Properties |
Sodium Base Bentonite |
Calcium Base Bentonite |
|
First grade |
Second grade |
||
Methyl blue g/100g ≥ |
32 |
32 |
30 |
Colloid value ml/15g ≥ |
500 |
400 |
48 |
Swelling value ml/g ≥ |
50 |
20 |
10 |
PH value |
8.0-9.5 |
8.0-9.5 |
6.5-7.5 |
Wet pressure strength Kpa ≥ |
50 |
40 |
30 |
Hot wet tension strength Kpa ≥ |
3.0 |
2.0 |
1.5 |
Moisture% ≤ |
10 |
10 |
10 |
Fineness(pass 200mesh screen)≥ |
95 |
95 |
95 |
Package |
25kg 50kg 1000kg |