Fiber Polyimide, nke a makwaara dị ka eriri P84, bụ eriri na-eguzogide okpomọkụ nke nwere oke okpomọkụ dị elu.Na 300 ℃ maka 100 h, ike njigide ọnụego bụ 50%, elongation na-ebelata site 5% ~ 10%, na ikpughe ọnụego bụ 250 H, ike njigide ọnụego nke 45%, magburu onwe akụkụ kwụsie ike na 275 ℃, ọ dịghị agbaze. , iko okpomọkụ nke 315 ℃, na-ahapụ obere emerụ gas mgbe decomposition.Ọ nwere ike na-agba ọsọ nọgidere na 260 ℃ na ozugbo na-arụ ọrụ okpomọkụ nwere ike iru 280 ℃.