Rubber Grade Zinc Oxide 99.7%min
manufacturer and exporter of zinc oxide,with ISO9001,14000 CET. reach the standard ROHS
Purity:99.8%min
inidrect method by zinc ingot
Rubber Grade Zinc Oxide is mainly used for steel radial tyre,bias tyre,sealing washer, conveyer belt,rubber tube and tape,rubber shoes,emulsion glove production
Molecular Formula : ZnO
CAS NO. : 1314-13-2
CAS NO. : 1314-13-2
EINECS: 215-222-5
Molecular Formula : ZnO
Molecular Weight : 81.38
Properties : White powder,stable under normal temperature, good hiding power and colouring power.Insoluble in water and alcohol ,soluble in acid ,alkali and amkonium solution.
Use : Zinc Oxide 99.5% Indirect Method is mainly usded for Accelerator activator, pigment, and reinforcing agent in rubber; ointment; pigment and mold growth inhibitor in paints; ceramics; floor tile; glass; zinc salts (zinc stearate etc.) feed additive; semi-conductor in electronic devices; electronic ceramics, raw material to produce zinc phosphate as steel coating.
Packing : 25Kg woven bags lined with plastic bag(special packing can be made according to clients' requirement).
Specification Industry Grade ( % ): Standard GB/T3185-2016
| index item | Super Grade | First Grade | Qualified |
| ZnO dry | 99.8%min | 99.7min | 99.5min |
| Pb | 0.005%max | 0.037max | 0.1max |
| Mn | 0.0001max | 0.0001max | 0.0001max |
| Metal Zin | none | none | none |
| Cd | 0.001%max | 0.005max | 0.005max |
| Cu | 0.0002max | 0.0002max | 0.0004max |
| Insoluble in hydrochloric acid | 0.006max | 0.008max | 0.01max |
| Loss on ignition | 0.2max | 0.2max | 0.2max |
| Screen residues(through 45 micron wet screen) | 0.1max | 0.1max | 0.15max |
| volatile( 105 degree Celsius) | 0.3max | 0.3max | 99.5min |
