Polystyrene Processing Guide
This document was uploaded by user and they confirmed that they have the permission to share it. If you are author or own the copyright of this book, please report to us by using this DMCA report form. Report DMCA
Overview
Download & View Polystyrene Processing Guide as PDF for free.
More details
- Words: 287
- Pages: 4
Polystyrene Processing Guide PROCESSING
Properties Material Drying
Process Temp. Melt
Nozzle
Front
Middle
Rear
Mold Temperature
Injection Pressure Injection Speed Holding Pressure Back Pressure Screw Speed
CRYSTAL 5-Jan
14-May
15+
7-Mar
14-Aug
15+
Units ° F/hrs
N/A
N/A
N/A
N/A
N/A
N/A
° C/hrs
N/A
N/A
N/A
N/A
N/A
N/A
°F
440
430
420
440
440
430
°C
227
221
216
227
227
221
°F
430
420
410
430
430
420
°C
221
216
210
221
221
216
°F
440
430
410
440
440
430
°C
227
221
210
227
227
221
°F
420
410
400
430
420
400
°C
216
210
204
221
216
204
°F
370
370
370
370
370
370
°C
188
188
188
188
188
188
°F
90-110
90-110
90-110
90-110
90-110
90-110
°C
32-43
32-43
32-43
32-43
32-43
32-43
PSI x 10³
12-Oct
11-Sep
10-Aug
12-Oct
11-Sep
10-Aug
MPa
69-83
62-76
55-69
69-83
62-76
55-69
Fast
Fast
Fast
Fast
Fast
Fast
PSI x 10³
8-Jun
7-May
6-Apr
8-Jun
7-May
6-Apr
PSI (min)
50
50
50
50
50
50
RPM (min) Inches
Cushion Cooling Cycle
IMPACT
Melt Index:
MM
60
60
60
60
60
60
0.13
0.13
0.13
0.13
0.13
0.13
3
3
3
3
3
3
Wall Thickness Inches
MM
Cycle Time (Seconds) 13-Oct 15-19 20-26 25-33 30-39
0.02
0.5
0.04
1
35-45
0.06
1.5
0.08
2
0.1
2.53
0.12
3
0.14
3.5
0.16
4.05
0.18
4.55
0.2
5.06
40-52 45-58 50-62 55-69
IRPS 6-Mar
12-Jul
N/A
N/A
N/A
N/A
450
430
243
221
440
420
238
216
440
430
238
221
420
410
216
210
380
360
193
182
90-110
90-110
32-43
32-43
12-Oct
11-Sep
69-83
62-76
Mod-
Mod-
erate
erate
8-Jun
7-May
50
50
60
60
0.13
0.13
3
3
Properties Material Drying
Process Temp. Melt
Nozzle
Front
Middle
Rear
Mold Temperature
Injection Pressure Injection Speed Holding Pressure Back Pressure Screw Speed
CRYSTAL 5-Jan
14-May
15+
7-Mar
14-Aug
15+
Units ° F/hrs
N/A
N/A
N/A
N/A
N/A
N/A
° C/hrs
N/A
N/A
N/A
N/A
N/A
N/A
°F
440
430
420
440
440
430
°C
227
221
216
227
227
221
°F
430
420
410
430
430
420
°C
221
216
210
221
221
216
°F
440
430
410
440
440
430
°C
227
221
210
227
227
221
°F
420
410
400
430
420
400
°C
216
210
204
221
216
204
°F
370
370
370
370
370
370
°C
188
188
188
188
188
188
°F
90-110
90-110
90-110
90-110
90-110
90-110
°C
32-43
32-43
32-43
32-43
32-43
32-43
PSI x 10³
12-Oct
11-Sep
10-Aug
12-Oct
11-Sep
10-Aug
MPa
69-83
62-76
55-69
69-83
62-76
55-69
Fast
Fast
Fast
Fast
Fast
Fast
PSI x 10³
8-Jun
7-May
6-Apr
8-Jun
7-May
6-Apr
PSI (min)
50
50
50
50
50
50
RPM (min) Inches
Cushion Cooling Cycle
IMPACT
Melt Index:
MM
60
60
60
60
60
60
0.13
0.13
0.13
0.13
0.13
0.13
3
3
3
3
3
3
Wall Thickness Inches
MM
Cycle Time (Seconds) 13-Oct 15-19 20-26 25-33 30-39
0.02
0.5
0.04
1
35-45
0.06
1.5
0.08
2
0.1
2.53
0.12
3
0.14
3.5
0.16
4.05
0.18
4.55
0.2
5.06
40-52 45-58 50-62 55-69
IRPS 6-Mar
12-Jul
N/A
N/A
N/A
N/A
450
430
243
221
440
420
238
216
440
430
238
221
420
410
216
210
380
360
193
182
90-110
90-110
32-43
32-43
12-Oct
11-Sep
69-83
62-76
Mod-
Mod-
erate
erate
8-Jun
7-May
50
50
60
60
0.13
0.13
3
3
Related Documents
Polystyrene Processing Guide
June 2020 8
Polystyrene
May 2020 7
Film Processing Troubleshooting Guide
November 2019 27
Order Processing Guide
June 2020 22
Av Vision Processing Guide
June 2020 14