Min. Order Reference FOB Price
10 Pieces US$0.40-1.00 / Piece
Product Description
7A Magnesia Bone cupel for smelting and assaying 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 ...