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 Polypropylene (PP) Processing Information
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Properties
OPP Film
PP Alloy
PP Copolymer
PP Homopolymer
PP Impact Copolymer
PP Random Copolymer
PP, High Crystal
PP, HMS
PP, Unspecified
PP+EPDM
TPO
Density (g/cm³)0.909 to 0.9190.890 to 0.9090.700 to 3.060.899 to 0.9480.898 to 0.9100.890 to 0.9190.900 to 0.9140.895 to 0.9120.892 to 1.020.921 to 0.9840.900 to 1.21
Mold Shrinkage, Flow (in/in)0.075 to 0.0800.036 to 0.0710.012 to 0.0190.012 to 0.0180.013 to 0.0170.012 to 0.0180.013 to 0.0160.00950.000060 to 0.0410.012--
Melt Mass Flow Rate (g/10 min)--4.2 to 8.20.20 to 300.27 to 490.20 to 380.20 to 360.80 to 370.070 to 4.60.10 to 33--4.0 to 27
Drying Temperature (°F)----165 to 196167 to 185166 to 212176194--156 to 200180--
Drying Time (hr)----1.0 to 3.01.0 to 3.01.0 to 4.02.02.0--1.8 to 4.13.0--
Suggested Max Moisture (%)----0.050 to 0.210.050 to 0.200.0500.050----0.0020 to 0.20----
Suggested Max Regrind (%)----19 to 10020--------20----
Injection Pressure (psi)----800 to 12500900 to 15000640 to 249001000 to 114008530 to 25700--6920 to 13000----
Rear Temperature (°F)--410372 to 431387 to 433341 to 430356 to 431354 to 374--104 to 478388 to 390--
Middle Temperature (°F)--410372 to 443383 to 488383 to 455418 to 450382 to 429--104 to 478389 to 390--
Front Temperature (°F)--410372 to 450383 to 491419 to 491419 to 470410 to 464--104 to 478389 to 390--
Nozzle Temperature (°F)----410 to 460370 to 475408 to 470410 to 473392 to 455--383 to 475400--
Processing (Melt) Temp (°F)----399 to 482396 to 480418 to 483404 to 482455 to 464220 to 240373 to 448400--
Mold Temperature (°F)--13167.9 to 13035.0 to 12291.4 to 12281.5 to 10599.5 to 144--84.2 to 133100--

SI
Properties
OPP Film
PP Alloy
PP Copolymer
PP Homopolymer
PP Impact Copolymer
PP Random Copolymer
PP, High Crystal
PP, HMS
PP, Unspecified
PP+EPDM
TPO
Density (g/cm³)0.909 to 0.9190.890 to 0.9090.700 to 3.060.899 to 0.9480.898 to 0.9100.890 to 0.9190.900 to 0.9140.895 to 0.9120.892 to 1.020.921 to 0.9840.900 to 1.21
Mold Shrinkage, Flow (cm/cm)0.075 to 0.0800.036 to 0.0710.012 to 0.0190.012 to 0.0180.013 to 0.0170.012 to 0.0180.013 to 0.0160.00950.000060 to 0.0410.012--
Melt Mass Flow Rate (g/10 min)--4.2 to 8.20.20 to 300.27 to 490.20 to 380.20 to 360.80 to 370.070 to 4.60.10 to 33--4.0 to 27
Drying Temperature (°C)----73.7 to 91.075.0 to 85.074.5 to 10080.090.0--69.0 to 93.482.0 to 82.2--
Drying Time (hr)----1.0 to 3.01.0 to 3.01.0 to 4.02.02.0--1.8 to 4.13.0--
Suggested Max Moisture (%)----0.050 to 0.210.050 to 0.200.0500.050----0.0020 to 0.20----
Suggested Max Regrind (%)----19 to 10020--------20----
Injection Pressure (MPa)----5.52 to 86.36.21 to 1034.41 to 1726.89 to 78.558.8 to 178--47.7 to 90.0----
Rear Temperature (°C)--210189 to 222197 to 223172 to 221180 to 222179 to 190--40.0 to 248198 to 199--
Middle Temperature (°C)--210189 to 228195 to 253195 to 235215 to 232195 to 220--40.0 to 248198 to 199--
Front Temperature (°C)--210189 to 232195 to 255215 to 255215 to 243210 to 240--40.0 to 248199--
Nozzle Temperature (°C)----210 to 238188 to 246209 to 243210 to 245200 to 235--195 to 246204 to 205--
Processing (Melt) Temp (°C)----204 to 250202 to 249215 to 250207 to 250235 to 240104 to 116190 to 231204--
Mold Temperature (°C)--55.019.9 to 54.61.67 to 50.233.0 to 50.327.5 to 40.437.5 to 62.2--29.0 to 56.037.8--
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