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PRODUCT

Silicon Nitride Powder

    Power for silicon nitride , aluminum nitride ceramic grinding bucket abrasive . mixture bucket and balls. Silicon nitride ceramic materials have very good mechanical performances and they are widely used as mechanical pacts and cutting tools .our excellent silicon nitride powder is made of good metal silicon and after unique grinding, the powder are manufactured in the RBSN furnace and tile quality is very stable between each batch .The finished powder is divided in to two grade: micron grade mid submicron grade.

%
Average Particulatem
O wt%
N wt%
f-Si wt%
C wt%
90%
1
1.2
37.5
0.6
0.7
90%
0.5
1.5
37
0.8
0.7

 

Aluminum Nitride Powder

    Aluminum Nitride materials have very nice electrical receptivity and low dielectric constant and its thermal expansion coefficient closely matches that of silicon It is stable in high temperature and corrosion resistance and it is used widely as the plate of integrated circuit and sealing materials .It is also used as the main material for the manufacturing of BAT ceramics. We produce our ALN powder with aluminum powder in super quality with a spread method and after extra grinding ,ALN powder is obtained.

Average Particulatem
AL wt%
N wt%
O wt%
C wt%
BAT Ceramic
5
65.5
32.5
1.4
0.2
Electro component
1
65.5
32
2.0
0.3

 

Silicon nitride , silicon carbide axis and axle sleeve

   Silicon nitride and silicon carbide has very good mechanical performance and easy to be processed ,high temperature resistance ,corrosion resistance ,wear proof , magnetic sleeve are mainly used for magnetic drive pump ,chemical pump ,mortar pump, slurry pump etc., and all these part will be produced according to customers requirement. Delivery will be effected as soon as they pass strict inspection.
Material
RBSN
GPS-SN
SiC
Density(g/cm3)
2.4 - 2.7
3.25 - 3.42
2.95-3.10
Bending Strength(1200)
240 - 300
700 - 900
> 300
Fracture Toughness(Mpa m1/2)
2.8 - 3.0
6 - 8
Hardness(HRA)
80 - 85
90 - 93
88
Thermal Conductivity
Coefficient(Cal/see cm )
0.031420 - 1250棩
0.04641000棩
0.04201200棩
 

 

Spec.of axis
dia4mm -- 60mm
lengthL150mm -- 800mm

Spec.of axle sleeve
Inner dia4mm -- 300m
Outside dia10mm -- 360mm. 10mm -- 500mm

 

 

Silicon nitride ball for ball valve

   Because of the hall is high wear proof , corrosion resistance aid high temperature suitable for medium with pellet.

 

Silicon nitride ceramic grinding bucket abrasive ,mixture bucket and balls

   Compared with other ceramic materials, silicon nitride ceramics are more wear proof.

Spec
Sand grinding ball dia.2.0mm -- 12.0mm
Mixture ball dia.8.0mm -- 22.0mm
Sand grinding bucket dia.100.0mm -- 350.0mm
Mixture bucket dia.80.0mm -- 350.0mm

 

Silicon nitride plate

   Because of its high wear proof corrosion also used in the area of thermal power plant and petroleum recovery.

 

Silicon nitride and silicon carbide sealing rings.

    All these tings can be used at file conjunction area of the equipment used for gas ,liquid material transportation ,filtration , vacuum and reactors
All these sealing tings are also widely used in petrochemicals , slurry pump ,mortar pump. shipping yard and pumps in paper mill.
Material
RBSN
GPS-SN
SiC
Density(g/cm3)
2.4 - 2.7
3.25 - 3.42
2.95-3.10
Bending Strength(1200)
240 - 300
700 - 900
> 300
Fracture Toughness(Mpa m1/2)
2.8 - 3.0
6 - 8
Hardness(HRA)
80 - 85
90 - 93
88
Thermal Conductivity
Coefficient(Cal/see cm )
0.031420 - 1250棩
0.04641000棩
0.04201200棩

 

 

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