YUOPEEA High-purity Melting Graphite Crucible Mould Melting High-temperature Resistance for Gold and Silver Metal Smelting Tools

2Pcs 300g Graphite Crucible Quartz Melting Crucible Cup Kit Gold Silver Furnace Melting Casting Refining Mould Cups Kit Feature: Comes with 1 piece Quartz crucible & 1 piece Graphite Crucible cups kit Graphite crucible has good thermal conductivity can greatly shorten the melting for time saving energy Graphite crucibles have good thermal stability suitable for emergency or cold conditions of use With excellent corrosion resistance impact resistance acid resistance and alkali resistance It keeps its original natural graphite of various physical and chemical properties Quartz crucible has High purity high temperature resistance Good thermal stability long service life. Good corrosion resistance to ensure product quality and reliability. Can melt gold silver platinum and other precious- metals and other alloys long service life 2 Pcs Cups kit is used in alloy tool steel smelting and smelting of nonferrous metals and their alloys. Item Type :Quartz Crucible & Graphite Crucible Material： High-purity Quartz & Graphite Color: White & Black Size: 300g: 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 300g Quartz Crucible . 1 Pc x 300g Graphite Crucible