ESTASTIR

Polystyrene

GP 1000

Main Features

PS crystal, general purpose, good melt flow rate, stiffness, gloss, excellent transparency.

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 – 0,6 %

Mechanical

Conditions Standard Value
Tensile strenght at break ASTM D 638 40 Mpa
Tensile elongation at break ASTM D 638 2 %
Flexural modulus ASTM D 790 3300 Mpa
Notched impact strenght 23°C ASTM D 256 20 J/m

Thermal

Conditions Standard Value
Vicat softening point 10 N – 50 °C/h ASTM D 1525 93 °C
Vicat softening point 49 N – 50°C/hour ASTM D 1525 84 °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