Description:
Amorphous thermoplastic based on therephtalic acid, phthalic acid and bisphenole A groups implemented in the polymer chain; PAR is a weather resistant, partly aromatic polyester.
Usage:
PAR is used instead of polycarbonates in sectors for which their thermal resistance is insufficient. The higher price of PARs is then a tolerable flaw.
Formula:

Category:
Thermoplastic