PROCESSING PARAMETER GUIDELINES
Materials Melting Temp. °C Shrinkage % Mould Temp. °C Barrel Temp. °C Nozzle Temp. °C Pre-drying Temp. & Time °C Injection Speed m/sec Back Pressure kg./cm2 Injectability for Length wall thickness 1mm - 2mm

LDPE

 110 1.5-2 10-40 220-240 300-250 - 0.8 5-30 350-900

LLDPE

 115 2 10-40 190-220 210-260 - 0.8 10-30 300-800

HDPE

 130 2 10-40 185-220 240-270 - 0.8 10-30 160-475

PP/Copolymer

 165 1.5-1.7 15-50 200-240 230-250 - 0.9 10-35 300-800

PP/Homopolymer

 170 1.6-2 15-50 220-250 245-270 - 0.8 10-35 250-700

EVA

 80 1.0-2.5 10-40 170-220 200-220 - 0.8 10-30 350-900

PS (GPPS)

 90 0.2-0.6 10-60 190-270 250-270 70-1hr 0.9 0-2 230-630

HIPS

 88 0.2-0.6 40-70 200-260 230-260 80-2hr 0.7 0-2 175-450

ABC

 105 0.4-0.7 50-70 220-260 230-250 90-2.5hr 0.5 0-2 120-350

SAN

 160 0.3-0.6 40-60 210-250 230-240 85-4hr 0.6 2-6 120-300

Polycarbonate (PC)

 220 0.5-0.7 80-120 280-320 290-320 120-4hr 0.3 3-10 40-120

NYLON-6

 260 0.2-0.4 70-90 240-265 250-270 80-6/10hr 0.3 5-8 130-350

NYLONE-66

 80 1.5-1.7 90-100 260-270 270-290 100-6/10hr 0.2 8-11 130-400

RPVC

 100 0.4-4.5 40-60 140-210 170-190 - 0.2 4.5-13.5 110-320

Acrylics

 228 0.2-0.8 50-80 200-260 230-250 85-4hr 0.4 2-6 80-300

PBT

 160 1.6 80-130 220-260 240-255 125-4hr 0.3 4.5-8 120-210

Polyurethane

 110 0.5-1.0 40-80 185-240 200-215 90-2hr 0.3 7-12 120-285

Cellulose Acetate

 175 0.6 60-80 170-210 195-210 70-3hr 0.3 5-7 250-450

Acetal

 215 1.8-2.0 20-40 180-240 230-240 100-3hr 0.3 4-6 120-320

TPE

   0.9-1.4 45 180-240 220-240 110-6hr 0.7 10-20 200-500

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