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GB/T 5069.4-2001 Chemical analysis of magnesia and magnesia-alumina refractory materials-Ortho-phenanthroline photometric method for determination of iron oxide content (USD) via email in 1-3 business day ABOLISHED
GB/T 30758-2014 Refractory products—Determination of dynamic Youngs modulus(MOE) by impulse excitation of vibration (USD) via email in 1-3 business day VALID
YB/T 116-1997 Roller of refractory castable reinforced by stainless steel fibre (USD) via email in 1-3 business day VALID
GB/T 26564-2011E Magnesium aluminate spinel (USD) via email in 1-3 business day VALID
YB/T 4153-2006 (USD) via email in 1-3 business day VALID
GB/T 2997-2015 Test method for bulk density,apparent porosity and true porosity of dense shaped refractory products (USD) via email in 1-3 business day VALID
YB/T 370-1995 Test method for refractoriness under coad of vefractory products(non-differential with rising temperature) (USD) via email in 1-3 business day ABOLISHED
GB/T 4513.8-2017 Monolithic(unshaped) refractory products—Part 8:Determination of complementary properties (USD) via email in 1-3 business day VALID
JC/T 422-1991 via email in ABOLISHED please email coc@codeofchina.com for quotation
GB/T 2992.1-2011E Dimensions of refractory bricks—Part 1:Specification for general bricks (USD) via email in 1-5 business day VALID
GB/T 6900.6-1986 Fireclay and high-alumina refractories; Determination of calcium oxide content; EDTA volumetric method (USD) via email in 1-3 business day ABOLISHED
GB/T 23294-2009 Abrasion resistant refractory materials (USD) via email in 1-3 business day VALID
YB/T 5016-2000 High alumina refractory bricks for hot blast stoves (USD) via email in 1-3 business day
GB/T 30759-2014E High chrome bricks (USD) via email in 1-3 business day VALID
GB/T 17732-2008 Dense,shaped refractory products - Test methods for products containing carbon (USD) via email in 1-3 business day VALID
YB/T 4196-2009 Anhydrous tap-hole mix for blast furnaces via email in ABOLISHED please email coc@codeofchina.com for quotation
YB/T 376.1-1995 Test method for thermal shock resistance of refractory prodcts(water quenching) (USD) via email in 1-3 business day
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
GB/T 17911-2006 Refractory products - Methods of test for ceramic fibre products (USD) via email in 1-3 business day ABOLISHED
GB/T 3008-1982 Rule for preparing samples of ordinary alumino-silicate refractory fiber felts via email in ABOLISHED please email coc@codeofchina.com for quotation
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