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Von Roll

Electrowind carries a wide variety of flexible insulations from several manufacturers. Call today for further product information.

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Class 105C Products Class 130C Products Class 155C Products
Class 180C Products Custom Applications Class 220C Products
Typical Insulations for Motors Typical Insulations for Transformers

Von Roll Products by Temperature Class:


Class 105C

RM (Rag Paper/Polyester Film)
Slot liner phase insulation for motors and generators. Ground, barrier and layer insulation for dry type transformers.

KM (Kraft Paper/Polyester Film)
Low cost ground, barrier and layer insulation for dry type transformers.

1265, (Oleoresinous Bias Cut Varnished Cambric - Black)
Phase insulation for motors and generators. Ground, barrier and layer insulation for dry type transformers. Wrapping of armature coils, bus bars, cable joints.

1266, (Oleoresinous Bias Cut Varnished Cambric - Yellow)
Phase insulation for motors and generators. Ground, barrier and layer insulation for dry type transformers. Wrapping of armature coils, bus bars, cable joints.

1268, (Oleoresinous Straight Cut Varnished Cambric - Black)
Phase insulation for motors and generators. Wrapping of corners and irregular shapes.

1267, (Oleoresinous Straight Cut Varnished Cambric - Yellow)
Phase insulation for motors and generators. Ground, barrier and layer insulation for dry type transformers. End windings and general sheet insulation.
KRM (Kraft Paper/Polyester Film)

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Class 130C

FCM (Friction Coated Polyester Film - New Improved Coefficient of Friction)
Slot liner and phase insulation for motors and generators. Ground, barrier and layer insulation for dry type transformers.

8176-1,8176-8 (NEMA & Low Cost Varnished Glass Cloth)
Phase insulation for motors and generators. Ground, barrier and layer insulation for dry type transformers. Wrapping Applications.

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Class 155C

P70, DMD 70%
Phase insulation for motors and generators. Ground, barrier and layer insulation for dry type transformers.

Memco 100
(The Largest Selling Hermetic Grade DMD Available, Over 25 Years of Reliable Service. 100% Epoxy Saturated) - Slot liner, wedge and phase insulation for motors and generators.

Pyrolam® 100
(Outstanding Thermal Stability, Polyester Saturated) - Slot liner, wedge and phase insulation for motors and generators.

NM (Nomex ®/Polyester Film)
2 Ply Slot liner and phase insulation for motors and generators. Ground insulation for dry type transformers.

5J51, 5M56 (Varnished Dacron-Glass)
Phase insulation for motors and generators. Ground, barrier and layer insulation for dry type transformers. Hand and machine wrapping of irregular shapes.

5J44, 5J47 (Low Cost Varnished Glass)
Phase insulation for motors and generators. Ground, barrier and layer insulation for dry type transformers. Wrapping applications.

5JF67 (Chemical Resistant, Hydrolitically Stable Epoxy Varnished Glass Cloth)
Phase insulation for motors and generators. Ground, barrier and layer insulation for dry type transformers. Wrapping applications.

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Class 180C

NMN (Nomex ®/Polyester Film)
Slot liner and phase insulation for motors and generators. Ground insulation for dry type transformers.

Pyromid® 180
(Aramid Mat/Polyester Film 100% Epoxy Saturated. Looks and Handles Like DMD.) - Slot liner and phase insulation for motors and generators. Ground insulation for dry type transformers.

TFT (Cequin/Polyester Film)
Slot liner and phase insulation for motors and generators. Ground insulation for dry type transformers.
Inorganic Paper/Polyester Film
Inorganic Paper/Glass Cloth

5JF44, 5JF47 (Highly Flexible, Low Cost Varnished Glass)
Phase insulation for motors and generators. Ground, barrier and layer insulation for dry type transformers. Wrapping applications.

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Class 220C

NKN (Nomex®/Kapton® Film)
Slot liner and phase insulation for motors and generators. Ground insulation for dry type transformers.

Pyromid® 180
(Aramid Mat/Polyester Film 100% Epoxy Saturated. Looks and Handles Like DMD.) - Slot liner and phase insulation for motors and generators. Ground insulation for dry type transformers.

