Expertly melt and assay precious metals with our 100 Gram Ceramic Alumina Crucible with 1.75oz to 3oz of Borax Flux included. Perfect for jewelers, it's designed for melting gold, silver, and copper alloys. With high heat resistance and durability, this crucible is a must-have for any serious jeweler, refiner or hobbyist.
Made of high-quality ceramic and alumina, these dishes are suitable for casting and assaying gold, silver, and copper. The dishes are white in color and are branded as PRESIDENTGOLD.
This dish is a great tools for anyone looking to create or repair jewelry. They are a must-have for those who work with precious metals and want to ensure the best quality for their customers. With a spout built in, you can easily melt and pour your metals with ease. Trusted in the quality and durability of PRESIDENTGOLD and order your one today!
Uses:
Before melting the gold and silver, borax should be placed at the bottom of the bowl to prevent the gold and silver from sticking to the bottom of the bowl after melting. The melting bowl is easy to absorb moisture, preheat and gradually heat before use to prevent the water from freezing and bursting
Material Specifications:
Alumina (Al2O3) Crucibles
Melting point – 2,072 °C
Recommended Max working temperature – 1,600 °C
Max ramp rate - 5 °C/min <1200 °C or 4 °C/min >1200 °C
