution 90.0 via email in 1~3 business day valid
GB/T 12828-1991 Rubber, raw and unvulcanized compounded-Determination of plasticity number and recovery number-Parallel plate method 45.0 via email in 1~3 business day abolished
NY/T 925-2013 Raw natural rubber—Technical code for production of technically specified rubber from whole field latex(SCR WF) 90.0 via email in 1~3 business day valid
GB/T 3780.2-2007 Carbon black - Part 2:Determination of oil absorption number 120.0 via email in 1 business day to be superseded
GB/T 3780.1-2006 Carbon black - Part 1: Test method for iodine adsorption number 120.0 via email in 1 business day abolished
YB/T 5176-1993 Test method for feedstock oil for carbon black - Determination of potassium and sodium (flame photometer method) 60.0 via email in 1~3 business day abolished
GB/T 7050-2003 Colour carbon black―Determination of tinting strength 90.0 via email in 1~3 business day abolished
GB/T 13460-2008 Reclaimed rubbers 195.0 via email in 1~3 business day superseded
GB/T 3781.5-2006 Acetylene black - Part 5: Determination of grit content 60.0 via email in 1~3 business day valid
GB 8296-1987 Natural rubber latex; Determination of manganese content; Potassium periodate photometric method 30.0 via email in 1~3 business day abolished
GB/T 7047-2006 Colour black―Determination of volatile content 45.0 via email in 1~3 business day valid
GB/T 12009.5-2016 Plastics―Aromatic isocyanates for use in the production of polyurethane―Part 5:Determination of acidity 150.0 via email in 1~3 business day valid
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