Polystyrene 1540

PropertyTest methodUnitvalue
MFI (200ºC/5kg)ASTM D 1238g/10min11
Styrene residual monomerCLGLABPSG004 (ATOFINA TEST METHOD)ppm<500
Vicat softening pointASTM D 1525ºCMin 89.5
Rockwell hardnessASTM D 785-- Scale
Tensile Strength at YieldASTM D 638MPaL70
Tensile Strength at BreakASTM D 638MPa45
Elongation at breakASTM D 638% 2
Flexural modulusASTM D 790MPa3000
Tensile modulus ASTM D 638--3100
Refractive indexISO Method--1.591
Water absorptionASTM D 570%<0.1