[Appearance]
Cobalt is a silver-gray to black, hard, brittle, magnetic metal. It is relatively rare; the important mineral sources are the arsenides, sulfides, and oxidized forms. It is generally obtained as a by-product of other metals, particularly copper. |
[Melting point ]
1495°C |
[Boiling point ]
2900 °C (lit.) |
[density ]
1.03 g/mL at 25 °C
|
[vapor pressure ]
0Pa at 20℃ |
[storage temp. ]
no restrictions. |
[solubility ]
H2O: soluble
|
[form ]
wire
|
[color ]
Pink to red to violet |
[Specific Gravity]
8.9 |
[Stability:]
Stable, but pyrophoric in air when finely divided. Incompatible with acetylene, hydrazinium nitrate, oxidizing agents, acids. |
[Resistivity]
6.24 μΩ-cm, 20°C |
[Water Solubility ]
insoluble |
Our Advantages
1.We have high purity products, we will strictly control the quality, and we always insist on reasonable and flexible price to match the high quality.
2. Spot samples can be shipped quickly after payment, saving time for receiving goods.
3.Full experience of large numbers containers loading in Chinese sea port.
4. Have professional customs clearance capabilities and the best after-sales service.
Our Service
1.Cooperate with research institutions, we strictly control the process from raw material to finished product.
2.The customer comes first, we provide reasonable price, high quality product and prompt shipment.
3.We can send the goods to your delivery address directly. It is relatively safe and fast.
4.Quick and clear response to customers questions.
5.We could make our price discount if you place a substantial order with us.
6.Products can be packaged according to customer requirements.
FAQ
Q1: Can I get samples?
Answer: Of course you can. For most products, we can provide you with free samples, and the shipping costs should be borne by you.We also accept small quantities of 10g, 100g and 1kg orders to evaluate your quality of our products.
Q2: How to place an order for your product?
Answer: First let us know your requirements or applications. Secondly, we quote according to your request or our suggestion.Third, the customer confirms the samples and deposits for the form al order. We can offer discounts for large orders.
Q3: Can you tell us something about shipping?
Shipping can be DHL, UPS, TNT, EMS, Fedex, etc.
If you want to order in large quantities, you can do it by air or sea.
Transportation costs vary according to the mode of transportation and the country you are arriving in. You can tell me your country and mode of transportation, and we will give you the freight price as soon as possible.
Q4: How to make payment?
Payment method: T/T, L/C etc.
China
