Rock phosphate
Bentonite granular
Bentonite
Ground granulated blast furnace slag(ggbs)
Phosphate rock
Kaolin
Silica sand
Blast Furnace Slag
Fine Processed Ball Clay
Silica sand
Class f fly ash
Ball Clay
Silica sand
Fly ash, class f and class c
Rock phosphate and paper
Kaolin powder or met kaolin