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QJ A 2781-2004 QJ A 2781-2004 Determination of the Carbon Content the Hydrogen Content and the Nitrogen Content of Carbonaceous Material (USD) via email in 1 business day VALID
GB/T 1431-2019 The test method for compressive strength of carbon materials (USD) via email in 1-3 business day VALID
GB/T 38823-2020 Silicon-carbon (USD) via email in 1-3 business day TO BE VALID
GB/T 8719-1997 General rule for packing, marking, storage, transport and quality certificates of carbonaceous material and products via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
YB/T 5160-1993 Method for electrolytical testing of cathode carbon bricks used in the aluminium electrolytical cell (USD) via email in 1-3 business day ABOLISHED
GB/T 35922-2018 Technical specifications of impervious graphite to impermeable and corrosion (USD) via email in 1-3 business day VALID
GB 1426-1978 Carbon materials; Classifications (USD) via email in 1-3 business day ABOLISHED
JC 524-1993 (USD) via email in 1-3 business day VALID
GB/T 8721-2019 The test method for tensile strength of carbon materials (USD) via email in 1-3 business day VALID
GB/T 1428-1978 Determination of moisture content in carbon materials via email in ABOLISHED please email coc@codeofchina.com for quotation
YS/T 62.1-2005 Carbonaceous materials used in the production of aluminium—Sampling methods—Part 1:Cathode blocks (USD) via email in 1-3 business day
GB/T 1427-2000 Sample method of carbon material via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB/T 1427-2016 Sample method of carbon material (USD) via email in 1-3 business day VALID
GB/T 9973-1988 Test method for the permeability of carbon materials via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
YB/T 5156-1993 Determination of silicon in graphite products of high purity by silicon-molybdenum blue photometric method (USD) via email in 1-3 business day ABOLISHED
GB/T 35926-2018 Operation technical specifications of impervious graphite tocement andanti-corrsion (USD) via email in 1-3 business day VALID
GB 6714-1986 (USD) via email in 1-3 business day ABOLISHED
GB 8719-1988 (USD) via email in 1-3 business day ABOLISHED
YB 910-1978 (USD) via email in 1-3 business day ABOLISHED
YB/T 4034-2001 Method for dimensions and aspect for the carbon block of blast furnaces (USD) via email in 1-3 business day ABOLISHED
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