1000g Quartz Melting Crucible Cup Furnace Melting Casting Refining Gold Silver Copper Casting Ceramic Crucible Dish Cup Feature: High purity, high temperature resistance, high precision, good insulation. Good thermal stability, long service life. Good corrosion resistance to ensure product quality and reliability. Good heat conduction properties, can greatly shorten the melting time, save energy. Quartz crucible is used in alloy tool steel smelting and smelting of nonferrous metals and their alloys. Item Type :Quartz Crucible Material: High-purity Quartz Color: White Size: 1kg: 9.5x 6cm / 3.7x2.4in More detailed,please see photo. Quantity:1 Pc. Note: 1) Can not contact with HF, high temperature, easy produce a reaction with caustic alkali and alkali metal carbonate. 2) Quartz crisp, easy to break, use should pay attention. 3) The product may have a little flawed, not affected use. Thanks for your understand! 4) All dimensions are measured by hand, there may be small deviations. Package includes: 1 Pc x Quartz Crucible .