Custer Spar, 52
Kaolin, 7
Kaolin (calc.), 16
Whiting, 21
Talc, 4
Total, 100
Bone ash, 3.0
UGS Rutile, 2.5
QIT Red Dust (Fe2O3 donor), 2.5
Kaolin, 7
Kaolin (calc.), 16
Whiting, 21
Talc, 4
Total, 100
Bone ash, 3.0
UGS Rutile, 2.5
QIT Red Dust (Fe2O3 donor), 2.5