Chanical Seals
Seal Material
TEL：0574-88922374
　　 0574-88922375
　　 0574-88922376
FAX：0574-88924901
　　　0574-88950219
P.C：315500
http://www.fgkh-seals.com
E-mail:fgkh@fgkh-seals.com
SELF SINTERED SILICON CARBIDE
Terms name
 SELF SINTERED SILICON CARBIDE SELF SINTERED SILICON CARBIDE SILICON CARBIDE+CARBON
purity(％) ＞ 97 ＞90 30%
hardness(HRA) ≥90 ≥90 ≥85
grain size(um) 0.5-0.7 8-20 20-40
Density(g/cm) 3.06-3.15 ＞3.05 ＞2.65
Compressive Strength(MPa) 400-580 350-450 200
Compressive Strength(MPa) 3900 ＞2500 1800
Fracture Toughness(MPa) 3.05-4.6 4.3  
Modulus of Elasticity(GPa) 380-410 420  
Thermal Conductivity(Wm/k) 102.6 35-110 125
Coefficient of Thermal Expansion(1/℃) 4.02×10 4.3×10 3×10
Poisson Ratio 0.14 0.15  
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