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PE GREY PANELS
PE WHITE CAPTURE
PE BLACK CAPTURE
https://www.avient.com/resources/safety-data-sheets?page=1227
PG 110509.00 RD PE
PG 110517.00 GY PE
PG 110531.00 WT PE
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DELTA GREEN PE
PE GREEN POWDER
UV DELTA WHITE PE
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HMF RED UV PE 3
HMF RED UV PE 5
HMF RED UV PE 7
https://www.avient.com/resources/safety-data-sheets?page=5585
GNC BLUE 538C PE
PE HOT FILL RED 23
UV TAN PE
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PG 271216.00 PEARL PU PE SL
PG 271217.00 PEARL PU PE SL
PG 271220.00 PEARL PU PE SL
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UV BROWN PE
UV KAYAK RED PE
UV GRANITE PE
https://www.avient.com/resources/safety-data-sheets?page=914
TRANS WHITE PE CD4457
PG 53954.00 PEARL RD PE
PG 64949.01 PEARL WT PE
https://www.avient.com/sites/default/files/2020-10/luxury-closures-gravi-tech-design-guide-2.0-application-specific.pdf
Base Resin ABS PA PBT PC PE PEEK PP PPS
Barrel Temperatures °F (°C)
Rear Zone 400–475
(200–250)
430–500
480–520
(250–270)
480–570
(250–300)
400–445
(200–230)
660–700
(350–475)
400–440
(200–225)
520–600
(270–300)
Center Zone 410–480
(205–253)
440–510
(225–265)
483–522
(252–272)
500–580
(260–305)
410–455
(207–237)
670–710
(357–385)
410–450
(205–230)
550–610
(285–310)
Front Zone 420–490
(210–257)
450–520
(230–270)
487–527
(254–274)
515–590
(267–310)
420–465
(213–243)
680–720
(363–400)
420–455
(215–235)
570–620
(300–320)
Nozzle 425–500
(215–260)
460–530
(235–275)
490–530
(255–275)
530–600
(275–315)
700–730
(370–395)
430–460
(220–240)
610–620
(320–325)
Melt Temperature 425–515
(215–270)
530–580
(276–300)
500–565
(260–300)
530–615
(275–325)
430–495
700–725
(370–385)
610–635
(320–335)
Mold Temperature 140–200
(60–90)
150–200
(65–90)
140–250
(60–120)
160–240
(70–115)
300–400
(150–200)
190–300
(90–150)
Drying Parameters
190 (90)
2–4 Hours
0.01%–0.15%
180 (80)
4–5 Hours
0.10%–0.20%
275 (135)
0.02%–0.04%
250 (125)
0.02%
300 (150)
0.10%
280 (135)
2–3 Hours
0.01%–0.20%
Nozzle Type General Purpose Nylon or
ReverseTaper General Purpose General Purpose General Purpose General Purpose General Purpose General Purpose
Injection Velocity1 2.0–5.0 in/sec; 50–125 mm/sec
Injection Pressure 2,000–4,000 psi; 13,000–30,000 kpa
Back Pressure 0–50 psi; 0–350 kpa
Screw Speed 25–75 RPM
Cushion 0.125"–0.250"; 3.175 mm–6.35 mm
Screw Compression Ratio2 2.0:1–2.5:1
Design Guide 7
Base Resin ABS PA PBT PC PE PEEK PP PPS
Barrel Temperatures °F (°C)
Rear Zone 400–475
(200–250)
430–500
480–520
(250–270)
480–570
(250–300)
400–445
(200–230)
660–700
(350–475)
400–440
(200–225)
520–600
(270–300)
Center Zone 410–480
(205–253)
440–510
(225–265)
483–522
(252–272)
500–580
(260–305)
410–455
(207–237)
670–710
(357–385)
410–450
(205–230)
550–610
(285–310)
Front Zone 420–490
(210–257)
450–520
(230–270)
487–527
(254–274)
515–590
(267–310)
420–465
(213–243)
680–720
(363–400)
420–455
(215–235)
570–620
(300–320)
Nozzle 425–500
(215–260)
460–530
(235–275)
490–530
(255–275)
530–600
(275–315)
700–730
(370–395)
430–460
(220–240)
610–620
(320–325)
Melt Temperature 425–515
(215–270)
530–580
(276–300)
500–565
(260–300)
530–615
(275–325)
430–495
700–725
(370–385)
610–635
(320–335)
Mold Temperature 140–200
(60–90)
150–200
(65–90)
140–250
(60–120)
160–240
(70–115)
300–400
(150–200)
190–300
(90–150)
Drying Parameters
190 (90)
2–4 Hours
0.01%–0.15%
180 (80)
4–5 Hours
0.10%–0.20%
275 (135)
0.02%–0.04%
250 (125)
0.02%
300 (150)
0.10%
280 (135)
2–3 Hours
0.01%–0.20%
Nozzle Type General Purpose Nylon or
ReverseTaper General Purpose General Purpose General Purpose General Purpose General Purpose General Purpose
Injection Velocity1 2.0–5.0 in/sec; 50–125 mm/sec
Injection Pressure 2,000–4,000 psi; 13,000–30,000 kpa
Back Pressure 0–50 psi; 0–350 kpa
Screw Speed 25–75 RPM
Cushion 0.125"–0.250"; 3.175 mm–6.35 mm
Screw Compression Ratio2 2.0:1–2.5:1
Comments
1.
Venting Guidelines by Resin
• PC: .001"–.002" depth & .250" width
• PC/PSU: .002"–.003" depth & .250" width
• PES: .003"–.004" depth & .250" width
• PEI: .001"–.003" depth & .250" width
• PP: .001"–.002" depth & .250" width
• ABS: .0015"–.0025" depth & .250" width
• PEEK: .002"–.004" depth & .250" width
FIGURE 40 - Venting Guidelines
Vent Groove
Vent Land
Vent
FIGURE 44 - Venting guidelines
FIGURE 43 - Venting areas
20 Gravi-Tech
CHAPTER 5 | PROCESS OPTIMIZATION
Process optimization ensures a quality process
and minimizes cycle time.
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PG 69226.00 BU PE
PG 69469.00 BU PE
PG 69470.00 BU PE