Toughened, thermally conductive epoxy

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Application Tips

  1. EL-1621 is used for structural bonding of side panel in metro rail coaches, lighting, vacuum, optoelectronic, aerospace and related industries.
Replaces boltrivetssolderingbrazing
Available pack size 50ml,400ml,Bulk
Standards RoHS, REACH
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Chemical Composition Thixotropic Epoxy
Curing Mechanism Polymerization on mixing of Part A & Part B .
Mixing Ratio by Volume 1 : 1
Color It depends upon the customer requirement.
Recommended substrates Metals , Ceremics , plastic , rubber & glass
Pot Life 15 – 25 minutes
Full Cure time At 23°C 2 to 3 days , At 90°C 1 to 2 hours
Max gap fill N/A
Shear Strength > 3300 psi
Hardness > 85 Shore D
Service Temperature -70°C to +204°C

Features and Benefits

EL-1621 HV offers remarkable toughness and superior peel strength.
Capable of passing NASA low outgassing.
Offers an extensive serviceable temperature range of -70°C to +204°C.


  • Product offers high thermal conductivity and can be used as a coating over copper pipes to increase heat dissipation.
  • This is a highly thixotropic product which makes it ideal for use on vertical surfaces where non-drip properties are desired.