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GB/T 3780.22-2016 Carbon black—Part 22:Calculation of process indexes from an analysis of process control data (USD) via email in 1-3 business day VALID
GB/T 14853.2-2016 Pelletized carbon black for rubber—Part 2:Determination of fines content and pellet attrition (USD) via email in 1-3 business day VALID
GB/T 32698-2016 (USD) via email in 1-3 business day VALID
GB/T 7045-2003 Colour carbon black—Determination of pH value via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB 10529-1989 (USD) via email in 1-3 business day ABOLISHED
GB/T 9578-2011 Industry reference carbon black 4# (USD) via email in 1-3 business day VALID
GB/T 3781.9-2019 Acetylene black—Part 9:Determination of resistivity (USD) via email in 1-3 business day VALID
GB/T 9581-2011 Oil for use in the carbon black products—Ethylene bottom (USD) via email in 1-3 business day VALID
GB/T 14853.6-2013 Rubber compounding ingredients—Pelletized carbon black—Part 6:Determination of individual pellet crushing strength (USD) via email in 1-3 business day VALID
HG/T 2797.1-1996 (USD) via email in 1-3 business day ABOLISHED
GB 7046-1986 (USD) via email in 1-3 business day ABOLISHED
GB/T 3780.10-2009 Carbon black—Part 10:Determination of ash (USD) via email in 1-3 business day ABOLISHED
GB/T 3782-2016 Acetylene black (USD) via email in 1-3 business day VALID
GB/T 14853.2-2006 Rubber compounding ingredients―Carbon black―Part 2: pelletized-Determination of fines content and pellet attrition via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB/T 3780.8-2019 Carbon black—Part 8:Determination of heating loss (USD) via email in 1-3 business day TO BE VALID
GB/T 7046-1995 Colour carbon black--Determination of dibutyl phthalate absorption number (USD) via email in 1-3 business day ABOLISHED
GB/T 14853.4-2013 Rubber compounding ingredients—Pelletized carbon black—Part 4:Determination of mass strength (USD) via email in 1-3 business day VALID
GB/T 3780.15-2016 Carbon black—Part 15:Determination of light transmittance of toluene extract (USD) via email in 1-3 business day VALID
GB/T 3780.1-2006 Carbon black―Part 1: Test method for iodine adsorption number (USD) via email in 1-3 business day ABOLISHED
GB/T 3780.4-2008 Carbon black - Part 4:Determination of oil absorption number for compressed sample via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
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