poly(butylene terephthalate) news

All news on poly(butylene terephthalate) (also known as Ultradur, PBT, and poly(1,4-butylene terephthalate)): plants, production capacities, investments and involved companies.

5 June 2026

Clariant expands Daya Bay capacity and extends Exolit™ OP range for e-mobility

CHF 100 million Daya Bay expansion with second line operational in November; new halogen-free PBT Exolit OP grades for 800V+ e-mobility; ATO-free options and AP 422 A (melamine <0.1%).
4 May 2026

BASF Engineering Plastics Certified to EN 45545 Railway Standard

Ultramid and Ultradur grades certified to EN 45545 for railway E&E. Halogen‑free flame retardants (intumescent, Mg(OH)2), color‑independent approval and defined thicknesses for design freedom.

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