Polystyrene- HIPS, GPPS

Additional Details

Our clients can avail from us high quality Polystyrene- HIPS, GPPS that easily gets molded between 30C to 50C. One of the most commonly used kind of plastics, this polystyrene can be casted into various molds with fine details. Owing to its distinctive properties, it is used to make diversified products including disposable cutlery, plastic models, CD & DVD cases, smoke detector housings and many more.

Injection Molding:

    Recommended melt temperature of 180-280 C

    For thin wall objects molded at short cycle times it could be useful to cool down the mold down to 10 C

    Mold shrinkage lies between 0.4 and 0.7% depending on the grade used

Extrusion :

    High viscosity grade are ideal for extrusion

    Melt temperature of 180-220 C

    Pre-drying for injection molding with a vented cylinder is not required, however if drying is needed then 4 hours at 80 C is sufficient

    Signs of moisture are stripes, streaks or bubbles