| Sr. No. |
CHARACTERISTICS
|
REQUIREMENT |
| 1 |
Description
|
Snow
White, free flowing
powder.
|
| 2 |
Moisture % by Mass
@ 105c for 1 hour |
5.0 - 7.0 |
| 3 |
Loss on ignition
@ 850c for 1 hour |
8.0 - 10.0 |
| 4 |
Bulk Density Compact
(After 50 Taps)-gm/ml |
0.09 - 0.08 |
| 5 |
pH 5% Aqueous Slurry
|
6.8 - 7.2 |
| 6 |
Assay % by Mass
before ignition (Min) |
90.0 |
| 7 |
Assay % by Mass
after ignition ( Min) |
99.0 |
| 8 |
Iron (as Fe+++)
ppm Max. |
500 |
| 9 |
Other Metallic
Oxides - % (Max) |
1.0 |
| 10 |
Retention on 325
Mesh - % by Mass (Max) |
0.5 |
| 11 |
Oil Absorption (Linseed
Oil) Value gm/100gm – (Min.) |
200 |
| 12 |
Average Particle
Size |
12 mm |
| 13 |
BET Surface Area
– m2/gm |
180 – 200 |
Applications
