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Polyglass tape

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Description


Polyglass (esterbant) bandage tape is made of glass fibers pre-impregnated with a special thermosetting resin based on PEI – polyesterimide. Also called non-woven glass tape, it has excellent thermal insulation properties compared to other types of bandage tapes and has thermal insulation class F (155° C) or class H (180° C). The glass banding tape features resistance to high temperatures and high humidity. Polyglas tape is easy to process and apply, which saves labor and effort and speeds up the production process. The advantage of polyglass banding tape over the woven fiberglass banding tape is in the strength it gains after baking and the adhesion it obtains, making the construction more durable.

Areas of application

  • specially designed for application in electric motors that are subjected to thermal loads
  • banding of electric windings of rotors and stators of electric motors, collectors
  • magnetic cores
  • elements in dry and oil transformers
  • traction engines
  • high voltage electric motors and generators
  • others

Stock

Width
(mm)
Length
(m)
20200

Specifications

PropertiesUnitValue
Thicknessmm0,30 ± 0,05
Widthmm20 ± 10%
Binder content%27 ± 2
Fiber content per cm widthpcs.30 ± 1
Elasticity strength at room temperature (20_± 5 °С)N/mm>200
Relative elongation at 20 °С%<1,6
Temperature index°С155 / 180
Maximum tensile strength when bandingN/mm80
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