Engineering Plastic BASF PBT B 4500 resin film grade PBT pellets Extrusion molding PBT raw materials

Physical Properties

Metric

English

Comments

Density 

1.30 g/cc

0.0470 lb/in³

ISO 1183

Water Absorption 

0.50 %

0.50 %

ISO 62

Moisture Absorption at Equilibrium 

0.25 %

0.25 %

23°C/50% R.H.; ISO 62

Water Vapor Transmission 

10.0 g/m²/day

0.644 g/100 in²/day

ASTM F 1249

Viscosity Number 

130 cm³/g

1.30 dl/g

Linear Mold Shrinkage, Flow 

0.015 cm/cm

0.015 in/in

Sheet

0.016 cm/cm

0.016 in/in

60x60x2mm; ISO 294

Linear Mold Shrinkage, Transverse 

0.015 cm/cm

0.015 in/in

Sheet

0.019 cm/cm

0.019 in/in

60x60x2mm; ISO 294

Melt Flow 

24.7 g/10 min
@Load 2.16 kg,
Temperature 250 °C

24.7 g/10 min
@Load 4.76 lb,
Temperature 482 °F

ISO 1133

Mechanical Properties

Metric

English

Comments

Ball Indentation Hardness 

130 MPa

18900 psi

ISO 2039-1

Tensile Strength, Yield 

55.0 MPa

7980 psi

50mm/min; ISO 527-2

Elongation at Break 

>= 50 %

>= 50 %

50mm/min; ISO 527-2

Elongation at Yield 

3.7 %

3.7 %

50mm/min; ISO 527-2

Modulus of Elasticity 

2.50 GPa

363 ksi

ISO 527-2

Flexural Strength 

85.0 MPa

12300 psi

ISO 178

Charpy Impact Unnotched 

29.0 J/cm²

138 ft-lb/in²

ISO 179/1eU

Charpy Impact, Notched 

0.600 J/cm²

2.86 ft-lb/in²

ISO 179/1eA