Produces Dramatic Color & Swirl Patterns
Wood and bone 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 by specific ratio provides additional control over color and pattern.
Big Book Catalog, Issue:69, Page:385
Big Book Catalog, Issue:69, Page:400
SPECS: Packed in 5 gal. bucket. Bone - 10x28 sieve
size, 25 lb. (11kg) weight. Wood - #6 size. 10 lb. (4.5kg)