Non-Setting Red Lead (Pb3O4)This is a high quality product used in the chemical industry to manufacture pigments, fireworks and paints, it is also used in the glass industry and others. Made from litharge calcined in special furnaces, with oxidizing atmosphere and temperatures electronically controlled to ensure the homogeneous manufacture of the product.
physical properties
| Color | Red |
| Shape | Powder |
| Apparent density (gr/pulg.3 scott) (x) | 23.0 / 31.0 |
| Held in 325 mesh (max.) | 1.00% |
impurities
| Element | Max. (%) | Typical (%) |
|---|---|---|
| Fe | 0.003 | 0.001 |
| Sb | 0.004 | 0.002 |
| Zn | 0.001 | 0.0002 |
| Cu | 0.002 | 0.0004 |
| Ag | 0.0095 | 0.006 |
| Bi | 0.035 | 0.018 |
| Cd | 0.001 | <0.0005 |
| Ni | 0.001 | <0.0005 |
chemical composition
| type | > 85% | > 90% | > 95% |
|---|---|---|---|
| PbO2 | 29,66% (min.) | 31.49%(min.) | 33.15% (min.) |
| Pb3O4 (red lead) | 85.0% (min.) | 90.0% (min.) | 95.0% (min.) |
| PbO (litarge) | 15.0% (min.) | 10.0% (min.) | 5.0% (min.) |
packing
| 25 Kg. bags up to 1,700 kg. big-bags each. |