Table 2a. Typical Mechanical Properties of Common Plastics
Heat Deflection Temperature, ° F
Material Izod Impact Strength, ft lb/in Minimum Median Maximum Minimum Median Maximum Minimum Median Maximum Minimum Median Maximum ABS 2.9 6.3 10.7 112.8 333.5 884.5 149 192 244 0.19 4.12 12.0 PC 40 62.7 154 1.8 2.39 6 78 127 187 0.84 16.7 37.4 PE, HD 7.6 21.3 43 0.45 0.93 1.5 38 48 86 0.36 1.44 37.4 PE, LD 7.7 10.8 64.8 0.11 0.23 0.45 38 67 101 4.49 8.42 37.4 PEEK 65 97.4 115 2.2 3.92 6.48 140 158 260 0.39 1.09 3.18 PET 2.1 38.8 90 0.9 3.15 5.2 60 70 115 0.26 1.12 1.55 PMMA 25 64 85 0.95 2.9 3.79 52 89 106 0.22 0.56 2.75 PP 8.96 25 35.2 0.75 1.35 3.5 38 57 115 0.50 4.02 13.5 PP, GF 25 60 90 1.03 4.3 6.55 60 131 190 0.26 1.80 8.42 PSU 48 88.1 185 1.72 5.64 19.3 79 178 260 0.50 1.42 7.86 PVC 1.47 16.4 59 0.0016 2.16 3.24 47 71 87 0.39 11.6 37.4 TS Epoxy 0.69 22.8 85.1 0.1 2.48 6 65 146 343 0.36 0.67 1.29 TS Epoxy, GF 83 114 150 3 14.4 19 165 226 280 0.30 0.54 0.69 TS Phenolic 41 53.2 57.9 4.1 7 8.64 160 176 226 0.39 0.51 0.60 TS Polyester 10 51.8 123 1 4.03 10.6 200 252 260 2.30 7.49 17.0 TS Polyimide 73 128 160 1.1 3.93 10.8 180 375 400 0.39 0.66 0.80 Table 2b. Typical Mechanical Properties of Common Plastics (Metric) Material Yield Stress, MPa Elastic Modulus, GPa Heat Deflection Temperature, ° C Izod Impact Strength, J/cm Minimum Median Maximum Minimum Median Maximum Minimum Median Maximum Minimum Median Maximum ABS 20 43.4 73.5 0.778 2.3 6.1 65 88.9 118 0.1 2.2 6.4 PC 40 62.7 154 1.8 2.39 6 77.8 127 187 0.45 8.92 20 PE, HD 7.6 21.3 43 0.45 0.927 1.5 37.6 47.5 86.1 0.19 0.77 20 PE, LD 7.7 10.8 64.8 0.11 0.232 0.449 38 67.4 101 2.4 4.5 20 PEEK 65 97.4 115 2.2 3.92 6.48 140 158 260 0.21 0.58 1.7 PET 2.1 38.8 90 0.9 3.15 5.2 60 70.3 115 0.139 0.6 0.83 PMMA 25 64 85 0.95 2.9 3.79 51.7 89.4 106 0.12 0.3 1.47 PP 8.96 25 35.2 0.75 1.35 3.5 37.8 57 115 0.267 2.15 7.2 PP, GF 25 60 90 1.03 4.2 6.55 60 131 190 0.14 0.96 4.5 PSU 48 88.1 185 1.72 5.64 19.3 79.4 178 260 0.267 0.76 4.2 PVC 1.47 16.4 59 0.0016 2.16 3.24 46.7 70.8 87.2 0.21 6.2 20 TS Epoxy 0.69 22.8 85.1 0.1 2.48 6 65 146 343 0.19 0.36 0.69 TS Epoxy, GF 83 114 150 3 14.4 19 165 226 280 0.16 0.29 0.37 TS Phenolic 41 53.2 57.9 4.1 7 8.64 160 176 226 0.21 0.27 0.32 TS Polyester 10 51.8 123 1 4.03 10.6 200 252 260 1.23 4 9.08 TS Polyimide 73 128 160 1.1 3.93 10.8 180 375 400 0.21 0.35 0.43 Statistical summary of available grades submitted by material suppliers (data courtesy of MatWeb.com). Yield Stress, ksi Elastic Modulus, ksi
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