mineral black


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Related to mineral black: Mineral blue

mineral black

[′min·rəl ¦blak]
(materials)
Black pigment made from ground slate, shale, coke, coal, or slaty coal; used in inks, plastics, and coatings.

mineral black, slate black

Black pigment obtained from crushing and grinding black earth deposits, such as slate, coal, coke, or shale.
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mineral black 325BA Specific gravity, raw material 1.
Several practical compounds utilizing common polymers have been chosen to illustrate the application of mineral black in actual recipes.
mineral black 325BA to lower pound-volume costs and decrease hysteresis Recipe Control B C 100%- 70%- 50%- N-660 N-660 N-660 30%- 50%- 325BA 325BA Nat.
The compression set remains the same or is reduced slightly upon the substitution of the mineral black for the N-550 material.