| 摘要 |
A polyester resin composition is provided to ensure good surface of molded product and excellent gloss, especially, low volatilization property and excellent strength, and to be suitable for vehicle headlamp vessel. A polyester resin composition has tensile strength of 580~650 kg/cm^2, impact strength of 3~5 kg.cm/cm, and 6% or less of Haze property after aging for 4 hours at 200 °C. The composition comprises polybutylene terephthalate 100.0 parts by weight; polyethylene terephthalate 20~60 parts by weight; a phosphorous-based compound 0.2-0.8 parts by weight represented by chemical formula 1; a silicon-based compound 0.2-0.5 parts by weight represented by chemical formula 2; and talc 5~30 parts by weight.
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