Drying Conditions
Temperature
120°C
Time
3-4h
Target Moisture
0.02%
A dehumidifying dryer is recommended (relatively hygroscopic).
Melt Temperature
280~320°C
⚠ Thermal degradation risk above 320°C
Minimize residence time and avoid exceeding this temperature.
Mold Temperature
70~110°C
Shrinkage
0.5~0.7%
Common Defects & First Checks
Silver Streak
PC: amorphous, very high viscosity, extreme moisture sensitivity.
Field Notes
PC: amorphous, very high viscosity, extreme moisture sensitivity. Never mix regrind from other resins. Beyond 9-type: stress cracking from excessive pack pressure, splay, yellowing when overheated. Above 320°C or long residence time: thermal degradation + yellowing.
Related Resins
This data is a field-reference summary. Always verify against the resin manufacturer’s official TDS.