Polystyrene (High Impact) HIPS

APPLICATIONS

Yoghurt pots, refrigerator linings, vending cups, bathroom cabinets, toilet seats and tanks, closures, instrument control knobs.

PROPERTIES

Hard, rigid, translucent, impact strength up to 7 x GPPS, other properties similar.

PHYSICAL PROPERTIES
Tensile Strength 2.20 - 2.70 N/mm²
Notched Impact Strength 10.0 - 20.0 Kj/m²
Thermal Coefficient of expansion 80 x 10-6
Max Cont Use Temp 60 - 80 oC
Density 1.03 - 1.06 g/cm3

RESISTANCE TO CHEMICALS
Dilute Acid **
Dilute Alkalis ****
Oils and Greases **
Aliphatic Hydrocarbons ****
Aromatic Hydrocarbons *
Halogenated Hydrocarbons *
Alcohols * variable

KEY * poor ** moderate *** good **** very good

CURRENT CASE STUDIES

Drinking cups from high impact polystyrene. Cheap, easy to mould, hygienic, easy to recycle - the perfect material for the application!