the fused silica as the main for , made using modern ceramic processing technology, mainly used in alloys, , gold and other high temperature melting alloys, high temperature over 2800 degrees, high purity, resistance, high strength, high , high shock resistance. Widely used in electric light, semiconductors, optical communications, , metallurgy, building materials, chemical, mechanical, electrical, environmental for and other fields. Package includes:1Pc x Melting Widely used in electric light, semiconductors, optical communications, , metallurgy, building materials, chemical, mechanical, electrical, environmental for and other fields. Package includes:1Pc x Melting