feed grade zinc oxide
Minimum Order: 0
Quality/Safety Certification: 0.00
feedstuff additive Zinc oxide feedstuff additive .
PropertiesMolecular formula ZnO
Molecular weight: 81.39
white /slight yellow fine powder , specific gravity 5.56.5 , granularity 0.150.7um , refractive index is 1.952.05 , specific heat in 20 0.0915 ka. /g. , melting point 1973 , Zinc oxide evaporates in 1000 . Standard Company standard:HHXPQBYHXSLTJJ2005 Technical index:
| Item | 1# | 2# |
| Zinc oxide ( dry ), % ≥ | 99-99.9 | 95-98 |
| Zinc (Zn), % ≥ | 79.5-80.3 | 76.3-78.7 |
| lead oxide ( Pb), % ≤ | 0.001-0.003 | 0.003-0.005 |
| cadmium oxide ( Cd),% ≤ | 0.001 | 0.001 |
| Arsenic ,% ≤ | 0.001 | 0.001 |
| Fineness (pass 100um screen ) , % ≤ | 0.1-0.15 | 0.15-0.2 |
| High specific gravity , g/cm3 ≤ | 0.3-0.35 | 0.4-0.6 |
| Moisture, % ≤ | 0.1-0.2 | 0.1-0.2 |
| SO42- , % ≤ | 0.04 | 0.08 |
