Nisorpa 6 KG Silicon Graphite Crucibles | Crucible Copper Casting Cup | Black Cup Furnace Torch Melting Bnus Professional Leatherworking Tool

Professional Leatherworking Tool

4 × Prong Punch: 4mm Prong width 1/2/4/6 prong for choosing

our wood burning pyrography pen is fast-heating with variable temperature control range from 200°C to 450°C(392℉-842℉) by temperature control knob in 20 seconds

the brushes are visually attractive spread smoothly and evenly

Fits in most briefcases

Nisorpa 6 KG Silicon Graphite Crucibles | Crucible Copper Casting Cup | Black Cup Furnace Torch Melting Bnus Professional Leatherworking ToolSize: 6KG(750ML) This durable foundry silicon carbide graphite crucible is made of 45% carbon, 23% silicon, 26% alumina and 6% silicon dioxide, with a stable chemical properties. The silicon graphite crucible fit for all the furnaces such as coke oven, fuel burner, electric furnace and can withstand a high temperature up to 1800(3272F). The service life of this kind of silicon graphite crucible is about 3 8 times life longer than the foundry clay