Chemical Specifications
| S. No |
Parameters |
Unit |
Product Specifications |
| 1 |
Zinc Oxide |
% |
Min 99.50 |
| 2 |
Moisture/Heat Loss @ 105 °C / 2 Hrs |
% |
Max 0.20 |
| 3 |
Lead Oxide (PbO) |
% |
Max 0.100 |
| 4 |
Manganese (Mn) |
% |
Max 0.001 |
| 5 |
Arsenic (As) |
% |
Max 0.0006 |
| 6 |
Cadmium (Cd) |
% |
Max 0.005 |
| 7 |
Copper (Cu) |
% |
Max 0.001 |
| 8 |
Iron (Fe) |
% |
Max 0.010 |
| 9 |
Sulphur (S) |
% |
Max 0.050 |
| 10 |
Loss on Ignition @ 800 °C / 1 Hr |
% |
Max 0.35 |
| 11 |
Sieve Residue @ 44 Micron |
% |
Max 0.10 |
| 12 |
Acidity (as H₂SO₄) |
% |
Max 0.07 |
| 13 |
Acid Insoluble (in HCl) |
% |
Max 0.15 |
| 14 |
Water Solubility |
% |
Max 0.2 |
| 15 |
pH |
|
6.0 – 8.0 |
| 16 |
Surface Area (NSA) |
m²/g |
4.0 – 6.0 |
| 17 |
Bulk Density |
gm/ltr |
500.00 – 750.00 |
| 18 |
Specific Gravity at 25 °C |
|
5.60 – 5.70 |
| 19 |
Appearance |
|
White Amorphous Powder |
Note: These are general specifications; material can be tailored as per customer requirements