Patent ID: 8357737

Claim:
A polyarylene sulfide composition comprising from 15 to 50% by weight of a polyarylene sulfide (a), from 15 to 60% by weight of a metal silicon powder (b) having a silicon content of 95% by weight or more and an average particle diameter of 1 μm or more and from 5 to 60% by weight of carbon fiber (c1) having a coefficient of thermal conductivity of 100 W/m·K or more, having a flexural strength of from 116 to 144 MPa according to ASTM D-790 Method 1, a coefficient of thermal conductivity in a thickness direction of from 3.7 to 5.6 W/m·K, and a coefficient of thermal conductivity in a plane direction of from 3.8 to 6.0 W/m·K.