Vespel®(High-Performance Polyimide-Based Plastic)
Vespel® is a high-performance material with notable characteristics: it withstands wide temperature ranges; it is wear and chemical resistant; it has excellent mechanical and insulation properties; it has natural lubricity; and unlike most polymers, it does not produce significant outgassing even at high temperatures. Vespel does not melt at any temperature. As a result, it is used in many aerospace, semiconductor and transportation applications.
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|Density||1.33e3 - 1.43e3||kg/m^3||0.048 - 0.0517||lb/ft^3|
|Yield Strength||8.62e7 - 8.96e7||Pa||12.5 - 13||ksi|
|Tensile Strength||7.24e7 - 1.18e8||Pa||10.5 - 17.1||ksi|
|Elongation||0.075 - 0.9||% strain||7.5 - 90||% strain|
|Hardness (Vickers)||2.54e8 - 2.64e8||Pa||25.9 - 26.9||HV|
|Impact Strength (unnotched)||7.9e3 - 9e3||J/m^2||3.76 - 4.28||ft.lbf/in^2|
|Fracture Toughness||2.16e6 - 6.4e6||Pa/m^0.5||1.97 - 5.82||ksi/in^0.5|
|Young's Modulus||2.07e9 - 2.76e9||Pa||0.3 - 0.4||10^6 psi|
|Max Service Temperature||221 - 241||°C||430 - 466||°F|
|Melting Temperature||375 - 401||°C||707 - 754||°F|
|Insulator or Conductor||Insulator||Insulator|
|Specific Heat Capability||1.39e3 - 1.45e3||J/kg °C||0.333 - 0.346||BTU/lb. °F|
|Thermal Expansion Coefficent||8.1e-5 - 1.01e-4||strain/°C||45 - 56||µstrain/°F|
|CO2 Footprint||9.08 - 10||kg/kg||9.08 - 10||lb/lb|
∗ The information on this page is intended as general guidance only and is only accurate at the time of posting (see date below). Specific material properties vary by manufacturer. Please contact a Dielectric application engineer for help in choosing the optimal material for your application and budget.
Posting Date: August 16, 2012