Poly(butene-1) PB

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Description

Poly(butene-1) exhibits excellent creep properties. It is tough, retains strength at elevated temperatures, and is resistant to stress cracking and abrasion.

This material data has been provided by Matmatch.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

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Properties

General

PropertyTemperatureValueComment

Density

23.0 °C

0.86 g/cm³

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Water absorption

23.0 °C

0.03 %

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ma., ASTM D570, 24h

Mechanical

PropertyTemperatureValueComment

Elastic modulus

23.0 °C

0.29 - 0.3 GPa

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ASTM D638

Elongation

23.0 °C

275 - 320 %

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ASTM D638

Flexural modulus

23.0 °C

0.38 GPa

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ASTM D790

Hardness, Shore D

23.0 °C

55 - 65 [-]

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ASTM D2240

Impact strength, Izod notched, ASTM

23.0 °C

640 - 800 J/m

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ASTM D256

Poisson's ratio

25.0 °C

0.47 [-]

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Tensile strength

23.0 °C

32 - 35 MPa

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ASTM D638

Yield strength

23.0 °C

16 - 18 MPa

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ASTM D638

Thermal

PropertyTemperatureValueComment

Brittleness temperature

-18.15 °C

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ASTM D746

Coefficient of thermal expansion

23.0 °C

6.7E-4 1/K

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for 140 to 240°C

Glass transition temperature

248 - 256 °C

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DMA

Heat deflection temperature, 0.45 MPa

101.85 - 112.85 °C

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ASTM D648

Heat deflection temperature, 1.80 MPa

53.85 - 59.85 °C

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ASTM D648

Thermal conductivity

23.0 °C

0.22 W/(m·K)

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ASTM C177

Electrical

PropertyTemperatureValue

Dielectric constant, 100Hz

23.0 °C

2.53 [-]

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Dissipation factor, 100Hz

23.0 °C

5E-4 [-]

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Optical

PropertyValue

Refractive index

1.51 [-]

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Rheological Properties

PropertyValueComment

Melt mass-flow rate

0.4 g/10min

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ASTM D 1238(E)

Technological properties

Property
Application areas

Hot water and high-pressure piping, films, adhesives, comonomer for ethylene polymers. Atactic polymer is used in sealants.