部分數據:
Abbreviated term ISO 1043 - PBT
Density ISO 1183 g/cm3
1.30
Reinforcing filler content: glass fibres (GF); glass beads (GB); mineral (M) %
Viscosity number (solution 0.05 g/ml phenol/1,2 dichlorobenzene 1:1) ISO 307 ml/g 107
Colours: natural (n), coloured (c), black (bk), special colours (sp) - - n
Water absorption, equilibrium in water at 23°C ISO 62 % 0.50
Moisture absorption, equilibrium 23°C/50% r.h. ISO 62 % 0.25
Processing
Melting temperature, DSC ISO 3146 °C 220 - 225
Melt volume rate MVR 250/2,16 ISO 1133 cm3
/10 min 40
Melt temperature, injection moulding/extrusion - °C 245 - 270
Mould temperature, injection moulding - °C 40 - 70
Moulding shrinkage, free, longitudinal / transverse (260°/80°) 6)
- % 1.50 / 1.50
Flammability
UL94 rating at 1.6 mm thickness UL 94 class HB
UL94 rating at 0.8 mm thickness UL 94 class HB
Automotive materials (thickness d ≥ 1mm) FMVSS 302 - +