Description: -Choice the fused silica as the main raw material, made using modern ceramic processing technology, mainly used in dental alloys, platinum, gold and other high temperature melting alloys, high temperature over 2800 degrees, high purity, corrosion resistance, high strength, high heat resistant, high shock resistance. -Widely used in electric light, semiconductors, optical communications, military, metallurgy, building materials, chemical, mechanical, electrical, environmental protection and other fields. Specifications: Capacity: 150g Material: Quartz Outer Diameter: 57 mm Inner diameter: 43 mm Height: 20mm Deepth: 15mm Net weight: approx. 40g Quartz physical and chemical properties: 1, High temperature. 2, Corrosion resistance. 3, Good thermal stability. 4, Good light transmission properties. 5, Good electrical insulation properties. Package included: 1X Quartz Melting Crucible