Group Profile

HENAN HUIXIN IMPORT & EXPORT TRADE CO., LTD.

Silicon Carbide Powders for Ceramics

Silicon carbide powder is one of the most important advanced ceramic raw materials in the world for its wide used applications due to its excellent characteristics such as chemical inertness at all temperatures, resistance to thermal shock and abrasion hardness and sinterability.

We have developed a serial high performance silicon carbide powders for the current SiC ceramic processing like as ReSiC, RBSiC and SSiC.

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1. For recrystallized applications

1.Our products for recrystallized applications are HXCer-100 and HXCer-07. The powder has excellent performances such as high purity, proper distribution, well grain shape, good hydrophilicity, good fluidity, high stacking density, high tap density and high sintering activity, is suitable for re-crystallized applications.

a. HXCer-100

Typical Technical Data

D50

(μm)

SiC

min. (%)

Fe2O3

max. (%)

Free-C

max. (%)

SiO2

max. (%)

O2

max. (%)

Stacking

Density

(g/cm3)

Tap

Density

(g/cm3)

95.0±5

99.5

0.05

0.05

0.10

0.08

1.7±0.05

2.0±0.1

 

b. HXCer-07

Typical Technical Data

D50

(μm)

BET

(m2/g)

SiC
min. (%)

Fe2O3
max. (%)

Free-C

max. (%)

SiO2

max. (%)

Free-Si

max. (%)

O2

max. (%)

pH Value

2.5±0.2

7.0-50.0

99.0

0.05

0.10

0.20

0.10

0.15

4-6

 

2. For Reaction Bonded Applications

Our featured products for reaction bonded applications are HXCer-F240 and HXCer-F1200.

a. HXCer-F240

Typical Technical Data

D50

(μm)

SiC

min. (%)

Fe2O3

max. (%)

Free-C

max. (%)

SiO2

max. (%)

pH Value

Tap Density

Min. (g/cm3)

40.0±5

99.5

0.03

0.10

0.20

6-7

1.95

b. HXCer-F1200

Typical Technical Data

D50

(μm)

SiC

min. (%)

Fe2O3
max. (%)

Free-C

max. (%)

SiO2

max. (%)

pH Value

Tap Density

(g/cm3)

3.0±0.5

99.0

0.05

0.10

0.20

4-6

1.90±0.2

 

3. For Sintered Applications

Our typical green silicon carbide powder for sintered applications. It has excellent performances such as high purity, proper distribution, high stacking density, high tap density and high sintering activity, is suitable for none-pressure sintering.

Typical Technical Data

D50

(μm)

SiC

min. (%)

Fe2O3

max. (%)

Free-C

max. (%)

SiO2

max. (%)

O2

max. (%)

BET

(m2/g)

0.45±0.02

99.0

0.05

0.15

0.20

0.15

12.0-14.0

 

Note: Special chemical compositions and sizes are also available on request.

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