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YS/T 764-2011 Determination equipment for the thermal expansion coefficient of carbonaceous materials used in the production of aluminium (USD) via email in 1-3 business day VALID
GB/T 26294-2010 Carbonaceous materials used in the production of aluminium—Cold-ramming pastes—Determination of effective binder content and aggregate content by extraction with quinoline,and determination of aggregate size distribution (USD) via email in 1-3 business day VALID
GB/T 26930.3-2011 Carbonaceous materials for the production of primary aluminium—Pitch for electrodes—Part 3:Determination of density—Pyknometric method (USD) via email in 1-3 business day VALID
YS/T 763-2011 Graphitized coke produced by electrical calciner (USD) via email in 1-3 business day ABOLISHED
YS/T 63.4-2006 Carbonaceous material used in the production of aluminium -- Part 4 : Determination of the thermal expansion coefficient (USD) via email in 1-3 business day VALID
YS/T 842-2012 Petroleum coke for graphitized cathode carbon block (USD) via email in 1-3 business day VALID
YS/T 63.6-2006 Carbonaceous materials used in the production of aluminium?Part 6:Determination of open porosity using a hydrostatic method via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
YB 2809-1978 Carbon anode (USD) via email in 1 business day VALID
YS/T 63.3-2016 Carbonaceous materials used in the production of aluminium—Part 3:Determination of the thermal conductivity—Comparative method (USD) via email in 1-3 business day VALID
GB/T 24201-2009 Test method for corrosion resistance of blast furnace brick to pig iron (USD) via email in 1-3 business day VALID
GB/T 26297.4-2010 Sampling of carbonaceous materials used for aluminium production—Part 4:Cathodic pastes (USD) via email in 1-3 business day VALID
YS/T 65-1993 (USD) via email in 1-3 business day ABOLISHED
GB/T 26297.2-2010 Sampling of carbonaceous materials used for aluminium production—Part 2:Sidewall blocks (USD) via email in 1-3 business day VALID
YS/T 575.2-2007 Methods for chemical analysis of bauxite Part 2:Determination of silicon dioxide content Gravimetric-molybdenum blue photometric mehtod via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 6155-2008 Carbon materials-determination of the true density or porosity (USD) via email in 1-3 business day
GB/T 26930.2-2011 Carbonaceous materials for the production of primary aluminium—Pitch for electrodes—Part 2:Determination of softening point by the ring and ball method (USD) via email in 1-3 business day VALID
GB/T 37308-2019 Oil-based needle coke (USD) via email in 1-3 business day VALID
GB/T 10299-1988 Test method for hydrophobic nature of thermal insulation (USD) via email in 1-3 business day ABOLISHED
YS/T 587.9-2006 Calcined coke for prebaked blocks?Testing methodsd?Part 9:Determination of real density via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
YS/T 575.8-2007 Methods for chemical analysis of bauxite Part 8:Determination of magnesium oxide content Flame atomic absorption spectorphotometric method (USD) via email in 1-3 business day VALID
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