calcium bentonite
2015/1/6 13:47:53
SPECIFICATION:
| GRADE | FREE SWELLING | M.B.VALUEWATER PLAT ADSORPTION | WATER PLAT ADSORPTION | GELLING INDEX |
| FOUNDRY | INSTA – 30-32ml MAXI – 28 – 30 ml SUPRA – 32-35 ml | 390 - 400 350 - 390 400 - 450 | N.A. | 75 – 80% 60 – 75% 85 – 90% |
| IOP | IOP-1 – 28-30 mI OP-2 – 30-32 ml OP-3 – 32-35 ml | 350 – 375 375 – 390 390 – 450 | 550 – 650 650 – 750 750 – 850 | 60 – 70% 70 – 80% 80 – 90% |
| Viscometer Reading at 600 rpm | Yield Point/Plastic Viscosity Ratio | Filtrate Volume | Residue of dia. > 75 micron | |
| OCMA | Min – 30 | Max. – 6 | Max.–16 cm3 | 2.5 % max. |
| API | Min – 30 | Max. – 3 | Max.–15 cm3 | 4.0 % max. |