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Si3N4 Ceramic Silicon Nitride

Si3N4 Ceramic Silicon Nitride

Si3N4 Ceramic Silicon Nitride Series by Boca Bearings introduction Riser Tube/Stalk Tube Si3N4 Ceramic for Low Pressure Die Casting Silicon Nitride Riser Tube has many excellent characteristics, such as corrosion resistance, low thermal-expansion coefficient and long service life .It is the...

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Si3N4 Ceramic Silicon Nitride Series by Boca Bearings introduction

Riser Tube/Stalk Tube Si3N4 Ceramic for Low Pressure Die Casting

Silicon Nitride Riser Tube has many excellent characteristics, such as corrosion resistance, low thermal-expansion coefficient and long service life .It is the ideal material of the metallurgy industry because of the excellent oxidation resistance, heat-shock stability and no reaction with the metal solution.

Full ceramic bearings and Si3N4 Ceramic Silicon Nitride Feature

1)High strength & good compactness

2)Low thermal espansion coefficient

3)Excellent thermal shock resistance

4)No wetting by molten aluminium and other ono-ferrous molten metal

5)Good corrosion resistance

Si3N4 Ceramic Silicon Nitride Application

Widely applied in aluminium alloys casting, non-ferrous metal metallurgy etc

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・m1/2

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

Heart   Shock Resistance

800

Maximum   Available Tempereture

1200

Quality control

1. Checking raw material before producing.

2. Checking one by one before the assebling

3. Checking one by one during the production

4. Have the random inspection before the delivery.

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Our Advantage

Excellent thermal stability and distortion resistance at high temperature.

1.High mechanical strength at high temperature.

2.Excellent thermal shock resistance.

3.High thermal conductivity.

4.Excellent oxidating resistance.

5.Excellent corrosion resistance at high temperature.

6.Excellent corrosion resistance against chemicals.

7.High abrasion resistance.

OUR SERVICE

We provide free technical service about our products and application issues.

Free on-site touring and introduction of our factory.

We provide process design and validation for free.

We can guarantee on-time delivery of samples and goods.

Close follow-up of all orders by special person and keep customers informed timely.

All after-sale request will be responded in 24 hours.

Customer questions

1. 24-hour Online service

Please feel free to contact us. Our sales team will provide you with 24 hours better pre-sale,

2. Competitive price

All of our products are supplied directly from factory. So the price is very competitive.

3. Warranty

All products have a one-two years warranty.

4. Distributor

The company now recruit distributor and agent all over the world. Prompt delivery and professional after-sales service are our priority, which makes us to be your reliable partner.


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