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GB/T 5070.7-2002 Chemical analysis of magnesia chromite refractories-Part 7: Determination of calcium oxide-EDTA volumetric method (USD) via email in 1-3 business day ABOLISHED
YB/T 5164-1993 Test method for sieve analgsis of refractory mortar (USD) via email in 1-3 business day
GB/T 5071-2013 Refractory materials—Determination of true density (USD) via email in 1-3 business day VALID
YB/T 2217-1999 Diamensions of dome bricks for electric arc furnace roofs (USD) via email in 1-3 business day ABOLISHED
YB/T 4121-2004 Basic Coating for Tundish (USD) via email in 1-3 business day ABOLISHED
YB/T 4129-2005 Corundum composite block containing plastic phase (USD) via email in 1-3 business day VALID
YB/T 4109-2002 Abrasion resistant refractory castable for circulation fluidized bed boiler (USD) via email in 1-3 business day
GB/T 5071-1997 Refractory materials-Determination of true density via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
YB/T 4198-2009 Dimensions of refractory bricks for ladle via email in VALID please email coc@codeofchina.com for quotation
YB/T 4197-2009 Self-flow refractory castables via email in VALID please email coc@codeofchina.com for quotation
YB/T 4035-2007 Silicon nitride bonded silicon carbide bricks (USD) via email in 1-3 business day
GB/T 16555.6-1996 Chemical analysis for silicon carbide refractories-Determination of silicon dioxide via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB/T 4984-2007 Chemical analysis of refractories containing zirconia (USD) via email in 1-3 business day VALID
JC/T 2159-2012 Special retratory motars for cement kiln system (USD) via email in 1-3 business day VALID
GB/T 5069.13-2001 Chemical analysis of magnesia and magnesia-alumina refractory materials-Flame atomic absorption spectrometric method for determination of potassium oxide and sodium oxide content (USD) via email in 1-3 business day ABOLISHED
GB/T 5070.3-2002 Chemical analysis of magnesia chromite refractories-Part 3: Determination of iron oxide-O-phenanthroline photometric method (USD) via email in 1-3 business day ABOLISHED
GB/T 2608-2012 Silica refractory bricks (USD) via email in 1-3 business day VALID
YB/T 5020-2002 High alumina refractory bricks for steel ladle linings (USD) via email in 1-3 business day
YB/T 4118-2003 Purging plug and seat block for refining ladles (USD) via email in 1-3 business day ABOLISHED
GB/T 5070-2015 Chemical analysis of refractories containing chrome (USD) via email in 1-5 business day VALID
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