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Westlake Plastics

Overview of materials for Polypropylene, Molded
Categories: Polymer; Thermoplastic; Polypropylene (PP); Polypropylene, Molded
Material Notes: This property data is a summary of similar materials in the MatWeb database for the category "Polypropylene, Molded". Each property range of values reported is minimum and maximum values of appropriate MatWeb entries. The comments report the average value, and number of data points used to calculate the average. The values are not necessarily typical of any specific grade, especially less common values and those that can be most affected by additives or processing methods.
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Physical PropertiesMetricEnglishComments
Density 0.880 - 2.40 g/cc0.0318 - 0.0867 lb/in³Average value: 0.931 g/cc Grade Count:1199
Water Absorption 0.000 - 0.800 %0.000 - 0.800 %Average value: 0.0663 % Grade Count:114
Moisture Absorption at Equilibrium 0.100 %0.100 %Average value: 0.100 % Grade Count:61
Water Absorption at Saturation 0.100 %0.100 %Average value: 0.100 % Grade Count:3
Particle Size 300 - 1000 µm300 - 1000 µmAverage value: 675 µm Grade Count:4
Maximum Moisture Content  0.250 - 0.250
@Temperature 120 - 120 °C		0.250 - 0.250
@Temperature 248 - 248 °F		Average value: 0.250 Grade Count:1
 0.250 - 0.250
@Time 299 - 299 sec		0.250 - 0.250
@Time 0.0830 - 0.0830 hour		Average value: 0.250 Grade Count:1
Linear Mold Shrinkage 0.000500 - 0.0250 cm/cm0.000500 - 0.0250 in/inAverage value: 0.0134 cm/cm Grade Count:240
 0.0150 - 0.0200 cm/cm
@Temperature 80.0 - 80.0 °C		0.0150 - 0.0200 in/in
@Temperature 176 - 176 °F		Average value: 0.0175 cm/cm Grade Count:3
Linear Mold Shrinkage, Transverse 0.00600 - 0.0200 cm/cm0.00600 - 0.0200 in/inAverage value: 0.0128 cm/cm Grade Count:33
 0.0150 - 0.0200 cm/cm
@Temperature 80.0 - 80.0 °C		0.0150 - 0.0200 in/in
@Temperature 176 - 176 °F		Average value: 0.0175 cm/cm Grade Count:3
Melt Flow 0.200 - 1800 g/10 min0.200 - 1800 g/10 minAverage value: 28.9 g/10 min Grade Count:1322
Base Resin Melt Index 0.500 - 50.0 g/10 min
@Temperature 230 - 230 °C		0.500 - 50.0 g/10 min
@Temperature 446 - 446 °F		Average value: 14.9 g/10 min Grade Count:19
Ash 0.000 - 26.0 %0.000 - 26.0 %Average value: 1.83 % Grade Count:17
 57.0 - 63.0 %
@Temperature 625 - 625 °C		57.0 - 63.0 %
@Temperature 1160 - 1160 °F		Average value: 14.2 % Grade Count:6
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell R 20.0 - 11820.0 - 118Average value: 94.6 Grade Count:594
Hardness, Shore D 30.0 - 83.030.0 - 83.0Average value: 67.5 Grade Count:111
Ball Indentation Hardness 45.0 - 106 MPa6530 - 15400 psiAverage value: 72.5 MPa Grade Count:37
Tensile Strength, Ultimate 9.00 - 80.0 MPa1310 - 11600 psiAverage value: 29.5 MPa Grade Count:207
Tensile Strength, Yield 4.00 - 369 MPa580 - 53500 psiAverage value: 31.5 MPa Grade Count:1184
Film Elongation at Break, MD 93.0 - 530 %93.0 - 530 %Average value: 258 % Grade Count:3
Elongation at Break 2.40 - 900 %2.40 - 900 %Average value: 159 % Grade Count:421
 8.00 - 14.0 %
@Temperature -17.7 - -17.7 °C		8.00 - 14.0 %
@Temperature 0.126 - 0.126 °F		Average value: 9.70 % Grade Count:10
Elongation at Yield 1.80 - 160 %1.80 - 160 %Average value: 10.5 % Grade Count:869
Modulus of Elasticity 0.00800 - 8.25 GPa1.16 - 1200 ksiAverage value: 1.69 GPa Grade Count:334
Tenacity 0.203 - 0.397 N/tex2.30 - 4.50 g/denierAverage value: 0.302 N/tex Grade Count:12
Flexural Yield Strength 20.0 - 180 MPa2900 - 26100 psiAverage value: 44.2 MPa Grade Count:69
Flexural Modulus 0.0260 - 10.0 GPa3.77 - 1450 ksiAverage value: 1.43 GPa Grade Count:1090
 0.410 - 0.410 GPa
@Temperature 90.0 - 90.0 °C		59.5 - 59.5 ksi
@Temperature 194 - 194 °F		Average value: 0.410 GPa Grade Count:1
Shear Modulus 0.680 - 0.920 GPa98.6 - 133 ksiAverage value: 0.757 GPa Grade Count:10
