A polycarbonate resin composition which has high rigidity, excellent dimensional stability, and low linear expansion properties. The polycarbonate resin composition contains, relative to 100 parts by mass of a polycarbonate resin (A), 10 to 100 parts by mass of an acrylonitrile-styrenic copolymer (B), 10 to 100 parts by mass of glass flakes (C) having an average thickness of 0.45 to 1 μm, and 5 to 50 parts by mass of glass fibers (D) having an elliptical cross section with an ellipticity of more than 1.5 and not more than 8, wherein the mass ratio (D)/(C) of the content of the glass fibers (D) having an elliptical cross section to the content of the glass flakes (C) is 0.1 to 1.
一种聚
碳酸酯
树脂组合物,其具有高刚性、优异的尺寸稳定性和低线性膨胀率。该聚
碳酸酯
树脂组合物包含:相对于100质量份的聚
碳酸酯
树脂(A),10至100质量份的
丙烯腈-苯乙烯共聚物(B),10至100质量份的平均厚度为0.45至1微米的
玻璃片(C),以及5至50质量份的具有椭圆截面(椭圆率为1.5以上且不超过8)的
玻璃纤维(D),其中
玻璃纤维(D)的质量含量与
玻璃片(C)的质量含量的比值(D)/(C)为0.1至1。