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GB/T 24529-2009 Carbon materials—Determination of open porosity (USD) via email in 1-3 business day VALID
YS/T 587.8-2006 Calcined coke for prebaked blocks -- Testing methods -- Part 8: Determination of the reactivity to air (USD) via email in 1-3 business day VALID
GB/T 26297.6-2010 Sampling of carbonaceous materials used for aluminium production—Part 6:Cokes for electrodes (USD) via email in 1-3 business day VALID
GB/T 26930.11-2014 Carbonaceous materials used in the production of aluminium—Pitch for electrodes—Part 11:Determination of dynamic viscosity (USD) via email in 1-3 business day VALID
GB/T 26930.7-2014 Carbonaceous materials used in the production of aluminium—Pitch for electrodes—Part 7:Determination of the softening point(Mettler softening point method) (USD) via email in 1-3 business day VALID
YS/T 63.9-2012 Carbonaceous materials used in the production of aluminiumPart 9: Determination of truth density by helium pyknometry method (USD) via email in 1-3 business day VALID
ZB Q 52004-1990 via email in ABOLISHED please email coc@codeofchina.com for quotation
YS/T 63.17-2006 Carbonaceous materials used in the production of aluminium?Part 17:Determination of volatile matter content via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
YS/T 700-2009 Abrasion method of cathode blocks used in the production of aluminium (USD) via email in 1-3 business day VALID
YS/T 284-1998 Anode paste for aluminium electrolysis (USD) via email in 1-3 business day
YS/T 575.12-2007 Methods for chemical analysis of bauxite Part 12:Determination of vanadium pentoxide content N-benzoy-N-phenythyroxylamine photometric method via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
YB/T 5215-1996 Electrode paste (USD) via email in 1-3 business day ABOLISHED
GB/T 1431-2009 Carbon materials—Determination of the compressive strength (USD) via email in 1-3 business day ABOLISHED
YB 819-1978 Charcoal electrode (USD) via email in 1 business day VALID
YS/T 63.12-2006 Carbonaceous material used in the production of aluminium -- Part 12 : Prebaked anodes -- Determination of the reactivity to carbon dioxide -- Loss in mass method (USD) via email in 1-3 business day VALID
YB/T 5213-1993 Test method for the alkali resistant of carbon bricks (USD) via email in 1-3 business day ABOLISHED
YB/T 141-2009 Microporous carbon block for blast furnace (USD) via email in 1-3 business day VALID
YB 2807-1991 (USD) via email in 1-3 business day ABOLISHED
YS/T 63.18-2006 Carbonaceous materials used in the production of aluminium?Part 18:Determiantion of water content via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB 6153-1985 (USD) via email in 1-3 business day ABOLISHED
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