| Polystyrene (PS)
Processing Information |
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English
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| Specific Gravity | 0.0155 to 0.515 | 1.03 to 1.06 | 1.03 to 1.06 | 1.06 to 1.18 | 1.04 | 1.02 to 1.17 | 1.03 to 1.27 | 0.0200 to 1.02 | 1.03 to 1.15 | 1.01 to 1.44 | | Mold Shrinkage, Flow (in/in) | -- | 0.0036 to 0.0060 | 0.0044 to 0.0060 | 0.0040 to 0.0055 | 0.0039 to 0.0061 | 0.0045 to 0.0061 | 0.0030 to 0.010 | 0.0045 | 0.0050 to 0.0070 | 0.0030 to 0.020 | | Melt Mass Flow Rate (g/10 min) | -- | 0.20 to 20 | 0.50 to 14 | 7.6 to 10 | 2.0 to 14 | 5.7 to 10 | 2.0 | 4.0 to 5.0 | -- | -- | | Drying Temperature (°F) | -- | 140 to 181 | 140 to 181 | 158 | 140 to 167 | 158 to 167 | 180 | -- | 158 to 176 | 176 | | Drying Time (hr) | -- | 1.5 to 3.1 | 1.5 to 2.0 | 2.0 | 1.5 | 1.5 to 2.0 | 2.0 | -- | 3.0 to 4.0 | 3.0 to 3.5 | | Suggested Max Moisture (%) | -- | 0.020 | 0.10 | -- | -- | -- | -- | -- | -- | -- | | Suggested Max Regrind (%) | -- | 20 to 30 | 20 to 30 | 25 | -- | -- | -- | -- | -- | -- | | Injection Pressure (psi) | -- | 4350 to 22500 | 4100 to 22500 | 11000 | 15200 | 12500 | 12500 | -- | -- | -- | | Rear Temperature (°F) | -- | 320 to 456 | 336 to 413 | 380 | 356 to 392 | 338 to 356 | 430 | -- | 464 to 500 | 518 | | Middle Temperature (°F) | -- | 381 to 455 | 374 to 454 | 420 | 383 to 410 | 383 | 430 | -- | 482 to 518 | 536 | | Front Temperature (°F) | -- | 402 to 456 | 392 to 454 | 440 | 401 to 437 | 410 | 430 | -- | 500 to 518 | 554 | | Nozzle Temperature (°F) | -- | 417 to 457 | 418 to 445 | 440 | 392 to 428 | 392 | -- | -- | 500 to 518 | 554 | | Processing (Melt) Temp (°F) | -- | 417 to 457 | 425 to 457 | 419 to 482 | 419 to 451 | 426 to 428 | 445 | -- | 518 to 572 | 572 to 590 | | Mold Temperature (°F) | -- | 86.0 to 140 | 94.5 to 142 | 122 to 140 | 95.0 to 140 | 113 to 122 | 125 to 126 | -- | 122 to 149 | 158 to 307 |
SI
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| Specific Gravity (g/cm³) | 0.0155 to 0.514 | 1.03 to 1.05 | 1.03 to 1.06 | 1.06 to 1.18 | 1.04 | 1.02 to 1.16 | 1.03 to 1.27 | 0.0199 to 1.02 | 1.03 to 1.15 | 1.01 to 1.44 | | Mold Shrinkage, Flow (cm/cm) | -- | 0.0036 to 0.0060 | 0.0044 to 0.0060 | 0.0040 to 0.0055 | 0.0039 to 0.0061 | 0.0045 to 0.0061 | 0.0030 to 0.010 | 0.0045 | 0.0050 to 0.0070 | 0.0030 to 0.020 | | Melt Mass Flow Rate (g/10 min) | -- | 0.20 to 20 | 0.50 to 14 | 7.6 to 10 | 2.0 to 14 | 5.7 to 10 | 2.0 | 4.0 to 5.0 | -- | -- | | Drying Temperature (°C) | -- | 60.0 to 82.5 | 60.0 to 82.9 | 69.8 to 70.0 | 60.0 to 75.0 | 70.0 to 75.2 | 82.2 | -- | 70.0 to 80.0 | 80.0 | | Drying Time (hr) | -- | 1.5 to 3.1 | 1.5 to 2.0 | 2.0 | 1.5 | 1.5 to 2.0 | 2.0 | -- | 3.0 to 4.0 | 3.0 to 3.5 | | Suggested Max Moisture (%) | -- | 0.020 | 0.10 | -- | -- | -- | -- | -- | -- | -- | | Suggested Max Regrind (%) | -- | 20 to 30 | 20 to 30 | 25 | -- | -- | -- | -- | -- | -- | | Injection Pressure (MPa) | -- | 30.0 to 155 | 28.3 to 155 | 75.8 | 105 | 86.2 | 86.0 to 86.4 | -- | -- | -- | | Rear Temperature (°C) | -- | 160 to 236 | 169 to 212 | 193 | 180 to 200 | 170 to 180 | 221 | -- | 240 to 260 | 270 | | Middle Temperature (°C) | -- | 194 to 235 | 190 to 235 | 216 | 195 to 210 | 195 | 221 | -- | 250 to 270 | 280 | | Front Temperature (°C) | -- | 206 to 235 | 200 to 235 | 227 | 205 to 225 | 210 | 221 | -- | 260 to 270 | 290 | | Nozzle Temperature (°C) | -- | 214 to 236 | 214 to 229 | 227 | 200 to 220 | 200 | -- | -- | 260 to 270 | 290 | | Processing (Melt) Temp (°C) | -- | 214 to 236 | 218 to 236 | 215 to 250 | 215 to 233 | 219 to 220 | 229 | -- | 270 to 300 | 300 to 310 | | Mold Temperature (°C) | -- | 30.0 to 60.2 | 34.7 to 61.1 | 50.0 to 60.0 | 35.0 to 60.0 | 45.0 to 50.2 | 51.8 to 52.0 | -- | 50.0 to 65.0 | 70.0 to 153 |
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