834FX potting and encapsulating compound is a black, flexible, flame retardant, thermally conductive two-part epoxy that offers extreme environmental, mechanical and physical protection for printed circuit boards and electronic assemblies.

This product is designed for applications where minimizing the physical stress on components is critical. It is also good in low temperature and arctic environments, as well as applications that involve temperature cycling or rapid temperature changes. It provides the functionality of silicone, but with the durability and cost-effectiveness of epoxy. 

It also provides excellent electrical insulation and protects components from static discharges, vibration, abrasion, thermal shock, environmental humidity, salt water, fungus, and many harsh chemicals.

This epoxy has a convenient 1:1 volume mix ratio, making it compatible with most dispensing equipment. 834FX can be cured at room temperature or higher. 


 Features and Benefits
  • Flexible and high modulus
  • Meets UL 94V-0 standard—flame retardant
  • Convenient 1A:1B volume mix ratio
  • Low exotherm
  • Low Tg of 0.7 °C (33 °F)
  • Thermal conductivity of 0.61 W/(m·K)
  • Good adhesion to a wide variety of substrates including metals, composites, glass, ceramics, and many plastics
  • Excellent electrical insulating characteristics
  • Broad service temperature range -50 to 150 °C (-58 to 302 °F)
  • Contains non-halogenated flame-retardant fillers
  • Solvent-free


Catalog Number Size Packaging
834FX-450ML 450 mL (15.2 fl oz) 2 Bottle kit
834FX-1.7L 1.7 L (1.79 qt) 2 Can kit

Safety Data Sheet
Technical Data Sheet


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