ESTASTIR

Polystyrene

HI 1012

Main Features

PS general purpose, high impact resistance, good melt flow rate, good flexibility.

Properties

Physical

Conditions Standard Value
Melt flow index 200°C – 5 Kg ASTM D 1238 10 g/10 min
Density 23°C ASTM D 792 1,05 g/cm³
Linear shrinkage ASTM D 955 0,4 – 0,7 %

Mechanical

Conditions Standard Value
Tensile strenght at yield ASTM D 638 16 Mpa
Tensile strenght at break ASTM D 638 22 Mpa
Tensile elongation at break ASTM D 638 50 %
Flexural modulus ASTM D 790 2000 Mpa
Notched impact strenght 23°C ASTM D 256 90 J/m
Notched impact strenght 0°C ASTM D 638 60 J/m

Thermal

Conditions Standard Value
Vicat softening point 10 N – 50 °C/h ASTM D 1525 95 °C
Vicat softening point 49 N – 50°C/hour ASTM D 1525 86 °C

Flame Resistance

Conditions Standard Value
Fire behaviour 1.6 mm UL 94 HB Class
Fire behaviour 3.2 mm UL 94 HB Class

Main Applications