https://www.avient.com/resources/safety-data-sheets?page=2124
PE RED F
PE LIGHT GRAY 420
https://www.avient.com/resources/safety-data-sheets?page=2548
392667 YELLOW PE
WARM GRAY 5C PE OUT
https://www.avient.com/resources/safety-data-sheets?page=5544
MC-87180PE PE BLACK
MC-87188PE PE BLACK
https://www.avient.com/resources/safety-data-sheets?page=3641
PG 183383.00 RD PE
BLUE PE V2
https://www.avient.com/resources/safety-data-sheets?page=1878
PE ROYAL BLUE 072C
PE BLUE 293 2
https://www.avient.com/resources/safety-data-sheets?page=2627
YELLOW PE
TRANS YELLOW PE
https://www.avient.com/resources/safety-data-sheets?page=6536
PE BLUE W/AM
PE ORANGE HMF V2
https://www.avient.com/resources/safety-data-sheets?page=5062
X LB-23549-001-1 (PE)
X LB-23549-001-2 (PE)
https://www.avient.com/sites/default/files/2020-10/2020-gravi-tech-design-guide-.pdf
Base Resin ABS PA PBT PC PE PEEK PP PPS
Barrel Temperatures °F (°C)
Rear Zone 400–475
(200–250)
480–540
(248–282)
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)
490–550
(254–287)
485–525
(251–273)
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)
500–560
(260–293)
490–530
(254–276)
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)
510–570
(265–298)
490–540
(254–282)
530–600
(275–315)
430–475
(220–250)
700–730
(370–395)
430–460
(220–240)
610–620
(320–325)
Melt Temperature 425–515
(215–270)
510–570
(265–298)
490–540
(254–282)
530–615
(275–325)
430–495
(220–260)
700–725
(370–385)
430–475
(220–250)
610–635
(320–335)
Mold Temperature 140–200
(60–90)
150–300
(65–148)
140–280
(60–137)
160–240
(70–115)
80–140
(25–60)
300–400
(150–200)
80–140
(25–60)
190–300
(90–150)
Drying Parameters
190 (90)
2–4 Hours
0.01%–0.15%
180 (82)
4–5 Hours
0.10%–0.20%
275 (135)
0.02%–0.04%
250 (125)
0.02%
160 (70)
2 Hours
300 (150)
0.10%
160 (70)
2 Hours
280 (135)
2–3 Hours
0.01%–0.20%
Nozzle Type General Purpose Nylon or
Reverse Taper General Purpose General Purpose General Purpose General Purpose General Purpose General Purpose
Injection Velocity1 2–5 in/sec; 50–127 mm/sec
Injection Pressure 1,000–2,000 psi; 7–14 Mpa
Back Pressure 50–100 psi; 0.3–0.7 Mpa
Screw Speed 25–75 RPM
Cushion 0.125–0.250 in; 3–6 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.
https://www.avient.com/products/printing-and-marking-inks/colorant-chromatics-low-temperature-inks
PES / PSU / PPSU Colorants