ESTASTIR

Polystyrene

HG 0808

Main Features

PS high gloss, high impact resistance, good physical and mechanical characteristics, good processability.

Properties

Physical

Conditions Standard Value
Melt flow index 200°C – 5 Kg ASTM D 1238 6 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 29 Mpa
Tensile strenght at break ASTM D 638 25 Mpa
Tensile elongation at break ASTM D 638 40 %
Flexural modulus ASTM D 790 2000 Mpa
Notched impact strenght 23°C ASTM D 256 70 J/m
Notched impact strenght 0°C ASTM D 638 50 J/m

Thermal

Conditions Standard Value
Vicat softening point 10 N – 50 °C/h ASTM D 1525 96 °C
Vicat softening point 49 N – 50°C/hour ASTM D 1525 88 °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