BENTONITE GRANULAR 25KG

Sodium Bentonite Granular Grade

Typical Chemical (oxide) analysis (dry basis):

SiO2 

A12O3 22.30%
Fe2O3 3.26%
CaO 1.48%
MgO 2.59%
Na2O 2.48%
K2O 0.49%
TiO2 0.48%
Mn3O4 0.01%
SO3 0.08%
P2O5 0.05%
BaO 0.08%
Total 100%
Cation Exchange Capacity:
Minimum 70meq/100mg
Average 78meq/100mg
pH Average 10.2
Exhangeable Cations:
Sodium 65.60%
Calcium 20.20%
Magnesium 12.40%
Potassium 1.80%
Physical Properties:
Grit Content <3.0%
Total Moisture Maximum 10.5%
Bulk Density 1.1kg/1
Water Absorption (w/w) Minimum 650%
  Average 750%
Swell Index (m1/2mg) Minimum 18
Sizing Analysis
+3.35mm 11%
-3.35 + 1.0 mm 81%
-1.0 + 0mm 8%