Typical melt temperature, mold temperature and residence time for 35 resins
| Resin | Melt temp | Mold temp | Max residence |
|---|---|---|---|
| Nylon 6 (PA6) | 482–536°F / 250–280°C | 104–212°F / 40–100°C | 10 min |
| Nylon 6, 30% glass | 518–554°F / 270–290°C | 176–248°F / 80–120°C | 10 min |
| Nylon 66 (PA66) | 527–581°F / 275–305°C | 140–212°F / 60–100°C | 10 min |
| Nylon 66, 30–33% glass | 536–581°F / 280–305°C | 176–248°F / 80–120°C | 10 min |
| Nylon 11 (PA11) | 410–500°F / 210–260°C glass-filled runs 240–290°C | 104–194°F / 40–90°C | n/a |
| Nylon 12 (PA12) | 446–554°F / 230–290°C GF30 runs 250–290°C | 68–140°F / 20–60°C | n/a |
| PPA | 608–653°F / 320–345°C depends on grade | 275–329°F / 135–165°C for most grades some water-heatable grades 185–212°F / 85–100°C | 6 min |
| Polycarbonate (PC) | 536–653°F / 280–345°C | 158–248°F / 70–120°C | 4–8 min |
| PC/ABS | 464–536°F / 240–280°C | 120–210°F / 49–99°C | 4–6 min |
| ABS | 425–525°F / 218–274°C FR grades never above 475°F / 246°C | 80–180°F / 27–82°C | n/a |
| SAN | 428–500°F / 220–260°C | 104–176°F / 40–80°C | n/a |
| ASA | 464–536°F / 240–280°C | 104–176°F / 40–80°C | n/a |
| Acetal, POM homopolymer | Optimum 419±10°F / 215±5°C keep below 446°F / 230°C | 176–248°F / 80–120°C | >30 min at 419°F ~8 min at 464°F (above the recommended maximum) |
| Acetal, POM copolymer | 370–446°F / 188–230°C never above 446°F / 230°C | 140–250°F / 60–121°C | 15–20 min above 380°F |
| PET, glass-filled | 520–572°F / 271–300°C | 203–284°F / 95–140°C, by grade | Interruption >15 min: empty the barrel |
| PBT, unfilled | 460–536°F / 238–280°C above 536°F = decomposition | 100–212°F / 38–100°C | 5–10 min |
| PBT, 30% glass | 460–527°F / 238–275°C | 140–212°F / 60–100°C | 5–10 min |
| PEI | 662–752°F / 350–400°C | 275–356°F / 135–180°C | 2–5 min |
| PEEK | 669–752°F / 354–400°C | 338–392°F / 170–200°C 170°C is a hard minimum | Stoppages: up to ~1 h with barrel at 680°F / 360°C (half that for glass-filled); longer, drop to 644°F / 340°C or purge |
| PPS | 572–644°F / 300–340°C do not exceed 644°F / 340°C | 275–320°F / 135–160°C | Not published |
| PSU | 626–734°F / 330–390°C | 248–320°F / 120–160°C | 5–20 min |
| PPSU | 662–734°F / 350–390°C | 280–356°F / 138–180°C | 5–20 min |
| TPU | 374–455°F / 190–235°C indexed to Shore hardness | 50–158°F / 10–70°C | Purge if the cycle stops >10 min |
| Acrylic (PMMA) | 420–520°F / 216–271°C | 100–205°F / 38–96°C | n/a |
| GPPS | 356–500°F / 180–260°C | 50–150°F / 10–66°C | n/a |
| HIPS | 356–482°F / 180–250°C keep the melt at or below about 482°F / 250°C | 50–150°F / 10–66°C | n/a |
| PPO / PPE modified | 536–572°F / 280–300°C FR grades to 608°F / 320°C | 149–248°F / 65–120°C | 8 min |
| Polypropylene homopolymer | 374–525°F / 190–274°C | 50–176°F / 10–80°C | Purge if idle >30 min |
| Polypropylene copolymer | 392–500°F / 200–260°C | 59–149°F / 15–65°C | n/a |
| HDPE | 380–527°F / 193–275°C | 50–122°F / 10–50°C | n/a |
| LDPE | 320–450°F / 160–232°C | 68–150°F / 20–66°C | n/a |
| Rigid PVC | 380–395°F / 193–202°C | 80–130°F / 27–54°C | 15 min absolute |
| Flexible PVC | 325–392°F / 163–200°C durometer-indexed | 50–140°F / 10–60°C | 10 min absolute |
| TPE-S (SEBS) | 374–473°F / 190–245°C | 59–140°F / 15–60°C | ≤10 min |
| TPV | 347–446°F / 175–230°C | 50–151°F / 10–66°C | Purge if idle >20 min |