Wood Charcoal with just the right sieve size for crucible packing of steel parts to be hardened. Hi-carbon content without waxes or fillers gives brilliant color patterns. Mixing types of charcoal (bone and wood) by specific ratio provides additional control over color and pattern.
Wood Charcoal with just the right sieve size for crucible packing of steel parts to be hardened. Hi-carbon content without waxes or fillers gives brilliant color patterns. Mixing types of charcoal (bone and wood) by specific ratio provides additional control over color and pattern.