Product Description:
1.Material: Magnesium Oxide
2.Featrue: High thermal shock resistance
Packaging & Shipping:
1.Packaging details: cartons with pallet
2.Delivery time: within 20 days
Usage:
Used for smelting and assaying ,excluding gold and silver elements, more accurate test results, high temperature resistance and resistance to thermal shock .
The specific technical data,
Product: Fire Assay Cupel
Production Method: Dry Pressing
Typical Chemical Analysis
MgO ≥98.5%
Al2O3 ≥1.2%
Working Temperature 1300℃-1350℃
Specific Gravity: 2.35
Porosity: 12%-15%
Lead Absorption 91%
