1、FUNCTION: Mainly used for alloy, silver, gold and other high temperature melting alloy, suitable for DIY process, jewelry making, etc.2、HEAT RESISTANT: The crucible boat is made of high purity quartz, it can withstand a high temperature of 2800℃, helping you to smelt various metals.3、CORROSION RESISTANCE: High strength, high temperature resistance, but also can effectively prevent corrosion by metal, can be repeatedly used for a long time, long life.4、QUARTZ MATERIAL: Use fused quartz as the main material, made of modern ceramic processing technology, professional and easy to operate.5、PORTABLE: Quartz crucible melting boat has small size, light weight, portable, convenient for jewelry makers to carry jewelry smelting, professional and practical.