Vestyron® 640 Impact-Modified Polystyrene

Details Compound

Technical data

Quantity Value Unit Comment
Physical Properties
Density 1.03 g/ml
MFI 10 g/10min
Thermal Properties
Flameability HB@Thickness 3.20 mm
Flameability HB@Thickness 1.60 mm
Heat Deflection temperature 79 ºC at 0.46 MPa
Thermal Expansion <50 µm/m-°C @Temperature 20.0 °C
Vicat softening temperature 83 ºC 50°C/hr/50 N
Heat Deflection temperature 70 ºC at 1.8 MPa
Mechanical Properties
Tensile modulus-MD 1750 MPa
(Charpy Impact Strength(unnotched 160 kJ/m²
Elongation at break-MD 50 %
Tensile Stress at yield-MD 23 MPa
Elongation at yield 1 %
(Charpy Impact Strength(unnotched 110 kJ/m² @Temperature -30.0 °C
Charpy Impact Strength (notched) 10 kJ/m²
Chemical Properties
Oxirane Oxygen Content 18 %
Moisture absorption 0.0 %
Electrical Properties
Dielectric Strength 58 Kv/mm
Surface Resistance 1.00e+14 ohm
Electrical Resistivity >1.00e+15 ohm-cm
Dielectric Constant 2 @Frequency 100 Hz
Dielectric Constant 2 @Frequency 1e+6 Hz
Comparative Tracking Index 500 V
Dissipation Factor 0.00030 @Frequency 1e+6 Hz
Dissipation Factor 0.00030 @Frequency 100 Hz