Rubber & Tyer Grade
| Sr. No. | Description of Test | Specification / Lmited |
|---|---|---|
| 1 | Appearance | White free flowing powder |
| 2 | Packing | 25 Kgs. |
| 3 | pH (5 % w/v) Aq. Sus. | 6.5 to 7.5 |
| 4 | BET Surface area | 160-190 m2/gm |
| 5 | Moisture Content (at 105® C for 2 hr ) | 5.0 % (Max) |
| 6 | Bulk Density Before Tapping Bulk Density after Tapping |
Gm/ml, 0.10 max. Gm/ml, 0.15 max. |
| 7 | Loss on Ignition ( at 1000 C for 2 hrs. on anhydrous basis) | 6.0 % ( Max ) |
| 8 | SiO2 on Anhydrous Basis | 98.0 % ( Min ) |
| 9 | Soluble Salt | 2.0 % ( Max ) |
| 10 | DBP Oil Absorption | 230 % ( Min ) |
END PROPERTIES:
- Improves rolling resistance, wet traction & other dynamic properties.
- Give re-inforcing properties to tyres
- Improves tear resistance and abrasion resistance
- Give re-inforcing properties to tyres
- Provides higher tensile strength , long life and durability.