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
Established in the year 1978, D R polymers is an international trading house dealing in all polymers for the last 23 years with specialization in engineering plastic polymers.
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