Vestyron® 554 S Impact-Modified Polystyrene

Details Compound

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Technical data

Quantity Value Unit Comment
Physical Properties
MFI 11 g/10min
Density 1.06 g/ml
Thermal Properties
Heat Deflection temperature 80 ºC at 1.8 MPa
Vicat softening temperature 90 ºC 50°C/hr/50 N
Thermal Expansion <50 µm/m-°C @Temperature 20.0 °C
Heat Deflection temperature 87 ºC at 0.46 MPa
Flameability V-2@Thickness 1.60 mm
Flameability V-2@Thickness 3.20 mm
Mechanical Properties
Charpy Impact Strength (notched) 5 kJ/m²
(Charpy Impact Strength(unnotched 40 kJ/m² @Temperature -30.0 °C
Elongation at yield 1 %
Tensile Stress at yield-MD 29 MPa
Elongation at break-MD 30 %
(Charpy Impact Strength(unnotched 50 kJ/m²
Tensile modulus-MD 2600 MPa
Chemical Properties
Moisture absorption 0.0 %
Oxirane Oxygen Content 26 %
Electrical Properties
Dissipation Factor 0.00060 @Frequency 100 Hz
Dissipation Factor 0.00060 @Frequency 1e+6 Hz
Comparative Tracking Index 300 V
Dielectric Constant 2 @Frequency 1e+6 Hz
Dielectric Constant 2 @Frequency 100 Hz
Electrical Resistivity >1.00e+15 ohm-cm
Surface Resistance 1.00e+14 ohm
Dielectric Strength 35 Kv/mm