Polyurethane Potting Compound

Description

Epoxies, Etc., a leading manufacturer of adhesive products, has released a new plant-based potting, casting and encapsulating compound for electronic applications with low toxicity requirements. Called 20-2121 Polyurethane, this environmentally-friendly alternative to conventional potting compounds is made from natural oil polyol instead of fossil fuel feedstocks. As a low toxicity product, 20-2121 meets FDA food contact requirements and contains no TDI, MbOCA or Mercury. Other properties include:

  • Little shrinkage or exotherm. 
  • Alleviation of mechanical and thermal stresses on sensitive electrical components.
  • Limited stress on electronics with good elastomeric properties.

The 20–2121 compound stacks up well against traditional urethane potting compounds with a tensile strength of 2,000 psi and a tear strength of 119 PLI. It has a mixed viscosity of 2,000 cps at 25°C and a gel time of 20 minutes at 60°C.

Specs

  • environmentally-friendly
  • tensile strength of 2,000 psi
  • tear strength of 119 PLI.


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