Polybutylentereftalát s 50 % skleněných vláken (PBT GF50)

We use this material in the following process(es):

Injection moulding.
Injection moulded parts up to 16.000 g

Thermoplastic structure foaming (TSF).
Multi functional parts and housings up to 16 kg

Material number   1325  
Density ISO 1183 1,73 g/cm3

Mechanical properties

Tensile strength ISO 527 140 MPa
Elongation at break ISO 527 1,5 %
Tensile modulus ISO 527 16000 MPa
Ball pressure hardness ISO 2039-1 220 MPa
Standard for ball pressure hardness   H961/30  
Izod notched impact strength at 23 °C ISO 180/1A 7,5 KJ/m2
Charpy notched impact strength at 23 °C ISO 179/1eA 11 KJ/m2

Electrical properties

Dielectric constant at 50 Hz IEC 60250 4 -
Dielectric constant at 1 MHz IEC 60250 4 -
Dissipation factor at 50 Hz IEC 60250 12 1E-4
Dissipation factor at 1 MHz IEC 60250 150 1E-4
Dielectric strength IEC 60243-1 20 kV/mm
Thickness for electric strength   1,6 mm
Volume resistivity IEC 60093 1,00E+14 Ohm · m
Surface resistivity IEC 60093 1,00E+13 Ohm
Comparative tracking index IEC 60112 425 -

Thermal properties

Thermal conductance DIN 52 612 0,27 W/K m
Linear thermal expansion along|cross to direction of flow ISO 11359 25|- 10-6/K
Melting point or glass transition temp. ISO 11357 225 °C
Heat distortion temperature A ISO 75 HDT/A (1.8 MPa) 215 °C
Heat distortion temperature B ISO 75 HDT/B (0,45 MPa) 220 °C
Short time use temperature   210 °C
Continuous use temperature   140 5) °C
Minimal use temperature   -50 °C

Other properties

Humidity absorption at 23°C/50% ISO 62 0,12 %
Water absorption ISO 62 0,3 %
Flammability UL 94 IEC 60695-11-10 HB -
Thickness for UL 94   0,75 mm
Transparency (opaque/translucent/clear)   opaque  
Raw material   Ultradur B4300 G10 (BASF)  

5) : Thermal ageing UL 746 (RTI) Mechanical W/O Imp., 40 000 h

This datasheet is a print-out of the material database RIWETA 4.0 and is intended for personal use only.

The figures in this datasheet are guide values. The values are affected by processing conditions, modifications, additives and environmental conditions and they do not release you from the obligation to check the validity and to undertake tests on your own. The information given is based on our state of knowledge. The material data is not to be construed as guaranteeing specific properties and the data can not be used to deduce the suitability for a particular application.

It remains the responsibility of the user of our products not to infringe patent rights and to comply with existing laws and regulations.

LPM s.r.o.
Technické díly z plastů
Koněvova 536
CZ-506 11 Jičín

© 2008 by LPM s.r.o., Technické díly z plastů
Koněvova 536, CZ-506 11 Jičín, Česka republika, info@lpm.cz