... share. Our products mainly include butterly valves,gate valves,check valves,globe valves and other special valves,we make these valves according to ISO,DIN,USA,BS ...
1. Good strength, no cracking. 2. No dross. 3. No penetration. 4. High refractoriness. White crucible IndexRepresentative valueRefractoriness(°C)1730Bulk density(g/m³)2.29Al2O323.9SiO272.4Fe2O31.2ApplicationIt used for chemical laboratory,melting various non-ferrous metals and so on.
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