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Pressureless Silicon Carbide Seal Ring

Pressureless Silicon Carbide Seal Ring Description

Pressureless Sintered Silicon Carbide (SSiC) mechanical Seal Rings,which used in Mechanical Seal ,is made of Pressureless Sintered Silicon Carbide (SSiC). Sintered with sub-micron ultra-fine high purity silicon carbide material at 2100 °C -2150 °C high temperature. With high strength ,hardness and excellent corrosion resistance, the material is the most excellent corrosion material among the existing engineering ceramics. It can be prolonged used in an oxidizing atmosphere at 1600 °C. Excellent thermal shock resistance.

Technical Specifications of SSiC

ItemUnitsReaction sintered SiC(SiSIC)
Pressureless sintered SiC(SSIC)


ValueValue
Purity%≥90≥99
Densityg/cm³3.053.10~3.15
Hardness
HRA86≥HRA92
Elastic ModulusGpa300338
Poisson Ratio
0.150.14

Bending Strength

Mpa350-450400-580
Compressive StrengthMpa30003900
Thermal ConductivityWm/k35-110125.6
Coefficient of Heat ExpansionJ/℃4.3x10-64.02x10-6
Heat Resistance13001650



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