PP/PE HSB BLUE 13 & 14 S GREEN W/LM B PP FR 8-6 LMS-1000

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.

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