[...]... @ 1. 82 MPa (°C) 73.8 13 8 54 15 9 84 .1 105 93.8 69 52 82.7 81. 4 11 0 68 72.4 69 Tensile strength, MPa 2.5 11 .7 2.5 8.96 2.6 3 3.5 2.3 2.3 2.83 2.76 11 2 .1 3 3.2 Tensile modulus, GPa Comparative Properties of Thermoplastics (Continued)49,50 Material TABLE 1. 2 64 69 267 10 1 75 53 59 694 53 53 59 10 1 288 21 133 Impact strength, J/m 1. 24 1. 67 1. 09 1. 56 1. 37 1. 27 1. 32 1. 20 1. 31 1 .14 1. 13 1. 70 1. 19 1. 19 1. 42... 1. 10 0 .17 0 .18 2.5 1. 3 36 88 1. 26 2.3 Tensile modulus, GPa 293 18 1 59 346 43 320 12 8 373 NB NB 202 18 7 17 3 346 210 347 Impact strength, J/m 1. 4 1. 4 1. 05 1. 18 0.90 1. 43 0.83 0.95 0.92 0. 91 1.77 2 .12 2.2 1. 19 1. 30 1. 18 Density g/cm3 25.6 34.0 19 .7 18 .1 25.6 12 .2 27.6 18 .9 18 .9 10 .2 22.2 17 .7 12 .8 16 .7 15 .7 Dielectric strength, MV/m 5.5 3.4 2.5 6.5 2.2 4 .1 2.3 2.3 2.25 10 .0 2.6 2 .1 4.8 5.5 3.0 Dielectric... Olive oil Glycerin Polymer melts Pitch Plastics Glass TABLE 1. 6 1. 15 Viscosity (Pa-s) 10 –5 10 –3 10 –2 10 1 1 10 2 – 10 6 10 9 10 12 10 21 Typical Shear Rates for Selected Processes52 Process Compression molding Calendering Extrusion Injection molding Shear rate (s -1) 1 10 10 10 0 10 0 1, 000 1, 000 10 ,000 FIGURE 1. 12 The effect of shear rate and temperature on viscosity, where T1 > T2 > T3 tures, materials such... subject to the Terms of Use as given at the website 350–380 265–295 210 –270 19 0– 215 17 5–220 260–300 300–360 220–275 200–250 350–380 18 0–300 200–270 18 0–230 18 5–205 17 5–200 14 0–225 PET/PETP PMMA POM-H POM-CO PPO-M PPS PP GPPS PSU PVDF SAN TPU/PUR UPVC PPVC EVA Melt temp range, °C 15 –40 30–50 30–60 15 –70 40–80 30 12 0 10 0 15 0 10 –80 30–80 13 5 16 0 60 11 0 40 12 0 40 12 0 60–90 12 0 14 0 14 0 16 0 Mold temp range,... given at the website 250–265 220–260 19 0–230 16 0–230 300–380 200–270 230–280 260–290 240–300 220–260 280–320 18 5–220 19 5–255 360–380 205–280 18 0–280 16 0–280 ABS BDS CA/CAB/CAP FEP HIPS/TPS PA6 PA66 PA 11/ PA12 PBT PC PEBA PEEL PEEK PE-HD PE-LD PE-LLD Melt temp range, °C 10 –60 10 –60 10 –60 16 0 17 0 10 –70 20–40 80 12 0 20 11 0 30 10 0 20 10 0 60–90 10 –80 200–240 40–80 10 –60 60–90 40–80 Mold temp range, °C Injection... Terms of Use as given at the website 68 93 68 PUR PS PVC—rigid PVC—flexible 35.8 10 2 PP 9.6 44.4 45 .1 59.4 42.7 PI 38.2 23.6 74 HDPE 11 .6 25.9 PMP 43 10 2 LDPE PB 49.2 PVDF 90 50.9 34 PCTFE 69 CAB 37.6 17 .1 68 CA 41 Tensile strength, MPa PTFE 99 ABS Heat deflection temperature @ 1. 