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Ultradur® B 4500

Ultradur® B 4500 by BASF is a medium viscosity, unreinforced, polybutylene terephthalate. It is used for manufacturing thin-walled profiles and pipes. The grade is also suitable for the manufacture of industrial functional parts in injection molding. It is processed by extrusion.

Ultradur® B 4500 Properties

Mechanical Properties

Value & Unit

Test Condition

Test Method

Nominal Tensile Strain at Break

> 50 %

(At 23°C, v=50 mm/min)

ISO 527-1/-2

Modulus of Elasticity

1200 MPa

(At 1000 hr, Elongation =0.5%, 23°C)

ISO 899-1

Modulus of Elasticity

2500 MPa

(At 23°C)

ISO 527-1/-2

Injection Molding Properties

Value & Unit

Test Condition

Test Method

Mold Temperature

40 - 70 °C

Melt Temperature

250 - 275 °C

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Ultradur® B 4500

Ultradur® B 4500 Properties

Mechanical Properties

Ultradur® B 4500 Processing Guidelines

Injection Molding Properties