Patent ID: 8247477

Claim:
A polybutylene terephthalate resin composition for insulating parts which exhibits an improved glow-wire ignition temperature which satisfies the requirement of a 775° C. or higher glow-wire ignition temperature specified by IEC60695-2-13 at each of the test piece thicknesses of 0.75 mm, 1.5 mm and 3 mm combined with a V—O flame retardancy pursuant to the UL-94 standard, consisting essentially of: (A) 100 parts by weight of a polybutylene terephthalate resin; (B) 15 to 40 parts by weight of polypentabromobenzylacrylate flame retardant; (C) 5 to 50 parts by weight of antimony trioxide; (D) 35 to 63 parts by weight of melamine cyanurate; and (E) 30 to 100 parts by weight of glass fibrous reinforcement having a diameter of 3 to 30 μm and a length of 0.1 to 20 mm, and wherein said composition does not comprise polyethylene terepthalate, or a phosphinic acid or salt thereof.