Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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HG/T 2797.4-2007 Silica - Alumina carbon black - Part 4: Determination of pH value 90.0 via email in 1~3 business day valid
HG/T 3748-2004 Rubber compounding ingredients-silica precipitated hydrated-determination of matter soluble in water-cold extraction method 105.0 via email in 1~3 business day superseded
QB/T 4715-2014 Antibacterial Agents for Synthetic Leather 150.0 via email in 1~3 business day valid
GB/T 7050-2003 Colour carbon black―Determination of tinting strength 90.0 via email in 1~3 business day superseded
GB/T 7767-2003 Standard terminology relating to carbon black 90.0 via email in 1~3 business day superseded
GB/T 7048-2012 Colour carbon black—Determination of blackness 40.0 via email in 1~2 business day valid
HG/T 2725-2007 Standard practice for carbon black - Sampling bulk shipments 75.0 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 valid
QB/T 4132-2010 Carbon black masterbatch for the compound of polyethlene pipes for water supply via email in business day valid
GB/T 7046-2003 Colour Carbon black―Determination of dibutyl phthalate absorption number 45.0 via email in 1~3 business day superseded
HG/T 2797.6-2007 Silica - Alumina carbon black - Part 6: Determination of pour density 60.0 via email in 1~3 business day valid
GB 3778-2011 Carbon black for use in rubber products 270.0 via email in 1~3 business day valid
HG/T 2797.1-2007 Silica - Alumina carbon black - Part 1: Determination of sieve residue-Water washing method 90.0 via email in 1~3 business day valid
GB 3778-2003 Carbon black for use in rubber products 180.0 via email in 1~3 business day superseded
QB/T 4713-2014 Polyurethane Finishing for Synthetic Leather 105.0 via email in 1~3 business day valid
HG/T 4670-2014 15.0 via email in 1~3 business day valid
GB/T 7767-1994 Standard terminology relating to carbon black 60.0 via email in 1~3 business day superseded
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 valid
GB/T 20460-2006 Rubber compounding ingredients―Natural calcium carbonate―Test methods 225.0 via email in 1~3 business day valid
GB/T 3780.5-2002 Carbon black used in rubber products--Determiantion of specific surface area--CTAB test method 135.0 via email in 1~3 business day superseded
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