C-20 Graphite Grain-Making Crucibles for J-10 and J-15 Dimensions:90mm Ultra-Cast alloys are formulated to

Ultra-Cast alloys are formulated to produce bright

Mount the wheel on a tapered spindle (hole tapers from 10mm to 6mm) in a polishing motor/lathe and run between 1

The torch delivers precise flame control

The component offers a closed ring designed into the circle that serves as both an exterior and an interior ring

This rectangular

C-20 Graphite Grain-Making Crucibles for J-10 and J-15 Dimensions:90mm Ultra-Cast alloys are formulated toPatented AutoValve design speeds reprocessing of sprues and buttons. Use with the patented AutoValve disc insert. This economical C 20 graphite crucible is created from an extruded graphite material that's well suited to working with silver, lower karat yellow gold (14 karat or less), brass, bronze and other copper based alloys. For white gold or higher karat yellow gold, choose a crucible made from denser C 50 graphite. Graphite crucibles help