1, PA66: Ngokufakelwa okuhle kanye ne-Dielectric Properties, kuphephile ukuyisebenzisa
2, inokumelana okuhle kokuqina kokushisa kanye nokubuyiselwa kwamalangabi
I-3, ivolumu yesikhathi samanje, yokulahla, ukuxhumana okulula, lo mkhiqizo ube yisitifiketi se-CE