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YB/T 174.1-2000 Chemical analysis for silicon nitride bonded silicon carbide product-Determination of silicon nitride content-High pressure dissolve specimen method (USD) via email in 1-3 business day
GB/T 23294-2009E Abrasion resistant refractory materials (USD) via email in 1-3 business day VALID
JC 493-2001 Fused cast AZS refractories for glass furnace (USD) via email in 1-3 business day ABOLISHED
YB/T 4075-2004 Zirconic metering nozzle (USD) via email in 1-3 business day ABOLISHED
YB/T 174.3-2000 Chemical analysis for silicon nitride bonded silicon carbide prodct-Determination of free silicon content-Molybdenm blue photometric method (USD) via email in 1-3 business day
YB/T 174.4-2000 Chemical analysis for silicon nitride honded silicon carbide product-Determination of iron oxide content-o-Phenanthroline photometric method (USD) via email in 1-3 business day
YB/T 007-2003 Alumina carbon refractory products for continuous casting (USD) via email in 1-3 business day ABOLISHED
YB/T 174.2-2000 Chemical analysis for silicon nitride bonded silicon carbide product-Determination of silicon carbide content-High pressure dissolve specimen method (USD) via email in 1-3 business day
GB/T 23294-2009 Abrasion resistant refractory materials (USD) via email in 1-3 business day VALID
YB/T 4078.2-2003 Chemical analysis of zirconia refractories -- Part 2: Determination of zirconia oxide -- EDTA volumetric method (USD) via email in 1-3 business day
YB/T 4078.1-2003 Chemical analysis of zirconia refractories -- Part 1: Determination of zirconia oxide -- Mandelic acid gravimetric method (USD) via email in 1-3 business day
GB/T 13245-1991 Chemical analysis method of refractories containing carbon-Determination of the total carbon-Combustion gravimetric method via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB/T 16555-2008 Chemical analysis of refractories containing carbon and silicon carbide or nitride (USD) via email in 1-5 business day ABOLISHED
YB 4074-1991 (USD) via email in 1-3 business day
YB/T 113-1997 Burned microporous alumina-graphite brick (USD) via email in 1 business day SUPERSEDED
YB/T 165-1999 Resin bonded alumina-magnesia-carbon bricks (USD) via email in 1-3 business day ABOLISHED
GB/T 23293-2009E Nitride bonded refractory products and their mortars (USD) via email in 1-3 business day VALID
SN/T 1633-2005 Determination of zirconia(hafnium) oxide in zirconia-alumina--Back titration with zirconium oxychloride standard solution (USD) via email in 1-3 business day VALID
GB/T 26563-2011E Fused zirconia (USD) via email in 1-3 business day VALID
GB/T 23293-2009 Nitride bonded refractory products and their mortars (USD) via email in 1-3 business day VALID
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