Characteristics | UI - II |
Color & Appearance | White Powder |
Zinc Oxide as ZnO, % by mass(min.) | 99.5 |
Sieves Residue retained, % by mass through 325 mesh (45 microns max.) | 0.05 |
Surface Area, Sq. meter/gm, Standard | 4.0 - 6.0 5.0 |
pH value ( 10gm/100ml) | 5.0 - 8.0 |
Loss on Ignition at 950ºC, % by mass (max.) | 0.35 |
Relative density/ Sp. Gravity, at 27/27ºC | 5.50~5.65 |
Moisture content/ Heat loss at 105ºC ± 2ºC for Two hours, %by mass (max.) | 0.2 |
Matter Insoluble in HCl, % by mass (max.) | 0.05 |
Lead Content (Pb), Max. (ppm) | 2000 |
Cadmium content(Cd), Max.(ppm) | 10 |