Product
PENCIL GRADE
It is a very special grade of bentonite used by the pencil industries as a lead binder. Very selective bentonite having good binding properties even after grinding to fineness of 400 B.S. mesh is used to prepare this grade.
TYPICAL PHYSICAL PROPERTIES
| Form | Finaliy Divided Powder |
|---|---|
| Free Swelling | 23 to 25 ml. |
| PH | 8.5 to 9.5 |
| Moisture | 12% max. |
| Fineness | 99.95% through 500 B.S. Sieve |
| Bulk Density 20/25 | 0.800 |
