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GB/T 10326-2001 Refractory products--Inspections of dimension appearance and section via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB/T 5069-2015 Chemical analysis of magnesia-alumina refractories (USD) via email in 1-5 business day VALID
GB/T 5072-2008 Refractories—Determination of cold compressive strength (USD) via email in 1-3 business day VALID
GB/T 17601-1998 Dense shaped refractory products--Determination of resistance to sulfuric acid via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB/T 6900.8-1986 Fireclay and high-alumina refractories; Determination of calcium oxide and magnesium oxide content; Atomic absorption spectrophotometric method (USD) via email in 1-3 business day ABOLISHED
GB/T 7321-2017 Sample preparation for testing of shaped refractory products (USD) via email in 1-3 business day VALID
GB/T 10325-2012E Shaped refractory products—Rule of acceptance,sampling and inspection (USD) via email in 1-3 business day VALID
GB/T 7322-1997 Test method for pyrometric cone equivalent (refractoriness) of refractories via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
YB 4014-1991 (USD) via email in 1-3 business day VALID
GB/T 13794-2008 Pyrometric reference cones (USD) via email in 1-3 business day ABOLISHED
JC/T 2232-2014 Ceramic overflow brick for manufacture the LCD glass (USD) via email in 1-3 business day VALID
YB 4018-1991 (USD) via email in 1-3 business day VALID
YB/T 102-2007 Dense electro-fused alumina (USD) via email in 1-3 business day VALID
GB/T 7322-2017 Refractory products—Determination of refractoriness (USD) via email in 1-3 business day VALID
GB/T 21114-2007 Chemical analysis of refractory products by XRF—Fused cast bead method (USD) via email in 1-8 business day ABOLISHED
GB 2993-1982 (USD) via email in 1-3 business day ABOLISHED
GB/T 6901.2-1986 Silica refractories--Determination of silicon dioxide content--Gravimetric-molybdenum blue photometric method via email in ABOLISHED please email coc@codeofchina.com for quotation
GB/T 10326-2016 Shaped refractory products inspections of dimension, appearance and section (USD) via email in 1-3 business day VALID
GB/T 3001-2017 Refractory products—Determination of modulus of rupture at ambient temperature (USD) via email in 1-3 business day VALID
GB/T 7320-2018 Refractories—Determination of thermal expansion (USD) via email in 1-3 business day VALID
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