Bentonite Good quality Competitive price Large stock,Delivery in time!! Contact us now ... properties, such as swelling power, cohesiveness ,catalysis, thixotropy, suspension property and cation exchange property and so on, so ... ,°C1200-1300≥1350PH value7.89.0-9.5Drilling mudViscosity,suspension property 600r/min≥30>30Fluid loss /ml , 300min ... making rate,m3/t2.5-8.7 Good quality low price bentonite clay