Liquid Isolator

Do you wish to isolate electrical contacs on places where it is difficult to get to?
Do you look for a isolation solution which meets aviation standards and requirements?

Liquid Isolator is the product you are looking for!

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  • Isolates components & cables
  • Permanent seal
  • Does not brittle or frail
  • Quick application
  • Removable without residue
  • Dielectric strength: 22 kV/mm according ASTM D149-09
  • Flammability tested according CS/FAR 25.853, large aeroplanes
  • Description
  • Diagrams And Specifications
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Available only at KUERZI Aviation, the Liquid Isolator is a unique product which meets aviation standards and is loved by many maintenance organizations. 
After only 10 minutes, Liquid Isolator is dry and odorless, seals permanently and gets neither brittle nor frail. It does not corrode other materials and can be removed without leaving any residues.

Liquid Isolator is a mono-compound, permanent rubber isolator. The material is sprayed, dipped or applied with an applicator onto electrical connections to protect and seal these connections and to protect mechanics and personnel from harm. Liquid Isolator is useful in particular for cables and components that are difficult to reach and of unusual shapes
and forms.

Liquid Isolator is weather and UV-resistant for 3 -5 years. It is acid, saline and base resistant as well. Liquid Isolator is free of silicon, sulfur and chlorine. The product is not to be used on acrylic glass (PMMA) such as Plexiglas or polycarbonate such as Lexan.
The temperature application ranges from -34°C to 93°C (-29°F to 200°F). Liquid Isolator has a dielectric strength of 22 kV/mm, tested in accordance with ASTM D-149-09 (2013) standard and fulfills the flammability requirements for large aeroplanes according to CS/FAR 25.853 Appendix F.

Considering the wide range of uses, Liquid Isolator can be used in seafaring on cruise ships, cargo ships, the automotive industry etc.

Configuration / Ordering Data

Part NumberTypeDescription
1212911.91LIQUID ISOLATOR (BLACK)Mono-compound liquid isolator for electronic application



Ambient temperature -34°C to 93°C (-29°F to 200°F)

dielectric strength

dielectric strength 22 kV/mm - according to ASTM D-149-09 (2013)


Flammability CS/FAR 25.853 Appendix F

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