Properties of different carbon fibers EX-Pitch Carbon fibers Density Sources of pitch Polyvinyl chloride(PvC) Pitch( Kureha Petroleum asphalt Mesophase pitch Coal tar Single-crystal graphite 2.25 4.4.3 Organic Fibers 44增强纤维 44.3有机纤维 单维增强环氧树脂 Kevlar⑥ 石墨纤锥 拉伸强度3.GPa 1000 玻璃纤维 Kevlar49:模量130GPa Kevlar1491模量180GPa 005101520253.0 4.4.3有机纤维:聚乙烯纤维 Spectra聚乙烯纤维 聚乙烯溶液 烘 CH,8 Ex-Pitch Carbon Fibers Sources of pitch Polyvinyl chloride (PVC) Petroleum asphalt Coal tar Density Young's Electrical Precursor (g/m3) modulus resistivity (GPa) (10-4 Ω−cm) Rayon 1.66 390 10 Polyacrylonitrile 1.74 230 18 Pitch (Kureha) LT 1.6 41 100 HT 1.6 41 50 Mesophase pitch LT 2.1 340 9 HT 2.2 690 1.8 Single-crystal graphite 2.25 l000 0.40 Properties of different carbon fibers Kevlar 4.4.3 Organic Fibers N N C O C O H H 4.4 增强纤维 4.4.3 有机纤维 Kevlar29：高韧性， 拉伸强度3.4GPa Kevlar49：模量130GPa Kevlar149：模量180GPa 比重：1.44 Spectra CH2 CH2 CH2 CH2 CH2 CH2 CH2 CH2 CH2 CH2 聚乙烯纤维 4.4.3 有机纤维：聚乙烯纤维 烘箱 冷却 聚乙烯溶液