... Free sample 3. SGS certification High quality polystyrene resin/HIPS granule 1 what is HIPS ?High impact polystyrene, or HIPS, ... is a versatile plastic resin used in the manufacture of numerous products ... ,, Good Transparency, Easy Processing ,High Flow , High Gloss 3 Grade : injection, blow, extrusion, film moulding 4. Speicification for your reference ...