Casing member for in-vehicle camera and method of manufacturing the same

A casing member for an in-vehicle camera,

• obtained by injection molding a resin composition that comprises 100 to 300 parts by mass of a total of a fibrous inorganic filler and a non-fibrous inorganic filler to 100 parts by mass of a polyarylene sulfide resin and has a content of an elastomer of 10% by mass or less, and
• satisfying following conditions (A) and (B):
• (A) when a molded product of 80 mm×80 mm×1 mm is injection molded using the resin composition under conditions of a cylinder temperature of 320° C., a mold temperature of 140° C., and a holding pressure of 70 MPa, an absolute value of (shrinkage rate in a direction perpendicular to a flow direction)−(shrinkage rate in the flow direction) is 0.5% or less;
• and
• (B) a water absorption rate of a molded product of 80 mm×80 mm×2 mm that is injection molded using the resin composition under conditions of a cylinder temperature of 320° C., a mold temperature of 140° C., and a holding pressure of 70 MPa is 0.3% or less when subjected to a hot water immersion test at 80° C. for 300 hours.