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Ensinger SPI

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Ensinger TECASINT 8001 Polytetrafluoroethylene (PTFE) + Polyimide, 20% (PI)
Categories: Polymer; Thermoplastic; Fluoropolymer; Polytetrafluoroethylene (PTFE); Polyimide, Thermoplastic

Material Notes: TECASINT is a range of non-melting high temperature polyimides characterized by high strength over a wide range of temperatures, good long term thermal stability, minimal thermal expansion and excellent wear resistance among other things. The TECASINT 2000 series offers these enhanced thermal properties along with lower moisture absorption, a higher degree of toughness, and better machining properties. TECASINT 2011 is unfilled, while TECASINT 2021 contains 15% graphite which offer improved wear resistance and a lower coefficient of friction. TECASINT 2000 series with their superior physical properties, are ideal for application in the aerospace, nuclear, automotive, electrical/electronics, and chemical processing industries.

    Main Features
  • Antiadhesive
  • Strong
  • Good chemical resistance
  • Very good UV and weather resistance
  • Flame retardant according to UL94 V-0
  • Very tough
  • Very good electrical insulation
  • Good slid and wear properties
  • Easily machined

    Applications
  • Mechanical engineering
  • Fittings
  • Cryogenics
  • Medical technology
  • Conveyor technology
  • Electrical engineering
  • Food technology
  • Textile industry

Preferred Fields

Valve seats, piston guides, sliding rails, ring seals, bearing discs, bearings

Information Provided by Ensinger, Inc.

Key Words: PTFE, PI
Vendors: Ensinger High Performance Plastics withstand severe environments, resist harsh chemicals, and perform well in extreme temperatures. They offer weight savings that have potential to drive lower cost systems.

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Physical PropertiesOriginal ValueComments
Density 1.88 g/cc
@Temperature 23.0 °C
DIN 53 479
Filler Content 20 %PI
Water Absorption 0.70 %
@Temperature 23.0 °C,
Time 86400 sec
EN ISO 62
 
Mechanical PropertiesOriginal ValueComments
Hardness, Shore D 65
@Temperature 23.0 °C
DIN 53 505
Tensile Strength, Yield 15.0 MPa
@Temperature 23.0 °C
EN ISO 527
Elongation at Break 200 %
@Temperature 23.0 °C
EN ISO 527
 
Electrical PropertiesOriginal ValueComments
Volume Resistivity 1.00e+18 ohm-cm
@Temperature 23.0 °C
IEC 60093
Dielectric Constant 2.3
@Frequency 10000 Hz,
Temperature 23.0 °C
IEC 60250
 
Thermal PropertiesOriginal ValueComments
CTE, linear 144 µm/m-°C
@Temperature 50.0 - 200 °C
DIN 53 752
Specific Heat Capacity 1.00 J/g-°C
Thermal Conductivity 0.250 W/m-K
@Temperature 40.0 °C
ISO 8302
Glass Transition Temp, Tg -20.0 °CDMTA
Flammability, UL94 V-0
 
Descriptive Properties
ColorOchre Brown
DIN-AbbreviationTF PI

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