作者: Takashi Nonaka , Tsunefumi Aizawa
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摘要: Glass fibers having non-circular cross sections, excellent strength and modulus of elasticity, a fiber-reinforced resin compact using the same are provided. The glass sections obtained by spinning molten prepared melting composition as raw material for fibers. have in which content SiO 2 is 57.0 to 63.0% mass, Al O 3 19.0 23.0% MgO 10.0 15.0% mass CaO 5.5 11.0% relation total amount fibers, ratio CaO, MgO/CaO falls within range from 0.8 2.0.