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Silicon Nitride Stopper Pipe

Silicon Nitride Stopper Pipe introduction Si3N4 Stopper pipe is resistant to aluminum solution and fusion. We use silicon nitride materials to manufacture stopper pipes, heating unit production tubes, ventilation rotor shafts, liquid inlet(lift) riser tubes and other protection tubes for...

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Product Details

Silicon Nitride Stopper Pipe introduction

Si3N4 Stopper pipe is resistant to aluminum solution and fusion. We use silicon nitride materials to manufacture stopper pipes, heating unit production tubes, ventilation rotor shafts, liquid inlet(lift) riser tubes and other protection tubes for aluminum alloy casting. since advanced modern technology such as cold isostatic pressing and high remperature reaction sintering have been used ,the products have been well recognized by general customers for their high density

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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

Our Advantage

we are the experienced factory 

we have many kinds of silicon carbide and silicon nitride ceramics for you choose, such as sic plate, basion board, fish setters, sisic beam, rods, protection tubes, riser tubes, sealing pipes, degassing rotor and shaft, etc.

We can print your logo in our products.

We can customize the special size accoring to your needs

Packaging And Shipping

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

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

4.As customized requirements

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