As a leading supplier for bentonite in China, we can supply Sodium-base Bentonite and Calcium-base Bentonite for Casting, bentonite for metallurgy Balls, Bentonite for Drilling Mud, Organic Bentonite, activated clay, cat litter and foundry bentonite with superior quality.

Chemical composition:
Specification of sodium base-bentonite
Sio2: 70+2%
Al2o3: 15.9 +1.5 %
Fe2o3: 2.3+0.1%
Feo: 0.95+0.1%
Cao: 0.96+0.1%
Mgo: 1.91+0.1%
Nao: 1.80+0.1%
P2o3: 0.04+0.01%
Tio2: 0.04+0.01%
K2o: 0.78+0.1%
Caustic soda: 0.55+0.1%
Moisture: 10% max
Swelling index: Me/g more than or equal to 20
Ph value: 9-10

Specification of calcium base-bentonite
Sio2: 68-72%
Al2o3: 13.5-16.5%
Fe2o3: Lower than 1.9%
Mgo: 2.3-2.5%
Cao: 2.4-2.6%
Tio2: Lower than 0.10%
K2o: 0.9-1.1%
Na2o: 0.3-0.5%
L. O. I: Lower than 6.5%
Size: 70-320mesh
Moisture: 15% max
Swelling index(mlg): 8-12
Sand content: 1%max
Ph value: 6.7-7.2

Packing:
25kg, 50kg, 1, 000kg/PP woven bag