2015 new stock export high quality magnesian cupels for fire assay
USD $0.18 - $0.45 /Piece
Min.Order:10000 Pieces
Changsha Jintuo Experimental Equipment Co., Ltd.
What's the cupels
Cupels are made from high quality dead burnt magnesia (MgO). Hard, smooth surface with consistency in weight and size. Provide exceptional results in gold mines, precious metal refiners, alloy melters, hallmarking, geological and test laboratories worldwide.
1.Our advantage
1.Made of high qulity magnesia,Bone Ash etc. .
2.High casting density.
3. with extremely low Gold and silver content ,can get more accurate test results,
4. Widely Used for smelting and assaying
5. high temperature resistance and resistance to thermal shock
6.can be used for 3-5 times of the crucibles for fire assay.
7.Free samples avaliable.
2.Products show
Widely Used for smelting and assaying
Changsha Jintuo Experimental Equipment Co., Ltd.
was the manufacter for crucible ,cupels ,melting pot over 15 years .