A flame-retardant polybutylene terephthalate (PBT) resin grade from BASF is now being used in DC contactors in a rail application. These contactors must satisfy the stringent fire prevention requirements of the French Railway Standard NF F 16-101. The 25% glass fiber-reinforced thermoplastic Ultradur B4450 G5 is based on a special flame retardant system and, with its especially good values for smoke density and toxicity, satisfies the requirements for the I3F2 classification in this standard. Tagging Options Domain: All Sites Keywords: flame retardant PBT rail connector read more
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Flame-retardant PBT for use on railways
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