Bentonite Good quality Competitive price Large stock,Delivery in time!! ... Application fieldsItemCa-bentoniteNa-bentoniteMechanical castingGreencompression strength , Kpa≥50>50Hot wet strength,Kpa≥0.8-1. ... 0>1.5-2.0Colloidindex,ml/15g±50-70>90Moisture,%≤12≤12Methylene blue absorption ,g ... ml/15g±≥90PH value8-10.5Moisture,%≤10Sorption capacity,ml/g±≥20Mud making rate,m3/t2.5-8.7 Good quality low price ...