Fire Assay Crucible
1350°C Multifunctional Bone Ash Cupel Fire Assay Cupels for Smelting 1200000 Pcs/Month
High-temperature bone ash cupels for fire assay, working up to 1350°C. Reusable 3-5 times, withstand corrosive environments and thermal shocks. OEM/OBM available. Al2O3>45%, Fe2O3
45mm Magnesia Cupels for Fire Assaying 95% MgO High Thermal Shock Resistance
Made of high-purity magnesite with ≥95% MgO, these cupels offer rapid absorption (70%) and recovery rates of 97-98.5%. Ideal for gold smelting and assaying, they withstand 1100°C with excellent durability. Custom OEM/ODM options available.
45mm Magnesia Cupels for Fire Assaying High Thermal Shock Resistance Bone Ash Crucible
Made of high-purity magnesia (≥95%), these cupels offer rapid absorption (70%) and a recovery rate of 97-98.5%. Ideal for smelting and gold assaying, they withstand 1100°C with excellent durability. Custom OEM/ODM available.
Lightweight High Refractoriness Magnesia Cupels 95% for Thermal Analysis 1100°C
Made of high-purity magnesia (≥95%), these cupels offer high refractoriness up to 1100°C, rapid absorption of 70%, and a recovery rate of 97-98.5%. Designed for smelting and assaying, they provide excellent thermal shock resistance and easy use without milling.
High Refractoriness Bone Ash Cupel Crucible for Smelting 1100°C 97% Recovery
Made of high-purity magnesite with ≥95% magnesia content. Features high thermal shock resistance, rapid absorption of 70%, and recovery rate of 97-98.5%. Ideal for smelting and assaying. Custom sizes and OEM available.
1350 Degree Fire Assay Crucible 105mm Top Diameter 145mm Height for Precious Metal Analysis
High-alumina fireclay crucible rated to 1350°C, ideal for fire assaying gold and precious metals. Withstands corrosive environments and thermal shocks. Reusable 3-5 times. Custom sizes available. 1,200,000 pcs/month supply capacity.
110mm OD Fire Clay Graphite Crucible 95mm Top Diameter 115mm High for Gold Melting
High-quality clay graphite crucible for fire assay gold melting and lab testing. Withstands thermal shocks from 1300°C to room temperature. Custom sizes available. 20+ years ceramic expertise.
Refractory Fire Assay Crucible 85mm Top Diameter 150mm Height for Gold Mining Lab
High alumina refractory crucible for fire assaying gold and precious metals. Withstands 1650°C thermal shock, reusable 3-5 times. Custom sizes available. Export-grade quality for mining laboratories.
Thermal High Refractoriness Fire Assay Cupels 90x58x155mm for Smelting Gold
High refractoriness up to 1650°C with excellent thermal shock and corrosion resistance. No cracking or hanging residue, export grade lasts 3-5 uses. Custom sizes available, 20+ years experience.
Fire Assay Crucible 80mm ID High Mechanical Strength for Metal Analysis 1650C
High-strength fire assay crucible for gold melting and lab tests. Withstands 1650°C thermal shocks and corrosive environments. Reusable, custom sizes available. 20+ years expertise.