TECACOMP PBT TC black 4207

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Description

PBT (Polybutylene terephthalate) filled with graphite and showing high thermal conductivity as well as electrically conductivity

This material data has been provided by Ensinger GmbH.

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

1.59 g/cm³

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Water absorption

23.0 °C

0.1 %

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max., DIN EN ISO 62, 23 °C / 50 % relative humidity up to saturation

Mechanical

PropertyTemperatureValueComment

Elastic modulus

23.0 °C

8.5 GPa

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DIN EN ISO 527-1

Elongation

23.0 °C

1 %

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DIN EN ISO 527-1

Impact strength, Charpy unnotched

23.0 °C

8 kJ/m²

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DIN EN ISO 179-1eU

Tensile strength

23.0 °C

45 MPa

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DIN EN ISO 527-1

Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

61.5 °C

6.5E-5 1/K

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DIN EN ISO 11359-1;2, values applicable for the range 61.5±38.5°C

Coefficient of thermal expansion, transverse

61.5 °C

8.5E-5 1/K

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DIN EN ISO 11359-1;2, values applicable for the range 61.5±38.5°C

Glass transition temperature

60 °C

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DIN 53765

Heat deflection temperature, 1.80 MPa

190 °C

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ISO-R 75 Method A

Max service temperature, long

110 °C

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Max service temperature, short

170 °C

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Melting point

225 °C

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DIN 53765

Specific heat capacity

23.0 °C

1500 J/(kg·K)

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DIN EN 821

Thermal conductivity, in-plane

23.0 °C

11.5 W/(m·K)

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DIN EN 821

Thermal conductivity, through-plane

23.0 °C

3 W/(m·K)

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DIN EN 821

Flammability

UL94 class HB, DIN IEC 60695-11-10

Electrical

PropertyTemperatureValueComment

Surface resistivity

23.0 °C

10000 Ω/sq

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max., DIN EN 61340-2-3

Volume resistivity

23.0 °C

100000 Ω·cm

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max., DIN EN 61340-2-3

Rheological Properties

PropertyTemperatureValueComment

Melt mass-flow rate

19 g/10min

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DIN EN ISO 1133, 280°C/5kg

Melt volume-flow rate

12 cm³/10min

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DIN EN ISO 1133, 280°C/5kg

Shrinkage

23.0 °C

0.8 %

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DIN EN ISO 294-4

Shrinkage, transverse

23.0 °C

0.9 %

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DIN EN ISO 294-4

Technological properties

Property
Application areas

Electrical engineering , Mechanical engineering , Automotive industry

camera, moulded interconnect device (PCB, LDS), power distribution in electronics and radar

Color

Black

Detectability

Fillers

Graphite

Processing methods

Permissible residual moisture content (%): 0.02, drying temperature (°C): 120, drying time (h): 6, mould temperature (°C): 130, material temperature (°C): 280, cylinder/processing temperature (°C): 270