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Ultradur® B 4040 G4

Ultradur® B 4040 G4 by BASF is polybutylene terephthalate-polyethylene terephthalate reinforced with 20% glass fiber. It is processed by injection molding. This grade is suitable for industrial parts with excellent surface quality, for example for door handles in vehicles, sunroof frames, oven door handles, toaster casings, exterior mirrors, rear screen wiper arms in vehicles and sunroof wind deflectors.

Ultradur® B 4040 G4 Properties

Mechanical Properties

Value & Unit

Test Condition

Test Method

Nominal Tensile Strain at Break

2.8 %

(At 23°C, v=5 mm/min)

ISO 527-1/-2

Modulus of Elasticity

7500 MPa

(At 23°C)

ISO 527-1/-2

Flexural Modulus

7010 MPa

(At 23°C)

ISO 178

Injection Molding Properties

Value & Unit

Test Condition

Test Method

Melt Temperature

250 - 280 °C

Mold Temperature

60 - 100 °C

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Ultradur® B 4040 G4

Ultradur® B 4040 G4 Properties

Mechanical Properties

Ultradur® B 4040 G4 Processing Guidelines

Injection Molding Properties