Celanese PBT Celanex 6402 ECO-R,40% glass/mineral filled low-warpage PBT/PET blend with 25% post-consumer recycled content Same mechanical performance as virgin grade, smooth surface, excellent dimensional stability High rigidity, heat aging resistance, superior electrical and chemical resistance Sustainable low-carbon material to meet ESG and green supply chain requirements UL94 HB, RoHS & REACH compliant