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Black OEM Customizable Si3N4 Silicon Nitride Ceramic with High Thermal Conductivity and High Temperature Resistance

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Black OEM Customizable Si3N4 Silicon Nitride Ceramic with High Thermal Conductivity and High Temperature Resistance

Brand Name : KEGU

Model Number : Customizable

Place of Origin : China

Price : 200-500 yuan/kg

Payment Terms : L/C,D/A,D/P,T/T,,

Supply Ability : 2,000 pcs/month

Packaging Details : Strong wooden box for Global shipping

Material : Silicon Nitride

Composition:SiC : ＞85%

Color : Black

Density : 3.20-3.26g/cm3

Max. Service Temp : 1450℃

Flexural Strength : 250MPa

Sample : Customizable

Chemical Stability : High

Apparent Porosity : 0-0.1%

Elastic Modulus : 300-320GPa

Compression Strength : >1500MPa

Vickers Hardness(HV0.5) : 15-16GPa

Thermal Conductivity : 20-25W/(m.k)

Specific Resistivity : 10^14Ω·cm

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Black OEM Non-Standard Si3N4 Silicon Nitride Ceramic
High-performance silicon nitride ceramic materials developed for the aluminum industry, offering superior thermal and mechanical properties compared to similar products. The L-shaped high thermal conductivity submerged heating appliance represents revolutionary progress for aluminum industrial equipment.
Black OEM Customizable Si3N4 Silicon Nitride Ceramic with High Thermal Conductivity and High Temperature Resistance
Special structural parts requiring exceptional thermal shock resistance represent a key growth area for silicon nitride ceramic materials. In high-temperature, corrosive, and high-wear applications, silicon nitride ceramics are increasingly replacing traditional materials like cemented carbide, alumina, zirconia, and silicon carbide.
Silicon Nitride Material Properties Comparison
Physical Properties
Main component 99%Al2O3 S-SiC ZrO2 Si3N4
Density (g/cm³) 3.9 3.1 6 3.2
Water Absorption (%) 0 0.1 0 0.1
Sinter Temperature (°C) 1700 2200 1500 1800
Mechanical Properties
Property 99%Al2O3 S-SiC ZrO2 Si3N4
Rockwell Hardness (HV) 1700 2200 1300 1400
Bend Strength (kgf/mm²) 3500 4000 9000 7000
Compression Intensity (Kgf/mm²) 30000 20000 20000 23000
Thermal Properties
Property 99%Al2O3 S-SiC ZrO2 Si3N4
Maximum working temperature (°C) 1500 1600 1300 1400
Thermal expansion coefficient (0-1000°C) (/°C) 8.0×10⁻⁶ 4.1×10⁻⁶(0-500°C)
5.2×10⁻⁶(500-1000°C)		 9.5×10⁻⁶ 2.0×10⁻⁶(0-500°C)
4.0×10⁻⁶(500-1000°C)
Thermal Shock resistance T(°C) 200 250 300 400-500
Thermal Conductivity W/m·k 31 (25°C)
16 (300°C)		 100 3 25
Electrical Properties
Property 99%Al2O3 S-SiC ZrO2 Si3N4
Resisting rate of Volume (Ω·cm) >10¹² (20°C)
10¹²-10¹³ (100°C)
>10¹² (300°C)		 10⁶-10⁸ (20°C) >10¹⁰ (20°C) >10¹¹ (20°C, 100°C, 300°C)
Insulation Breakdown Intensity (KV/mm) 18 semiconductor 9 17.7
Dielectric Constant (1 MHz) (E) 10 - 29 7
Dielectric Dissipation (tg δ) 0.4×10⁻³ - - -
Black OEM Customizable Si3N4 Silicon Nitride Ceramic with High Thermal Conductivity and High Temperature Resistance

Product Tags:

High Thermal Conductivity Silicon Nitride Ceramic

      

High Temperature Resistance Si3N4 Ceramic

      

Customizable Ceramic Structural Part

      
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