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Pure α-SIC powder and a little additive are molded into different shapes, which are then sent to the sintering process under 2000 to 2300℃. The purity of SSIC products is above 98%, and the max. Working temperature up to 1600℃. SSIC is chemically inert to almost all kinds of acids, alkali, and strong oxidizing medium. So it's an excellent heat resistance, wear resistance and corrosion resistance ceramic material. The absence of free silicon makes it most resistant to chemically-aggressive fluids, and ideal for high temperature applications.

Alpha sintered SiC                        TECHANICAL PROPERTY DATA

Content (wt %) 

SIC>98%

Density

3.12

Hardness 

Hs120 Hv2,400

Bending Strength 

490

Flexural Strength (Gpa) 

360

Poisson’s Ratio 

0.2

Elastic Modulus 

380~410

Fracture Toughness(MN/M) 

2.4

Thermal Conductivity (W/m.K) 

147

Thermal Expansion Coefficient (I/℃) 

3.5×10-6(RT~400℃)

Heat Resistance(in the air) 

1,600℃

Thermal Shock Resistance △TMM 

200℃

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