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.

78888AB GREEN STUDIO PINK PEARL PP PP FR 8-6 LMS-1000

PG 54978.00 RD PP DARK GREEN PP FR 8-6 LMS-1000

EBID PP BLUE EMERALD GREEN PP PP FR 8-6 LMS-1000

UR 145569.00 BU PP GREEN D.C. PP FR 8-6 LMS-1000

PP RED CREAMER CAP 485C CLOUDY GREEN VI PP FR 8-6 LMS-1000

DB1025 GREEN PG 25456 GD PP PP FR 8-6 LMS-1000

PG 59186.00 PEARL RD PP TERMITE TRAP GREEN PP FR 8-6 LMS-1000

SFDC225654-01 EXPA70U4 VOLT GREEN PG 239042.00 BU PP PP FR 8-6 LMS-1000

FOLIAGE GREEN 34160 PP PINK C PP FR 8-6 LMS-1000