1、PEEK典型性能PEEK聚合物和化合物被認(rèn)為是可使用傳統(tǒng)熱塑加工技術(shù)片接制成構(gòu)件的性能最佳的材料。表1PEEK聚合物的常規(guī)性能性能測試方法PEEK粉末顏色N/AN/A灰黃色密度結(jié)晶態(tài)ASTMD792gem31.32非結(jié)晶態(tài)1.26典型結(jié)晶度N/A%35模具收縮率流態(tài)90。到流態(tài)N/A%0.71.2吸水性24小時,23C(73F)ASTMD570%0.5平衡,23C(73F)0.5表2PEEK聚合物的機(jī)械性能性能測試方法PEEK粉末抗拉強(qiáng)度23C(73F)ASTMD6385.08cm/min(2in.nun.1)psi14,065250C(482F)1,740拉伸延伸率斷裂，23C(73F)屈服

2、，23C(73F)ASTMD6385.08cm/min(2in.nun.1)%605切線模雖23C(73F)ASTMD638psi522,000彎曲模量23C(73F)120C(248F)250C(482F)ASTMD790psi594.500580,00043.500彎曲強(qiáng)度23C(73F)120C(248F)250C(482F)ASTMD790psi24,65014,5001,885剪切強(qiáng)度極限，23C(73F)ASTMD3846psi7,685剪切模量23C(73F)ASTMD3846psi188,500抗壓強(qiáng)度流態(tài)，23C(73F)ASTMD695psi17,11090到流態(tài),23C(

3、73F)17,255泊松比23C(73F)ASTMD638N/A0.4洛氏硬度R級M級ASTMD785N/A12699Chai-py沖擊強(qiáng)度0.08,切口,23C(73F)OOP切口,23C(73F)ISO179ft.-lb./in.6.41.5Izod沖擊強(qiáng)度OOP切口,23C(73F)無切11,23C(73F)ISO180ft.-lb./in.1.18未斷裂表3PEEK聚介物的熱學(xué)性能性能測試方法PEEK粉末熔點(diǎn)(平衡熔點(diǎn))DSCF(C)644(340)玻璃態(tài)轉(zhuǎn)化溫度DSCF(C)289(143)比熱DSCBtu/lb.F0.52熱膨脹系數(shù)(Tg)ASTMD69610$2.66.0熱變形溫

4、度ASTMD648F(C)306(152)導(dǎo)熱系數(shù)ASTMCl77Btii.m./lir.ft.2F1.73連續(xù)工作溫度UL746BF(C)500(260)表4PEEK聚合物的易燃程度.煙塵和毒氣排放水平性能測試方法PEEK粉末易燃性等級0.057m.thicknessUL94N/AV-0限氧指數(shù)0.057m.thicknessASTMD2863%6240.126m.thickness35特定光密度(Ds)0.320cm(0.126m.)燃燒中N/A19厚的樣品非燃燒N/A2燃燒中N/A500.152cm(0.06in.)非燃燒N/A5厚的樣品燃燒中min.1890%Ds非燃燒min.200.320cm(0.126m.)厚的樣品燃燒中N/A1非燃燒N/A04分鐘時的Ds值0.320cm(0.126m.)厚度的樣品毒氣排放指標(biāo)coNES713N/A0.074CO20.15氣體總量0.22表5PEEK聚合物的電學(xué)性能性能測試方法單位PEEK粉末絕緣強(qiáng)度0.005cm(0.002in.)薄膜ASTMD149KVcm190相對起痕指數(shù)23C(73F)IEC112V150損耗因數(shù)23C(73F).1MHzASTMDI50N/A0.003相對介電常數(shù)50Hz