Page 40 - Handbook of Plastics Technologies

INTRODUCTION TO POLYMERS AND PLASTICS

Drying times, hr 3–4 2–4 2–4 2–3 2–3 2 3–6 2–3 2–3 3–4 2–4 3–4 3 2–3 2 8

Drying temp., °C 135–150 135–165 75 110 110 100 150 80 70 135–150 80 70–75 80 65 65 50–60

Injection Molding Guidelines for Unfilled Materials (Continued) 53

Mold temp. range, °C 140–160 120–140 60–90 40–120 40–120 60–110 135–160 30–80 10–80 100–150 30–120 40–80 15–70 30–60 30–50 15–40

Melt temp. range, °C 350–380 265–295 210–270 190–215 175–220 260–300 300–360 220–275 200–250 350–380 180–300 200–270 180–230 185–205 175–200 140–225

TABLE 1.7 Material PES PET/PETP PMMA POM-H POM-CO PPO-M PPS PP GPPS PSU PVDF SAN TPU/PUR UPVC PPVC EVA

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