https://www.avient.com/resources/safety-data-sheets?page=4374
STAN-TONE MB-35979 GREEN 6004
STAN-TONE MB-35974 GREEN 6028
PP FR 8-6 LMS-1000
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/resources/safety-data-sheets?page=6772
MG-50148-GREEN
PP THERAPY RED
PP BLEND TAN
https://www.avient.com/resources/safety-data-sheets?page=3501
TRANS AMBER PP 2
GREEN 171009 PP
YELLOW 171007 PP
https://www.avient.com/resources/safety-data-sheets?page=1459
DARK GREEN UNIT
PG 68394.00 BU PP
PG 68397.00 PU PP
https://www.avient.com/resources/safety-data-sheets?page=1410
PG 66033.00 PEARL BU PP
GREEN VINE 625C
PP FR 8-6 LMS-1000
https://www.avient.com/resources/safety-data-sheets?page=5634
XRU-2624 ETFE COP88AXMB COMP PREC GREEN
PP SMOKE 2
PP FR 8-6 LMS-1000
https://www.avient.com/resources/safety-data-sheets?page=2251
GREEN 348C
SM 145201.00 RD PP
PP FR 8-6 LMS-1000
https://www.avient.com/resources/safety-data-sheets?page=1526
DED-36 PP-PS
ONCOLOR GREEN 362C
RED 200C PP
https://www.avient.com/resources/safety-data-sheets?page=890
PG 51023.01 GN PP
UV GRASS GREEN
PG 51026.01 GN PP