Cast iron boring briquettes, free of steel and nonferrous material, hydraulically compressed into a cohesive solid, reasonably free of oil, and having a density of not less than 60 percent.
Effective as of: July 14th, 2022
RELATED SPECS
No. 1 chemical borings
Item Code: 267
New clean cast or malleable iron borings and drillings containing not more than 1 percent oil, free ...
Briquetted cast iron borings, hot process
Item Code: 268
Cast iron borings, heated, briquetted, to a density of approximately 85 percent, oil and water conte...
Malleable borings
Item Code: 270
Clean malleable iron borings and drillings, free of steel turnings, scale, lumps and excessive oil.
No. 2 chemical borings
Item Code: 271
New clean cast or malleable iron borings and drillings, containing not more than 1.5 percent oil, fr...