Description: Melting dishes pot choice the fused silica as the main raw material, made using modern ceramic processing technology Quartz melting crucible mainly used in 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. Quartz Crucible is widely used in electric light, semiconductors, optical communications, metallurgy, building materials, chemical, mechanical, electrical, environmental protection and other fields. Material: Quartz Silica. Pour spout for easy material removal Specification: Material: Quartz Color: White 100g Capacity: Outer diameter: 5.8cm/2.28inch Inner diameter: 4.5cm/1.77inch Depth: 1.6cm/0.63inch weight: 40g 150g Capacity: Outer diameter: 6.8cm/2.68inch Inner diameter: 5.5cm/2.17inch Depth: 1.8cm/0.71inch weight: 53g 250g Capacity: Outer diameter: 8.2cm/3.23inch Inner diameter: 6.8cm/2.68inch Depth: 2.3cm/0.91inch weight: 92g Package Includes: 1 Piece Quartz Silica Melting Crucible Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful online shopping!