Paper Industry Dewatering Element Si3n4 Silicon Nitride Ceramic Part
1 . Descriptions:
Silicon nitride is a ceramic material that has been used in the paper industry for various applications. One of its most important uses is as a coating on rolls and other equipment used in paper manufacturing. Silicon nitride coatings offer several benefits, including corrosion resistance, wear resistance, and high thermal shock resistance.
In paper production, the use of silicon nitride coatings can help extend the lifespan of equipment such as rollers, blades, and guides, reducing maintenance costs and downtime. Silicon nitride coatings can also improve the quality of the finished product by providing consistent surface properties and reducing the risk of contamination.
Silicon nitride may also be used in the production of paper itself, particularly in the form of fillers or additives. The addition of silicon nitride to paper pulp can improve strength, stiffness, and durability, while also reducing shrinkage and warping. These properties make silicon nitride an attractive option for specialized paper products used in industries such as packaging, printing, and electronics.
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Product name |
Paper Industry Dewatering Element Si3n4 Silicon Nitride Ceramic Part |
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Material |
Silicon nitride |
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Size |
Customized |
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Color |
Black |
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Payment Item |
T/T,Western Union,Online payment by credit card are available |
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MOQ |
2 PCS |
2 . Advantages of silicon nitride ceramic parts
High hardness and wear resistance, both impingement and frictional modes
Superior thermal shock resistance
Low thermal expansion
Electrical insulator
Good oxidation resistance
Good chemical corrosion resistance
Wear resistant
High stiffness
3 . Applications of silicon nitride ceramic
Welding pins, jigs, fixtures and nozzles
Turbine blades
Bearing balls and rollers
Cutting tools
Valves, turbocharger rotors for engines
Diesel engine glow plugs
Molten metal handling
Thermocouple sheaths
| Silicon nitride(Si3N4)Ceramic | |||
| Properties | Unit | Pressureless Sintered | Hot pressed |
| Bulk Density | Kg/m³ | 3.2×10³ | 3.25×10³ |
| Water Absorption | % | 0 | 0 |
| Mechanical | |||
| Porosity | %(%) | 0 | 0 |
| Color | - | Black | Black |
| Flexural Strength | MPa | 610 | 880 |
| Elastic Modulus | GPa | 290 | 300 |
| Vickerts Hardness | GPa | 13.9 | 14.0 |
| Maximun Use Temperature | ºC | 1000 | 1000 |
| Thermal | |||
| Thermal Conductivity | W/mk | 20 | 30 |
| Coefficient of Thermal Expansion | 10-6/ºC(4.-800ºC) | 3.2 | 3.0 |
| Thermal Shock Resistance(20ºC) | ΔT(C) | 550 | 750 |
| Electrical | |||
| Volume Resistivity | ohm*cm | >10^12 | --- |
| Dielectric Strength | V/m | 10×10^6 | --- |
