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Hoover Color’s Bone Blacks are calcium phosphates derived from ground bone charcoal.  They exhibit a jet black masstone color and have good heat stability and water-system compatibility. 

Color Index

C.I. Pigment Black 9

Lightfastness

Permanent

Chemical Resistance

Excellent

Heat Stability

Excellent

Cement Compatibility

Excellent
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Bone Black #4

(masstone)

General Use Grades - These products can be used in any application that meets with the physical limitations outlined above.

Bone Black #4 (C.I. Pigment Black 9)

Bone Black #6 (C.I. Pigment Black 9)
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Site Last Modified On:  October 21, 2002.

©Copyright Hoover Color Corporation, 2001.