... radiation.Working temperature: -40 centigrades to 65 centigrades.PP, Polypropylene, inflaming retarding, low transparency, low rigidity, good bounce impact force. Working temperature ... centigrades to 90 centigrades.PA, Polyamide 66, 94v-2 grade, inflaming retarding, good resist dissolve, good bounce inpact force. Working temperature: -30 ...