Impregnating Varnishes and Finishing Varnishes - Herberts® Electro - Industrial Coatings - Performance Coatings
 
   
 
 
Herberts® Electro
Impregnating Varnishes and
Finishing Varnishes
In this text:
Finishing Varnishes
Impregnating Varnish
 
 
 
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Finishing Varnishes*
Product Characteristics/Applications Colour Thermal class
acc. to
IEC 85
  Curing
E 2704
colourless
varnish for protection against humidity; unpigmented, air-drying; for transformers, circuit boards and electrical windings transparent E   12 h 23 °C
or
1 h 70 °C
E 2704
pigmented
varnish for protection against humidity; pigmented, air-drying; for transformers, circuit boards and electrical windings gray
black
mat black
B   12 h 23 °C
or
1 h 70 °C
E 2723 finishing varnish, specially for electrical machines, air-drying; good temperature resistance, resistant to mold growth, seawater and climatic stress red B - F   10-12 h 23 °C
or
1 h 70 °C
E 2725 finishing varnish, quickly air-drying; resistant to impregnating resins; for painting of transformer cores before impregnating black mat B   1-2 h 23 °C
or
1 h 70 °C
E 2728 finishing varnish, quickly air-drying; for electrical windings and devices transparent B   10 h 23 °C
or
30 min 70 °C
 
*The employed tests comply with state-of-the-art technology regarding methods and accuracy. The quoted measuring results do not constitute a legal warranty of specific purpose.
 
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Impregnating Varnish*
Product Applications Chemical base Temp.-class
acc. to IEC 85
Temp.-class
acc. to UL
E 1140 impregnating varnish for universal use; tough hard with very good temperature resistance; for rotors, stators and transformers; very good resistant against different chemical and climatic stresses Polyesterimide/ Phenolic Resin F - H 200 T.P. 200 H.C.
           
T.P.=Twisted Pair ASTM 2307, H.C.=Helical Coil ASTM 3145
 
*The employed tests comply with state-of-the-art technology regarding methods and accuracy. The quoted measuring results do not constitute a legal warranty of specific purpose.
 
Last updated 28.03.2001
 
In addition to Herberts® Electro offers a wide range of Electrical Insolation System (EIS). Further information you will find at www.e-insulationsys.com.

 

 
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