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Ultradur® B 2550

Ultradur® B 2550 by BASF is an unreinforced, easy flowing, polybutylene terephthalate. It is used for coating paper and board with high heat resistance, for example for packaging of frozen goods and ready-prepared meals. It is also suitable for injection molding applications and for the manufacture of fibers in the spinning process.

Ultradur® B 2550 Properties

Mechanical Properties

Value & Unit

Test Condition

Test Method

Nominal Tensile Strain at Break

35 %

(At 23°C, v=50 mm/min)

ISO 527-1/-2

Hardness, Ball Indentation

130 MPa

(At 23°C, H 358N /30 s)

ISO 2039-1

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

245 - 275 °C

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Ultradur® B 2550

Ultradur® B 2550 Properties

Mechanical Properties

Ultradur® B 2550 Processing Guidelines

Injection Molding Properties