Fire Clay Cupel 7A 8A 9A  Fire Assay Crucible Factory Price

Usage
1. Long Lasting, can be used many times
2. High mechanical strength designed to withstand severe thermal Shocks
3. Special formula, curing and pressing process
4. Multi-use crucible
5. Can withstand extremely corrosive fire assay environments
6. Can withstand repetitive thermal shocks from 1800 degree celcius to room temperature
Magnesia: ≥ 93%
Property: High refractoriness, rapid absorption, and recovery rate of 97% -98.5%, easy to use, without milling.