Secant Modulus 1.14 - 1.97 GPa165 - 286 ksiAverage value: 1.47 GPa Grade Count:19
Izod Impact 8.00 - 10.0 J5.90 - 7.38 ft-lbAverage value: 9.00 J Grade Count:3
Izod Impact, Notched 0.0170 J/cm - NB0.0318 ft-lb/in - NBAverage value: 0.732 J/cm Grade Count:894
 0.0400 - 99.99 J/cm
@Temperature -40.0 - 0.000 °C		0.0749 - 187.3 ft-lb/in
@Temperature -40.0 - 32.0 °F		Average value: 0.522 J/cm Grade Count:96
 1.00 - 1.35 J/cm
@Temperature -20.0 - -20.0 °C		1.87 - 2.53 ft-lb/in
@Temperature -4.00 - -4.00 °F		Average value: 0.522 J/cm Grade Count:2
 1.00 - 1.35 J/cm
@Diameter 3.17 - 3.17 mm		1.87 - 2.53 ft-lb/in
@Diameter 0.125 - 0.125 in		Average value: 0.522 J/cm Grade Count:2
Izod Impact, Unnotched 0.196 J/cm - NB0.367 ft-lb/in - NBAverage value: 7.26 J/cm Grade Count:67
 2.1356 - 10.678 J/cm
@Temperature -18.0 - -17.8 °C		4.0009 - 20.004 ft-lb/in
@Temperature -0.400 - 0.000 °F		Average value: 6.41 J/cm Grade Count:2
Izod Impact, Notched (ISO) 1.50 - 21000 kJ/m²0.714 - 9990 ft-lb/in²Average value: 9.07 kJ/m² Grade Count:148
 1.10 - 62.0 kJ/m²
@Temperature -40.0 - 2.00 °C		0.523 - 29.5 ft-lb/in²
@Temperature -40.0 - 35.6 °F		Average value: 5.79 kJ/m² Grade Count:37
Izod Impact, Unnotched (ISO) 60.0 kJ/m² - NB28.6 ft-lb/in² - NBAverage value: 80.0 kJ/m² Grade Count:8
Charpy Impact Unnotched 0.300 J/cm² - NB1.43 ft-lb/in² - NBAverage value: 7.51 J/cm² Grade Count:155
 0.480 J/cm² - NB
@Temperature -50.0 - 0.000 °C		2.28 ft-lb/in² - NB
@Temperature -58.0 - 32.0 °F		Average value: 4.31 J/cm² Grade Count:111
Charpy Impact, Notched 0.140 - 1000 J/cm²0.666 - 4760 ft-lb/in²Average value: 1.27 J/cm² Grade Count:259
 0.100 - 999.9 J/cm²
@Temperature -40.0 - 10.0 °C		0.476 - 4759 ft-lb/in²
@Temperature -40.0 - 50.0 °F		Average value: 0.524 J/cm² Grade Count:147
Gardner Impact 0.904 - 67.8 J0.667 - 50.0 ft-lbAverage value: 18.2 J Grade Count:71
 1.99983 - 63.2716 J
@Temperature -30.0 - 0.000 °C		1.47500 - 46.6667 ft-lb
@Temperature -22.0 - 32.0 °F		Average value: 21.6 J Grade Count:27
 15.0225 - 32.9916 J
@Temperature -30.0 - -28.9 °C		11.0800 - 24.3334 ft-lb
@Temperature -22.0 - -20.0 °F		Average value: 21.6 J Grade Count:10
 15.0225 - 32.9916 J
@Thickness 3.17 - 3.20 mm		11.0800 - 24.3334 ft-lb
@Thickness 0.125 - 0.126 in		Average value: 21.6 J Grade Count:10
Falling Dart Impact 4.98 - 28.0 J3.67 - 20.7 ft-lbAverage value: 10.8 J Grade Count:5
Instrumented Impact Total Energy 5.00 - 40.0 J3.69 - 29.5 ft-lbAverage value: 24.9 J Grade Count:6
Tensile Creep Modulus, 1 hour 550 - 700 MPa79800 - 102000 psiAverage value: 657 MPa Grade Count:7
Tensile Creep Modulus, 1000 hours 220 - 440 MPa31900 - 63800 psiAverage value: 349 MPa Grade Count:7
Tear Strength 20.2 - 226 kN/m115 - 1290 pliAverage value: 102 kN/m Grade Count:7
Compression Set 16.0 - 65.0 %16.0 - 65.0 %Average value: 33.2 % Grade Count:4
Film Tensile Strength at Break, MD 3.10 - 152 MPa450 - 22000 psiAverage value: 70.1 MPa Grade Count:3
Tangent Modulus 1290 - 3260 MPa187000 - 472000 psiAverage value: 1920 MPa Grade Count:4
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 1000 - 1.00e+18 ohm-cm1000 - 1.00e+18 ohm-cmAverage value: 1.21e+17 ohm-cm Grade Count:107
Surface Resistance 10.0 - 1.00e+15 ohm10.0 - 1.00e+15 ohmAverage value: 9.11e+13 ohm Grade Count:96
Static Decay 0.0100 - 2.00 sec0.0100 - 2.00 secAverage value: 0.646 sec Grade Count:8
Dielectric Constant 2.20 - 2.382.20 - 2.38Average value: 2.30 Grade Count:63
Dielectric Strength 19.7 - 140 kV/mm500 - 3560 kV/inAverage value: 131 kV/mm Grade Count:63
Dissipation Factor 0.0000700 - 0.003000.0000700 - 0.00300Average value: 0.000410 Grade Count:61
Arc Resistance 88.0 - 136 sec88.0 - 136 secAverage value: 104 sec Grade Count:3
Comparative Tracking Index 550 - 600 V550 - 600 VAverage value: 598 V Grade Count:77
Tribocharge 10.0 V10.0 VAverage value: 10.0 V Grade Count:3
 
