7 Pack Ceramic Quartz Crucibles,crucibles Melting Dishes Ceramic Casting Torch Melt Gold Silver 100/

Usage: Suitable for Refining Casting Molding \/Metal \/Gold\/Silver\/Brass\/Copper\/Alloy etc.Material:Made of premium ceramic, purity, corrosion resistance, high strength, high heat resistant, high shock resistance.Widely used: Widely used in electric light, semiconductors, optical communications, , metallurgy, building materials, chemical, mechanical, electrical, environmental protection and other fields.Design: Designed with tapered sides and a pour spout for easy material removal.Specifications:Capacity:100,150, 250g, 400g,500gFive size as bellow:Crucible Bowl(100g):Outer Diameter: 52 mm;Inner diameter: 45mm;Height: 21mm;Net weight: 30gCrucible Bowl(150g):Outer Diameter: 60 mm;Inner diameter: 47mm;Height: 25mm;Net weight: 36gCrucible Bowl(250g):Outer Diameter: 70 mm;Inner diameter: 60mm;Height:25mm;Net weight:. 52gCrucible Bowl(400g):Outer Diameter 75 mm;Inner diameter: 65mm;Height: 32 mm;Net weight: . 80gCrucible Bowl(500g):Outer Diameter: 83 mm;Inner diameter: 70 mm;Height: 36 mm;Net weight: . 94gUnit conversion: 1mm = 0.0393inchNote:Before the gold and silver melt, borax should be placed at the bottom of the bowl to prevent the gold and silver from melting and sticking to the bottom. The melting bowl is easy to absorb moisture, and it is preheated and gradually heated before use to prevent water from chilling and bursting.Material: Metalcolour: As shownPackage Contents:5 x quartz silica melting crucible (100\/150\/250\/400g\/500g)2 x tweezers (pointed and elbowed)Only the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.