82 MPa (°C) Comparative Properties of Thermoplastics 49,50 Material TABLE 1. 2 2.75 3 .1 1.24 1. 6 3.7 1. 10 0 .17 0 .18 2.5 1. 3... J/m 1. 24 1. 67 1. 09 1. 56 1. 37 1. 27 1. 32 1. 20 1. 31 1 .14 1. 13 1. 70 1. 19 1. 19 1. 42 Density g/cm3 16 .7 17 .7 15 .7 21. 3 16 .1 28 15 15 .7 23.6 16 .5 20 .1 15.2 19 .7 19 .7 Dielectric strength, MV/m 3.5 3 .1 3.9 3.6 3.5 3.2 3.2 3.3 4.0 3.8 4.6 3 .1 3.7 3.7 Dielectric constant @ 60 Hz INTRODUCTION TO POLYMERS AND PLASTICS 1. 8 Downloaded from Digital Engineering Library @ McGraw-Hill (www.digitalengineeringlibrary.com)... temp range, °C Injection Molding Guidelines for Unfilled Materials 53 ASA Material TABLE 1. 7 65 65 65 15 0 90 12 0 70–80 12 0 12 0 15 0 85 85 10 5 80 10 5 65–70 15 0 55–85 60 80–85 80–85 Drying temp., °C 3 3 3 3 10 2–6 2–4 2.5–5.5 3–5 5 12 12 16 3–4 2–4 3–4 1 2–4 2–4 Drying times, hr INTRODUCTION TO POLYMERS AND PLASTICS 1. 25 Downloaded from Digital Engineering Library @ McGraw-Hill (www.digitalengineeringlibrary.com)... TABLE 1. 7 50–60 65 65 80 70–75 80 13 5 15 0 70 80 15 0 10 0 11 0 11 0 75 13 5 16 5 13 5 15 0 Drying temp., °C 8 2 2–3 3 3–4 2–4 3–4 2–3 2–3 3–6 2 2–3 2–3 2–4 2–4 3–4 Drying times, hr INTRODUCTION TO POLYMERS AND PLASTICS 1. 26 Downloaded from Digital Engineering Library @ McGraw-Hill (www.digitalengineeringlibrary.com) Copyright © 2006 The McGraw-Hill Companies All rights reserved Any use is subject to the Terms of. .. accessible through the use of shift factors (aT) and the equation below: 17 .44 ( T – T g ) t ln a T = ln ⎛ - ⎞ = – -⎝ t o⎠ 51. 6 + T – T g (1. 7) where Tg is the glass transition temperature of the polymer 1. 4.2 Failure Behavior The design of plastic parts requires the avoidance of failure without overdesign of the part, leading to increased part weight The type of failure can depend on . 210 10 5 3 53 1. 27 28 3.2 PES 203 84 .1 2.6 75 1. 37 16 .1 3.5 PET 224 15 9 8.96 10 1 1. 56 21. 3 3.6 PPO (modified) 10 0 54 2.5 267 1. 09 15 .7 3.9 PPS 260 13 8 11 .7 69 1. 67 17 .7 3 .1 PSU 17 4 73.8 2.5 64 1. 24. 99 41 2.3 347 1. 18 15 .7 3.0 CA 68 37.6 1. 26 210 1. 30 16 .7 5.5 CAB 69 34 .88 346 1. 19 12 .8 4.8 PTFE 17 .1 .36 17 3 2.2 17 .7 2 .1 PCTFE 50.9 1. 3 18 7 2 .12 22.2 2.6 PVDF 90 49.2 2.5 202 1. 77 10 .2 10 .0 PB. of Use as given at the website. INTRODUCTION TO POLYMERS AND PLASTICS 1. 8 POM 13 6 69 3.2 13 3 1. 42 19 .7 3.7 PMMA 92 72.4 3 21 1 .19 19 .7 3.7 Polyarylate 15 5 68 2 .1 288 1. 19 15 .2 3 .1 LCP 311 11 0