8929 (Silicone Resin Coated Glass)
Phase insulation for motors and generators. Ground, barrier and layer insulation for dry type transformers. High temperature wrapping applications.
5J98 (Silicone Rubber Coated Glass)

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TYPICAL FLEXIBLE INSULATION PRODUCTS FOR MOTORS

CLASS 105C SLOT AND PHASE INSULATION
  • Rag Paper/Polyester Film
  • Varnished Glass Cloth, 8176-8
  • Oleoresinous Varnished Cambric 1266 or 1267
CLASS 130C SLOT AND PHASE INSULATION
  • DM70, Memco 100 H or Pyrolam® 100
  • FCM Friction Coated Polyester Film
  • Varnished Glass Cloth, 5JF44 or 5JF47 WEDGES
WEDGES
  • Formed Memco 100 H or Pyrolam® 100
CLASS 155C SLOT AND PHASE INSULATION
  • DM70, Memco 100 H or Pyrolam® 100
  • FCM Friction Coated Polyester Film
  • Varnished Glass Cloth, 5JF44 or 5JF47
CLASS 180C SLOT AND PHASE INSULATION
  • Pyromid® 180, Nomex® Mat/PoIyester Film
  • NMN Nomex® Paper/Polyester Film
  • Varnished Glass Cloth, 5JF44 or 5JF47
WEDGES
  • Formed Pyroglass®
  • Formed Pyromid® 180
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TYPICAL FLEXIBLE INSULATION PRODUCTS FOR TRANSFORMERS

DRY TYPE-LAYER AND GROUND

CLASS 105C
  • Kraft Paper/Polyester Film
  • Varnished Glass Cloth, 8176-8
  • Friction Coated Polyester Film
CLASS 130C
  • Kraft Paper/Polyester Film
  • Friction Coated Polyester Film
  • Varnished Glass Cloth, 5JF44 or 5JF47
  • Pyrolam® 70, Memco 100, Pyrolam® 100
CLASS 155C
  • Pyrolam® 70, Memco 100, Pyrolam® 100
  • Varnished Glass Cloth, 5JF44 or 5JF47
  • Inorganic Paper/Polyester Film
CLASS 180C
  • Inorganic Paper/Glass Cloth
  • Varnished Glass Cloth, 5JF44 or 5JF47
OIL FILLED - LAYER AND GROUND
  • Diamond Pattern Paper, 5M17 or WH9O
  • Coated Crepe Paper, ET-1592
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CUSTOM APPLICATIONS

WH90 Epoxy Diamond Kraft Paper

Thermally Upgraded Kraft Paper
Heat Curable epoxy resin diamond pattern coated thermally upgrade kraft paper. Layer insulation for oil filled transformers. Ground, insulation for oil filled transformers.

5M63, 5M64, B-Stage Epoxy Coated Nomex®
Slot liner and phase insulation for motors and generators. Ground, barrier and layer insulation for dry type transformers. Conductor insulation.

5M58, The Ultimate B-Stage Banding Tape
Armature banding. Outer wrap for power transformer coils.

5M48, 5M62, B-Stage Polyester Coated Glass Cloth -Armor Tape
Coil wrapping.

5M51, B-Stage Epoxy Coated Dacron-Glass Cloth - Armor Tape
Outer binder tape for stator and armature coils. Coil wrapping.

5M52, 5M53, B-Stage Epoxy Saturated Dacron Felts
Structural Bracing Material - Stator winding bracing.

5M35, Epoxy Resin Treated Polyester Mat
Coil wrapping.

5M73, Polyester Resin Treated Polyester/Glass Cloth
Hand wrapping of armature or stator coils. Other wrapping applications where high flow is required.

5M74, High Temperature Polyester Resin Treated Glass Cloth
Coil wrapping.

5M75, Polyester Resin Treated High Tensile Glass Cloth
Coil wrapping.

5M82, Polyester Resin Treated Polyester/Glass Cloth
Coil wrapping.

5J68, Polyester Resin Treated Polyester/Glass
Coil wrapping.

5M77, Heat Resistant Epoxy Resin Treated Glass Cloth
Bounding insulation for edge wound coils.

5M65, Pressure Sensitive Nomex® Paper

5M17, Heat Curable Epoxy Resin Diamond Pattern Coated

Thermally Upgraded Kraft Paper
Layer insulation for oil filled transformers. Ground insulation for oil filled transformers.

5J98, Fully Cured Silicone Rubber Coated on a Glass Cloth
Layer insulation in dry transformers and as a cable tape for power cables.

Aluminum Foil

Pressure Sensitive Adhesive Available on Selected Products

WH-90, Diamond Pattern Epoxy Coated Kraft Paper

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