Vestodur® GF 20 20% Glass Reinforced PBT

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Technical data

Quantity Value Unit Comment
Physical Properties
Melting range 221 - 226 ºC DSC
MFI 23.52 g/10min ISO 1133@Load 2.16 kg,Temperature 250 °C
Density 1.47 g/ml ISO 1183
Linear Mold Shrinkage 0.0030 cm/cm Pigmentation can change mold shrinkage.
Linear Mold Shrinkage 0.015 cm/cm Transverse-Pigmentation can change mold shrinkage.
Thermal Properties
Vicat softening temperature 220 ºC 10N; ISO 306
Flameability @Thickness 0.800 mm
Flameability @Thickness 1.60 mm
Heat Deflection temperature 220 ºC ISO 75-1/2-at 0.46 MPa
Thermal Expansion 60.0 µm/m-°C Longitudinal; ISO 11359@Temperature 23.0-55.0 °C
Vicat softening temperature 210 ºC 50N; ISO 306
Heat Deflection temperature 195 ºC ISO 75-1/2-at 1.8 MPa
Thermal Expansion 70.0 µm/m-°C Transverse to Flow; ISO 11359@Temperature 23.0-55.0 °C
Mechanical Properties
Ball indentation Hardness 190 MPa H30; ISO 2039-1
Hardness Shore D 82 ISO 868
Tensile modulus-MD 7200 MPa ISO 527-1/2
Tensile Stress at break-MD 140 MPa 5 mm/min; ISO 527-1/2
Elongation at break-MD 3.5 % 5 mm/min; ISO 527-1/2
(Charpy Impact Strength(unnotched 60 kJ/m² ISO 179/1eU@Temperature 23.0 °C
(Charpy Impact Strength(unnotched 65 kJ/m² ISO 179/1eU@Temperature -30.0 °C
Charpy Impact Strength (notched) 9 kJ/m² ISO 179/1eA@Temperature 23.0 °C
Charpy Impact Strength (notched) 8.5 kJ/m² ISO 179/1eA@Temperature -30.0 °C
Chemical Properties
Oxirane Oxygen Content 20 % ISO 4589
Electrolytic Corrosion IEC 60426
Water absorption 0.45 % ISO 62 -at Saturation
Electrical Properties
Comparative Tracking Index 275 V Test Solution A, 100 drops; IEC 60112
Comparative Tracking Index 300 V Test Solution A, CTI; IEC 60112
Dissipation Factor 0.018 IEC 60250@Frequency 1e+6 Hz
Dissipation Factor 0.0030 IEC 60250@Frequency 100 Hz
Dielectric Constant 3.8 IEC 60250@Frequency 100 Hz
Surface Resistance 1.00e+13 ohm IEC 60093
Dielectric Constant 4.2 IEC 60250@Frequency 1e+6 Hz
Volume resistance 1.00e+15 ohm-cm IEC 60093
Dielectric Strength 27.0 Kv/mm K20/P50; IEC 60243-1