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Ashish Garg

(1.3)
Supplier From India
Aug-03-09
Supplier : Cobalt and selenium metal powder

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Contact Details:
81/4
Durganagar
Firozabad 283203
Uttar Pradesh India
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Supplier Of Cobalt   |   Metal Powder

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Cobalt CAS 7440-48-4

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  Hebei Tianao Technology Co., Ltd
Supplier From Shijiazhuang, Hebei, China
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1. Product name: Cobalt powder
2. Purity: 99.9%min
3. Particle size: 50nm, 5-10um, 325mesh, etc
4. Cas No: 7440-48-4
5. Appearance: gray black powder




Characteristic.
Cobalt powder is gray and irregular, soluble in acid, magnetic, easy to oxidize in wet air. It is widely used in aviation,
aerospace, electrical, mechanical manufacturing, chemical and ceramic industries. Cobalt based alloys or cobalt containing alloy steels are used as high temperature heat-resistant parts and important metal materials in atomic energy industry as blades, impeller, conduit, jet engine, rocket engine, missile component and chemical equipment of turbine.

As a binder in powder metallurgy, cobalt can ensure the toughness of the hard alloy. Magnetic alloys are indispensable materials in modern electronics and mechanical and electrical industries, which are used to make various components of sound, light, electricity and magnetic materials. Cobalt is also an important part of permanent magnetic alloys. In chemical industry, cobalt isused in high alloy and anticorrosive alloy, and also used in colored glass, pigment, enamel, catalyst and desiccant.
Application
-Water atomized cobalt powder has a relatively coarse grain size, which can be used in welding materials to improve its toughness, impact resistance and wear resistance.
-Reduced cobalt powder is in fine size and high purity, can be widely used in diamond tools, powder metallurgy,
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Ceramic Dyeing Co3o4 Cobalt Oxide CAS 1307-96-6

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(3.4)
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  Hebei Tianao Technology Co., Ltd
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Cobalt oxide (Co203) is an expensive cobalt oxide with a theoretical cobalt content of 71.06%, an oxygen content of 28.94%, and a density of 6.079/cm3. It is a black amorphous powder that generates cobalt oxide (Co304) after heating. Cobalt oxide is an unstable compound and cannot be freed. The cobalt oxide commonly referred to actually still contains a certain amount of cobalt tetraoxide. Co203 is only stable in a hydrated state. This hydrate will dehydrate and transform into the intermediate oxide cobalt tetraoxide (Co304) at 265�°C. Cobalt oxide is reduced to cobalt tetraoxide (Co304) by H2 at 125�°C, reduced to CoO at 200�°C, and reduced to cobalt metal at 250�°C. Cobalt oxide is insoluble in water. After dissolving in water, it decomposes into hydrates when it encounters water. It is insoluble in water, but soluble in acid and forms corresponding salts.
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Selenium metal powder

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  Nishat Trading Company
Supplier From Tokyo, Japan
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Selenium metal powder
Selenium metal powder
Selenium metal powder 99.9%(min)-200mesh mostly used for glass industry.
Purity : se 99.9% min.
Particle : 200 mesh pass
Hs code : 2804
Origin : japan
Quality : certificate by manufacturer
Delivery : c&f
Minimum order : 250kgs.
Packaging : steel pail can of 25kgs.
Payment terms : l/c or t/t

Steel pail can of 25kgs.
Net weight : 25kgs.
Gross weight : 27kgs
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Cobalt Powders

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  Bytes Fintech
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Molecular Weight 58.93
Electrical Resistivity 6.24 microhm-cm @ 20 C
Electronegativity 1.8 Paulings
Heat of Fusion 3.64 Cal/gm mole
Heat of Vaporization 93 K-cal/gm atom at 2870 C
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Supplier Of Metal Scraps   |   Aluminium Scrap   |   Heavy Melting Scrap (HMS)   |   Crude Oil   |   Petroleum By Products   |   Bitumen, Asphalt   |   Fresh Beef   |   Fresh Chicken   |   Frozen Beef   |   Frozen Chicken   |   Soybean   |   Wheat   |   Rye   |   Fresh Lady Finger   |   IQF or Frozen Vegetables   |   Flour   |   Cocoa Powder   |   Sugar   |   Milk & Milk Products   |   Snacks   |   Cocoa Beans   |   Diesel   |   Charcoal   |   Coal   |   Coke
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  Aritech Chemazone Pvt. Ltd.
Supplier From Kurukshetra, India
Supplier Of Cobalt Powder
 
MF: Co

Chemical Name: Cobalt Powder

Purity: > 99.99%

APS: 40-50 µm (Size Customization possible)

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CAS Number 7440-48-4
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Cobalt Metal

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  Oaktree Capital Ltd.
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  Adair Mettals Ltd
Supplier From Sankt Goar, Rheinland-pfalz, Germany
Supplier Of Cobalt
 
High purity Cobalt metal pieces, element 27 sample, 2 grams 99,99% in glass vial with label. Pure cobalt metal element.

Cobalt is one of the transition metals with chemical symbol Co and atomic number 27. It is solid and silvery-grey at normal pressure and temperature, it's very strong to cut.

Cobalt metal is another dangerous metal, do not touch without latex gloves.

We suggest this element at various purity like 99,9% and 99,99% in a 7 mL or 5mL glass vial with about 2 cm of diameter.

We usually use cobalt pellet or cobalt electrolytic flakes both very shiny.

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