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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
T/ACRI 0005-2017 Fused cast zirconia corundum mullite blocks via email in VALID please email coc@codeofchina.com for quotation
GB/T 10325-2012E Shaped refractory products—Rule of acceptance,sampling and inspection (USD) via email in 1-3 business day VALID
GB/T 5069.8-2001 Chemical analysis of magnesia and magnesia-alumina refractory materials-Diantipyrylmenthane photometric method for determination of titanium dioxide content (USD) via email in 1-3 business day ABOLISHED
GB/T 17106-1997 Refractory materials--Determination of thermal conductivity--Hot-wire method(parallel) via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
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
GB/T 14982-2008 Fireclay refractory mortars (USD) via email in 1-3 business day VALID
GB/T 2608-2001 Silica refractory bricks via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
YB/T 102-2007 Dense electro-fused alumina (USD) via email in 1-3 business day VALID
GB/T 17911.1-1999 Refractory ceramic fibre products--Preparation of test pieces via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB/T 5990-1986 Shaped insulating refractory products; Test method of the thermal conductivity (hot wire method) (USD) via email in 1-3 business day ABOLISHED
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
YB/T 4500-2016 Large-sized combined pre-formed shape for coke oven via email in VALID please email coc@codeofchina.com for quotation
GB/T 5070.1-2002 Chemical analysis of magnesia chromite refractories-Part 1: Determination of loss on ignition-Gravimetric method (USD) via email in 1-3 business day ABOLISHED
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