Zinc Oxide 99% active free sample
Zinc Oxide / ZnO Properties
| Molecular formula | ZnO |
| Molar mass | 81.408 g/mol |
| Appearance | White solid |
| Odor | odorless |
| Density | 5.606 g/cm3 |
| Melting point | 1975 °C (decomposes)[1] |
| Boiling point | 2360 °C |
| Solubility in water | 0.16 mg/100 mL (30 °C) |
| Band gap | 3.3 eV (direct) |
| Refractive index (nD) | 2.0041 |
Zinc Oxide / ZnO Specification
| Item/Parameter | Standard |
| Zinc Oxide % ≥ | ZnO 99.5% | ZnO 99.7% | ZnO 99.8% | ZnO 99.9% |
| Metallic Zinc (in accordance with Zn) % | None | None | None | None |
| Lead oxide (PbO)%≤ | 0.05 | 0.037 | 0.001 | 0.001 |
| Cadmium oxide (CdO) % ≤ | -- | -- | 0.0005 | 0.0005 |
| Cupric oxide (CuO) % ≤ | 0.0004 | 0.0002 | 0.0002 | 0.0002 |
| As ≤ | -- | -- | 0.0005 | 0.0005 |
| Manganese (Mn) % ≤ | 0.0001 | 0.0001 | -- | -- |
| Ferro Oxide (FeO) % ≤ | -- | 0.001 | -- | -- |
| Muriatic Insoluble Substance % ≤ | 0.008 | 0.006 | 0.004 | 0.004 |
| Loss On Ignition % ≤ | 0.2 | 0.2 | -- | -- |
| Water Insoluble Substance % ≤ | 0.2 | 0.1 | -- | -- |
| Volatile 105°C % ≤ | 0.4 | 0.3 | 0.3 | 0.3 |
| Sieve Residue (45um mesh ) % ≤ | 0.1 | 0.1 | 0.1 | 0.1 |
| Surface Area % ≥ | 45 | 50 | 60 | 60 |
| Oil Absorption g/100g ≤ | -- | 14 | -- | -- |
| Reducing Power (compared with standard sample) % ≥ | -- | 100 | -- | -- |
Zinc Oxide Advantages
1.) Low MOQ:It can meet your promotional business very well.
2.) OEM Accepted:We can match any your samples.
3.) Good Service:We treat clients as friend.
4.) Good Quality:We have strict quality control system.Good reputation in the market.
5.) Fast & Cheap Delivery:We have big discount from forwarder(Long Contract).
Packing details:
Storage: Stockpiled at the ventilated place, avoiding rain, moisture and insolation. Please handle with care to prevent bag damage, store away from toxic substances.
Packing: Net 25kg/1000kg in Plastic woven bags with PE lining
Loading: 20MT/20FCL'; 20MT/20FCL' with pallets
Expiration date: For two years
