Datasheets High performance plastics

Polyimid Vespel® SP-1

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PropertyValueUnitNorm
Density 1,43 g/cm³ ISO 12086
Maximum continuous operating temperature 255 °C -
Maximum operating temperature 480 °C -
Minimum continuous operating temperature -273 °C -
Ball pressure hardness - N/mm² DIN 53456
Water absorption in air 50%rH 1,3 % DIN 53715
Water absorption in water (23°C) - % DIN 53495
Coefficient of friction-v-steel - Dynamic 0,29 - -
Wear in air-dry PV=0,875 mPa m/s 17 M/S.10-10 -
Elongation at break (23°C) 7 % Min. DIN 53455
Tensile strength (23°C) 80 N/mm² DIN 53455
Tensile modulus (23°C) 3100 N/mm² DIN 53457
Compr. Strength at 1% deformation (23°C) - N/mm² DIN 53454
Compr. Strength at 0,1% deformation (23°C) 51 N/mm² DIN 53454
Coefficient of thermal expansion up to 150°C - 1/K.10-5 -
Coefficient of thermal expansion over 150°C 5,5 1/K.10-5 -
Thermal conductivity (23°C) 0,35 W/K.m DIN 52612
Dielectric strength 22 KV/mm DIN 53481

Remark : N/mm² ≈ MPa

VESPEL® is a registered trademark of E.I. du Pont de Nemours and Company. TFM® is a trademark of Dyneon. ©2018 Vanéflon NV
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