Sell [NANA] Quartz Melting Crucible Cup, 200-2000g Furnace Melting Casting Refining Casting Cup Dish for Gold Silver Copper best price

Description: Choice the fused silica as the main raw material, made using modern ceramic processing technology Mainly used in alloys, platinum, gold and other high temperature melting alloys, high temperature resistance up to 1800 degrees. High purity, corrosion resistance, high strength, high heat resistant, high shock resistance. Widely used in electric light, semiconductors, optical communications, metallurgy, building materials, chemical, mechanical, electrical, environmental protection and other fields. Material: High purity quartz, Size: 200g, 350g, 500g, 750g, 1000g, 2000g. Specification: The capacity is based on gold (for example, C1000 quartz cup means that it can hold 1000g gold.) If it holds silver or other metals, it needs to be recalculated according to the density. Material: Quartz Color: White Size: approx. 200g: Outer Size: 55.5x48mm/ 2.18x1.89inch, Inner Size: 50x37mm/ 1.97x1.45inch 350g: Outer Size: 70x63mm/ 2.75x2.48inch, Inner Size: 60x47mm/ 2.36x1.85inch. 500g: Outer Size: 70x60mm/ 2.75x2.36inch, Inner Size: 63x47mm/ 2.48x1.85inch. 750g: Outer Size: 83x73mm/ 3.26x2.87inch, Inner Size: 70x56mm/ 2.75x2.2inch. 1000g: Outer Size: 94x81mm/ 3.7x3.18inch, Inner Size: 83x64mm/ 3.26x2.5inch. 2000g: Outer Size: 106x95mm/ 4.17x3.74inch, Inner Size: 97x75mm/ 3.8x2.95inch. Package Includes: 1 Piece Quartz Silica Melting Crucible Note: Please allow 1-3mm error due to manual measurement, pls make sure you do not mind before you bid.