Thermal PropertiesMetricEnglishComments
CTE, linear 18.0 - 185 µm/m-°C10.0 - 103 µin/in-°FAverage value: 114 µm/m-°C Grade Count:109
Melting Point 61.0 - 220 °C142 - 428 °FAverage value: 160 °C Grade Count:266
Crystallization Temperature 110 - 115 °C230 - 239 °FAverage value: 111 °C Grade Count:5
Maximum Service Temperature, Air 65.0 - 125 °C149 - 257 °FAverage value: 79.4 °C Grade Count:24
Deflection Temperature at 0.46 MPa (66 psi) 37.8 - 160 °C100 - 320 °FAverage value: 100 °C Grade Count:983
Deflection Temperature at 1.8 MPa (264 psi) 37.0 - 172 °C98.6 - 341 °FAverage value: 62.9 °C Grade Count:291
Vicat Softening Point 35.0 - 160 °C95.0 - 320 °FAverage value: 122 °C Grade Count:377
Heat Distortion Temperature 85.0 - 115 °C185 - 239 °FAverage value: 96.1 °C Grade Count:9
Minimum Service Temperature, Air -30.0 °C-22.0 °FAverage value: -30.0 °C Grade Count:5
Brittleness Temperature -20.0 °C-4.00 °FAverage value: -20.0 °C Grade Count:16
UL RTI, Electrical 65.0 - 221 °C149 - 430 °FAverage value: 147 °C Grade Count:5
UL RTI, Mechanical with Impact 65.0 - 221 °C149 - 430 °FAverage value: 147 °C Grade Count:5
UL RTI, Mechanical without Impact 65.0 - 221 °C149 - 430 °FAverage value: 147 °C Grade Count:5
Flammability, UL94 HB - V-0HB - V-0Grade Count:111
Oxygen Index 25.0 - 27.0 %25.0 - 27.0 %Average value: 26.0 % Grade Count:4
Glow Wire Test 850 - 960 °C1560 - 1760 °FAverage value: 905 °C Grade Count:4
DSC Induction Temperature 142 - 165 °C288 - 329 °FAverage value: 159 °C Grade Count:8
 
Optical PropertiesMetricEnglishComments
Haze 0.200 - 91.0 %0.200 - 91.0 %Average value: 29.5 % Grade Count:106
Gloss 30.0 - 160 %30.0 - 160 %Average value: 76.0 % Grade Count:39
Yellow Index -6.00 - 2.44 %-6.00 - 2.44 %Average value: -0.702 % Grade Count:8
Transmission, Visible 0.500 - 99.0 %0.500 - 99.0 %Average value: 83.4 % Grade Count:25
 
Processing PropertiesMetricEnglishComments
Processing Temperature 87.8 - 274 °C190 - 525 °FAverage value: 209 °C Grade Count:56
Nozzle Temperature 190 - 270 °C374 - 518 °FAverage value: 217 °C Grade Count:15
Melt Temperature 40.0 - 320 °C104 - 608 °FAverage value: 225 °C Grade Count:135
Head Temperature 200 - 230 °C392 - 446 °FAverage value: 213 °C Grade Count:4
Mold Temperature 4.00 - 91.0 °C39.2 - 196 °FAverage value: 40.9 °C Grade Count:117
Drying Temperature 65.6 - 105 °C150 - 221 °FAverage value: 84.1 °C Grade Count:34
Moisture Content 0.0200 - 1.00 %0.0200 - 1.00 %Average value: 0.290 % Grade Count:16
Injection Pressure 2.76 - 103 MPa400 - 15000 psiAverage value: 59.5 MPa Grade Count:33
Cure Time 0.0250 - 0.0417 min0.000417 - 0.000694 hourAverage value: 0.0333 min Grade Count:19

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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O4700 / 78370




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