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Silicon Nitride Degassing Rotor

Silicon Nitride Degassing Rotor Introduction Graphite rotor is made of high purity graphite, its surface with a special anti-oxidation treatment, service life is 3 times of common products. Graphite rotor is widely used to degassing in aluminum and aluminum alloy casting industry. Charcteristics...

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Silicon Nitride Degassing Rotor Introduction

Graphite rotor is made of high purity graphite, its surface with a special anti-oxidation treatment, service life is 3 times of common products. Graphite rotor is widely used to degassing in aluminum and aluminum alloy casting industry.

Charcteristics of silicon nitride riser tube

Item

Material

Unit

Silicon Nitride

Bulk density

g/cm3

3.2

Water absorption

%

0

Flexural strength

MPa

750

Young's Modulus of Elasticity

Gpa

280

Fracture Toughness

MPa・m 1/2

6.5

Poisson's Ratio

_

0.28

Vickers Hardness

Gpa

13

Coefficient of Linear Thermal Expansion

×10-6/℃

3.4

Thermal Conductivity

W/(m・k)

30

Specific Heat

J/(g・k)

0.65

Volume Resistivity

Ω・cm

>1014

Heat Shock Resistance

800

Maximum Available Temperature

1200

Advantage of  Aluminum degassing anti-oxidation graphite rotor

Silicon nitride degassing rotor for purification of aluminum melting.Silicon nitride rotor includes impeller and shaft.

Used in the aluminum and zinc casting industries, nitrogen, argon or carbon tetrachloride are injected and sprayed into molten metal through silicon nitride rotors for dehydrogenation. It can eliminate the bubbles inside the castings and improve their inner quality. Injects inert gases into the Metallic solution.Silicon nitride rotor is an appropriate product which could be used in depuration to dispose hydrogen of molten Aluminum.

Packaging

We ensure to offer safe package and fast delivery for all our customers .

1.for big size cylinders : plastic pallet

2.for small size cylinders :polywood case with inner foam 

Shipping

1.By sea / By air / By courier (DHL, UPS, TNT, FEDEX, EMS express are available )

2.As customized requirements

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