Noun
polyphthalamide (plural polyphthalamides)
A thermoplastic synthetic resin containing polyamide where most of the carboxylic acid portion of the repeating unit is composed of a combination of terephthalic and isophthalic acids.
AKROMID® T1 GF 50 is a polyphthalamide (PPA)-based grade with a partially aromatic polyamide block in the polymer chain and reinforced with 50% glass fiber. Source: Internet
Kalix® 3850 WH 000 is a high performance amorphous polyphthalamide (PPA) grade reinforced with 50% glass fiber. Source: Internet
Grivory® HT2VZ-15H is an impact modified polyphthalamide (PPA) grade reinforced with 15% glass fiber. Source: Internet