Beads - brand generique - 250/500/750G Quartz Silica Melting Crucible For Platinum Gold And Silver 8.8 Cm Cm Description: Choose fused silica as the main raw material, made by modern ceramic processing technology Mainly used in alloys, platinum, gold and other high temperature melting alloys, high temperature above 2000 degrees High purity, corrosion resistance, high strength, high heat resistance, high impact resistance. Widely used in electric light, semiconductors, optical communications, metallurgy, building materials, chemical, mechanical, electrical, environmental protection and other fields. Material: quartz silica specification: Material: Quartz Capacity: 250g Diameter: 71mm Height: 28mm Depth: 5.5mm Capacity: 500g Diameter: 86mm Height: 37mm Depth: 5.5mm Capacity: 750g Diameter: 88 mm Height: 37mm Depth: 5.5mm Package Include: 1 Piece Quartz Silica Melting Crucible Note: Please allow a little error in size due to manual measurement. Please be reminded that due to lighting effects and monitor's brightness/contrast settings etc, the item's color may be slightly different from the pictures. Try to understand.