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Coating bentonite |
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Coating bentonite |
| China huawei coating grade bentonite apply to chemical coatings, rubber, fodder, medicine, pesticide, fertilizer, cosmetics, paper making, purifying water and moisture absorption of water and other fields. |
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BP-871 coating bentonite
Items\Type |
Suspending（8 hours） |
Whiteness |
Colloid value |
Swelling value |
Notes |
| % |
Proportiong/cm3 |
| First grade |
≥98 |
7.2 |
≥85 |
≥50 |
≥15 |
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| Second grade |
≥90 |
7.5 |
≥80 |
≥48 |
≥10 |
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Physical and chemical properties of bentonite
| items\Type |
Sodium Base Bentonite |
Calcium Base Bentonite |
| Methyl biue g/100g ≥ |
32 |
30 |
| Colloid value ml/15g ≥ |
100 |
50 |
| Swelling value ml/g
≥ |
20 |
10 |
| PH value |
8.0-9.5 |
6.5-7.5 |
| Moisture%
≤ |
10 |
10 |
| Fineneess（pass 200mesh screen）≥ |
95 |
95 |
| Pakage |
25kg 50kg 1000kg |
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