Suplly Bentonite as foollows:

Chemical composition

1) SiO2: 57.13 - 73.50

2) Al2O3: 12.48 - 18.70

3) Fe2O3: 1.1 - 3.80

4) FeO: 0.00 - 0.36

5) F2O2: 0.05 - 0.95

6) MgO: 2.06 - 4.57

7) Na2O: 0.06 - 2.33

8) CaO: 1.43 - 1.84

9) K2O: 0.05 - 3.27

Craft performance:

1) Methylene blue absorption (g/100g): >32

2) Gum character interposition (ml): 100

3) Damp intensity of pressure degree (kg/cm2): >0.40

4) Damp drawing intensity (g/cm2): >30

5) Hollow intensity of pressure degree (kg/cm2): >5.5

6) Size (200μm %): >95

7) Build thick liquid (m3/T): 12

8) Moisture (%): 12-16

9) Scorching reduction (%): <7

10) Swelling rate: >12