2Pcs Ceramic Quartz Crucibles for Melting Gold, Silver, and Copper Jewelry Scrap Metal - 250 Gram Capacity

Specifications: Capacity: - 150g - 500g - 750g - 1000g

Material: Quartz Crucible

Bowl(150g): - Outer Diameter: 70mm - Inner diameter: 55mm - Height: 18mm - Net weight: approx. 53g

Bowl(250g): - Outer Diameter: 81mm - Inner diameter: 70mm - Height: 25mm - Net weight: approx. 91g

Bowl(750g): - Outer Diameter: 98 mm - Inner diameter: 90mm - Height: 30 mm - Net weight: approx. 163g

Bowl(1000g): - Outer Diameter: 115mm - Inner diameter: 95 mm - Height: 32 mm - Net weight: approx. 171g

Unit conversion: 1mm = 0.0393inch

Note: - The 150g/250g molten gold bowl may have uneven edges and be slightly rough, but this does not affect its functionality. - Please be aware of this and consider it before making a purchase. - Manual measurements may have a small margin of error. - Please carefully review sizes before buying. - Actual colors may differ slightly from what is seen in the pictures due to monitor settings and lighting.

Your feedback is highly valued as we strive to enhance our services. If you are dissatisfied with anything, please reach out to us for the best possible solution.

This quartz crucible is specifically designed for melting gold, silver, and copper metals. It is composed of fused silica as the primary material and is produced through advanced ceramic processing techniques.

Primarily utilized in dental alloys, platinum, gold, and other high-temperature molten alloys, this crucible can withstand temperatures of up to approximately 1700 degrees. It boasts high purity, corrosion resistance, strength, heat resistance, and shock resistance.

Common applications include electric lighting, semiconductors, optical communications, military operations, metallurgy, construction materials, chemistry, mechanics, electronics, environmental protection, and more.

To prevent molten gold and silver from sticking to the bottom of the crucible, place a layer of borax at the base before melting. It is recommended to preheat and gradually heat the crucible before use to avoid any water-related issues.

Thank you for your understanding and for choosing our product.

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