Low Viscosity, Two Component Epoxy


Suitable  for large castings, Master Bond EP21LVSP6 combines a low viscosity and low  exotherm with a working life of 3-5 hours. It can also be used for bonding,  sealing and coating applications in aerospace, electronic, electrical, optical  and other specialty industries. This  two part epoxy offers has a non-critical one to one mix ratio, by weight or  volume and its processing is facilitated with color coding—Part A is clear and  Part B is amber clear.  It is formulated  to cure at room temperature or more rapidly at elevated temperatures. 

EP21LVSP6  bonds well to a variety of similar and dissimilar substrates such as metals,  composites, glass, ceramics, rubbers and plastics. It has a tensile strength  exceeding 7,000 psi and a tensile lap shear strength greater than 2,500 psi. The  system is able to withstand chemicals including water, oil, fuel, acids and  bases. It is a competent electrical insulator over the temperature range of -60°F to +250°F. EP21LVSP6 is available  in a variety of packing options, including ½ pint, pint, quart, gallon and 5 gallon kits as well as a  gun dispenser.


  • working life of 3-5 hours
  • withstands chemicals
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