The temperatures and processing conditions listed here are intended as guidelines for molders and designers. In some cases, relatively broad ranges are necessary to accommodate variations in compound formulas.

Injection molding is a complex science; best results may only be achieved after several trials. RTP Company’s technical support specialists can assist you with determining optimum settings for your unique compound.

Which to Use

For quick reference, use the chart below to select a Polymer Type using the dropdown arrow. For additional information, scroll to the material of your choice on this page, and click on the product name for a downloadable PDF.

RTP Series/Polymer Type Temperature Drying Dew Point Moisture Content %
Melt Mold Temp. Hours
English °F
Metric °C

*Hygroscopic materials

RTP 100 Series

Polypropylene (PP)

RTP 200 Series

Nylon 6/6 (PA)

RTP 200 A Series

Nylon 6 (PA)

RTP 200 B Series

Nylon 6/10 (PA)

RTP 200 C Series

Nylon 11 (PA)

RTP 200 D Series

Nylon 6/12 (PA)

RTP 200 E Series

Amorphous Nylon (PA)

RTP 200 F Series

Nylon 12 (PA)

RTP 200 G Series

Nylon 4/6 (PA 4/6)

  • Specialty Compounds

RTP 200 H Series

Impact Modified Nylon 6/6 (PA)

RTP 200 K Series

Polyarylamide (PARA)

  • Specialty Compounds

RTP 300 Series

Polycarbonate (PC)

RTP 400 Series

Polystyrene (PS)

RTP 500 Series