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Ultradur® B 4300 M5

Ultradur® B 4300 M5 by BASF is an impact modified, polybutylene terephthalate filled with 25% mineral. It is processed by injection molding. This grade is suitable for rigid parts with good surface quality and low warpage, for example central automotive door locks, housings and visible parts of domestic appliances.

Ultradur® B 4300 M5 Properties

Mechanical Properties

Value & Unit

Test Condition

Test Method

Nominal Tensile Strain at Break

7.5 %

(At 23°C, v=5 mm/min)

ISO 527-1/-2

Modulus of Elasticity

2000 MPa

(At 1000 hr, Elongation =0.5%, 23°C)

ISO 899-1

Modulus of Elasticity

4000 MPa

(At 23°C)

ISO 527-1/-2

Injection Molding Properties

Value & Unit

Test Condition

Test Method

Mold Temperature

40 - 80 °C

Melt Temperature

250 - 275 °C

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Ultradur® B 4300 M5

Ultradur® B 4300 M5 Properties

Mechanical Properties

Ultradur® B 4300 M5 Processing Guidelines

Injection Molding Properties