High-purity Quartz Crucible 1/2/3/4/5KG Melting for High-temperature Metal Gold Silver Scrap Cup Casting Mold Smelting Tools

Non-stick pan when smelting metal, long service life, no loss of precious metal. Features: 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. Specifications: Material: High purity quartz Color: White Suitable for: melting metal, gold, silver, copper, etc. Capacity: 1kg /2kg /3kg /4kg /5kg (optioanl) Top Inner Diameter(mm/inch): 1kg: 50mm / 2.0in 2kg: 60mm / 2.4in 3kg: 77mm / 3.0in 4kg: 80mm / 3.1in 5kg: 91mm / 3.6in Top Outer Diameter(mm/inch): 1kg: 70mm / 2.8in 2kg: 82mm / 3.2in 3kg: 97mm / 3.8in 4kg: 100mm / 3.9in 5kg: 116mm / 4.6in Bottom Diameter(mm/inch): 1kg: 58mm / 2.3in 2kg: 70mm / 2.8in 3kg: 89mm / 3.5in 4kg: 87mm / 3.4in 5kg: 100mm / 3.9in Height(mm/inch): 1kg: 90mm / 3.5in 2kg: 110mm / 4.3in 3kg: 104mm / 4.1in 4kg: 135mm / 5.3in 5kg: 138mm / 5.4in Item weight: 1kg: 167g / 0.37lb 2kg: 272g / 0.60lb 3kg: 410g / 0.90lb 4kg: 450g / 0.99lb 5kg: 504g / 1.11lb Package size: 1kg: 120 100 100mm / 4.7 3.9 3.9in 2kg: 150 110 110mm / 5.9 4.3 4.3in 3kg: 160 120 120mm / 6.3 4.7 4.7in 4kg: 180 140 140mm / 7.1 5.5 5.5in 5kg: 180 150 150mm / 7.1 5.9 5.9in Package weight: 1kg: 232g / 0.51lb 2kg: 340g / 0.75lb 3kg: 460g / 1.01lb 4kg: 530g / 1.17lb 5kg: 687g / 1.51lb 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 List: 1 Quartz Crucible