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CAS 7440-05-3 Pd nanopowder Ultrafine Palladium as catalyst

Size:20-30nm Purity:99.95% CAS No:7440-05-3 ENINEC No.:231-115-6 Appearance:black Powder Shape:spherical
CAS 12034-80-9 niobium silicide powder NbSi2 powder 1um

We can supply different size products of niobium silicide powder according to client's requirements. Size:1-3um; Purity:99.5%;Shape:granular CAS No:12034-80-9;ENINEC No.:234-812-3
CAS 12059-14-2 nickel silicide powder Ni2Si powder 10um

Ni2Si particle,99.5% purity,granular shape,is used for Microelectronic integrated circuit, nickel silicide film,etc. Size:1-10um; CAS No:12059-14-2;ENINEC No.:235-033-1

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Supply tungsten silicide powder WSi2 used to anti-oxidation coating

Buy tungsten silicide powder WSi2 used to anti-oxidation coating, Size:1-10um; Purity:99.5%;Blue gray tetragonal crystal

CAS No:12039-88-2;ENINEC No.:234-909-0, please click it to check the specification.

Brand:
SAT NANO
Item NO.:
HP7414B-10U
Payment:
TT, Paypal, WU
Product Origin:
China
Color:
grey black powder
Shipping Port:
Shenzhen, Shanghai
Lead Time：
1-5days
Min Order:
100g

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Product Details

Application of WSi2 particle:

Tungsten silicide is insoluble in water and aqua regia, but soluble in a mixture of nitric acid and hydrofluoric acid. Used to make anti-oxidation coating and resistance wire coating agent.

Specification of WSi2 particle:

Part No.

Particle

Purity

(%)

SSA

(m2/g)

Bulk density

(g/cm3)

Density

(g/cm3)

Crystal

Color

HP7414B-10U

1-10um

99.5

9.4

granular

grey blue

Preparation method of tungsten silicide:
(1) Massage the tungsten powder and silicon powder into the ingredients at a molar ratio of 1:2, and the titanium powder and graphite powder into the ingredients at a molar ratio of 1:1, and then mix them evenly.
(2) Pack the W-Si mixed powder in the center of the crucible, and evenly install the Ti-C mixed powder between the W-Si mixed powder and the crucible, and finally put a layer of Ti-C mixed powder on top of all the mixed powders, inside the crucible The weight ratio of Ti-C mixed powder and W-Si mixed powder is (0.8~1.2):1
(3) Put the crucible containing the mixed powder into a closed reactor, evacuate and fill with argon gas, and then use a tungsten wire to energize to initiate the reaction between the mixed materials.
(4) After cooling, take out the reacted materials, separate the titanium carbide and tungsten disilicide, and obtain titanium carbide and tungsten disilicide powder after being crushed separately.

Hot Tags : tungsten silicide tungsten silicide powder tungsten silicide supplier Ti-C mixed powder tungsten silicide price W-Si mixed powder

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