Assertion: periclase | /r/HasProperty | 7 - 20 crystalline graphite
Facets:
Source sentences:
text: The inventive refractory contains, wt%: 30 - 60 aluminasilica spinel obtained melting "drain"; 20 - 45 magnesia, sintered and/or fused; 7 - 20 crystalline graphite; 3 - 5 antioxidant - fine aluminievokalievykh alloy with a total content of the active metals - aluminum and magnesium not less than 99%, passivated silicon surface and, in excess of 100%, - 5 - 7 binding.