Engineering and High Performance Plastics
Engineering and High Performance Plastics
Stretching the boundaries of plastics applications . . .

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Vespel® Polyimide

  
Parts machined from Vespel® shapes provide a combination of properties unmatched by any other material. Vespel parts:
  • can be machined with standard metal working equipment and techniques.
  • will not melt at any temperature
  • perform up to 288°C (550°F) continuously-excursions to 482°C (900°F).
  • have excellent creep resistance under high pressure.
  • are not brittle, even at -240°C (-400°F).
  • can operate at extremely high PVs.
  • require little or no lubrication.
  • will not gall or fret.
Resin
Designation 		Description Key Benefits
SP-1 Unfilled base resin Provides maximum physical strengths elongation and toughness and best electrical and thermal insulation.
SP-21 *15%, by weight, graphite1 filler Graphite added to provide low wear and friction for bearings, thrust washers, and dynamic seals.
SP-22 *40%, by weight, graphite1 filler Same as SP-21 for wear and friction plus improved dimensional stability. It has the lowest coefficient of thermal expansion.
SP-211 *15%, by weight, graphite1 filler and 10%, by weight, Teflon® fluorocarbon resin2 fillers Has lowest coefficient of friction over wide range of operating conditions. Also, has the lowest wear rate up to 149°C (300°F).
SP-3 *15%, by weight, molybdenum disulfide2 MoS2 added to provide lubrication for seals and bearings in vacuum or dry environments.
*Nominal   1 Encapsulated   2Dry Blended  

Availabilities:
Rods: 1/4"-3 1/4" Diameter x 9.5" or 38" Lengths
Plaques: 1/16"-2" Thickness x 10"x10", 10"x5", 5"x5"

Vespel® is a registered trademark of E.I. duPont

  

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KAPTON® Polyimide Film

    
KAPTON® polyimide film is an exceptionally strong, heat resistant film with an excellent combination of mechanical and electrical properties. KAPTON® has been used successfully in various applications at temperatures from -269°C to 400°C. It is flame resistant, does not melt, resists effects of organic solvents and has a very high resistance to high-energy radiation. Availabilities:
.0005"-.005" Thick
36" Master Rolls
Slit Widths Available
Upon Request.

TYPE H

An all-purpose uncoated film with toughness and dielectric integrity at a very high and very low temperatures.

TYPE V

An all-purpose uncoated film with all the properties of Type H, plus superior dimensional stability.

TYPE F

A Type H film coated on one or both sides with REFLON® FEP fluorocarbon resin to impart heat sealability, provide a moisture barrier, and enhance chemical resistance.
KAPTON® is a registered trademark of E.I. duPont Co.  
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