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CGSTAPE - 8258

CGSTAPE - 8258 is a polyimide backing and silicone adhesive offers outstanding thermal resistance and excellent electrical insulating properties. This tape is used where toughness, puncture resistance, extreme resistance to heat, and flame retardance are required.

Product Type: Tape

Application Area: Bobbin Wound Coils, Coils, Electronic Components, Gold Fingers, Traction Motors

Chemical Family: Silicones

Features: Electrically Insulating, Flame Resistant, Good Thermal Stability, Good Toughness, Puncture Resistant, Very Good Heat Resistance

Technical Data Sheet
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Identification & Functionality

Backing Material Type
Chemical Family
Product Type
Product Construction
Backing Adhesive Liner Color
HN Polyimide Film Silicone None Amber

 

Features & Benefits

Product Highlights

Polyimide Tape : Polyimide tape, also known as Kapton tape, has excellent physical, electrical, and mechanical properties over a wide range of temperatures. This makes them an excellent choice for any high temperature and electrical insulation application. Such examples include, but are not limited to, coil insulation, magnetic wire insulation, automotive and aerospace electronics, high temperature powder coating masking and masking of printed circuit boards in the wave soldering process.

  • Good Chemical Resistance
  • High Electrical Resistance
  • High-Temperature Resistance

 

Polyimide high temperature tapes are manufactured by coating the polyimide film with a desired adhesive system, with the film thickness ranging from 0.5 mil to 10 mils, adhesive thickness of 0.5 mil to 2 mils. CGS has the capabilities to coat both silicone and acrylic adhesives that can be removed cleanly, leaving no residue in high temperature applications. We have also developed specialty adhesive systems such as:

  • Low outgassing
  • Ultra thin
  • High temperature
  • High tack
  • Polyimide tape is naturally an amber color, but through our process, the tape can also be supplied in other colors, such as green, red, or clear, which makes it easier for color coding.
  • Maximum Temperature : Standard polyimide film tape with silicone adhesive can be used in applications up to 260°C/500°F. For even higher temperature resistance, our HT version uses a special grade of silicone adhesive that allows the tape to go 300°C/572°F.
  • Shelf Life : The standard shelf life for polyimide with pressure sensitive adhesive (PSA) is 2 years from date of manufacture when stored in room conditions with a temperature of 75 degrees F and a relative humidity of 50%.

Applications & Uses

Applications
  • Used on gold fingers for protection in wave soldering
  • Is being used as ground barrier and phase insulation in high performance coils
  • Also used as an outer wrap on small bobbin wound coils and on form wound coils for traction motors.

Properties

Color
Typical Properties
ValueUnitsTest Method / Conditions
Backing Thickness1.0milASTM D-3652
Total Thickness2.5milASTM D-3652
Adhesion to Steel25.0oz./inASTM D-3330
Tensile Strength30.0lbs/inchASTM D-3759
Elongationmin. 55%ASTM D-3759
Dielectric Strength6500.0voltsASTM D-149
Insulation Resistance1000000.0mega ohms
Electrolytic Corrosion1.0
Operating Temperature Range-100 to 500°F
Note

The following data are nominal values based on PSTC, ASTM and other standard tests. The data should not be considered as specifications

Regulatory & Compliance

Certifications & Compliance
RoHs/REACH Compliant

This Product Complies with the European Union’s “Restriction of Hazardous Substances” (RoHs) initiative and with European REACH regulation.

Government Compliant

Mil- P - 46112B/ ASTM D 5213 , Type 1, Item A