C-50 Graphite AutoValve Disc for GrainPro Dapping Sets & Forming Blocks Lab Report Number: 595380904

Lab Report Number: 595380904

sanding and polishing to a bright finish

and all punches are made of S7 shock-resistant tool steel through hardened to 55 HRC

This brass French wire protects the bead cord from damage and extends the life of the jewelry

All-steel construction and Teflon® bearings provide lasting service

C-50 Graphite AutoValve Disc for GrainPro Dapping Sets & Forming Blocks Lab Report Number: 595380904Made from C 50 graphite and drilled with nine standard 0. 025" (0. 635mm) holes, these patented replacement discs fit AutoValve crucibles for the GrainPro. Holes help ensure uniform grain size. C 50 graphite, created using isostatic pressure, a process that makes the material significantly more dense and therefore less absorptive, is ideal for working with white gold and high karat yellow gold (18 karat and higher). The denser graphite stands up