Polymer System EP31 Electrically-Insulating Structural Adhesive

A chemically-resistant, electrically-insulating structural adhesive from Master Bond Inc. has exceptional strength properties.

Ep31 Ver2 10222665
Grey Red2line270x49 10342602

Master Bond’s EP31 is a versatile, two component epoxy system for demanding structural applications for adherence to a wide variety of substrates including many metals, plastics, rubbers, ceramics and glass.

  • Lap shear strength exceeding 4,600 psi
  • Peel strength surpassing 40 pli
  • Tensile modulus of more than 410,000 psi
  • Flexural strength of over 13,000 psi
  • Resistance to many chemicals including water, oil and fuels
  • Electrical insulator
  • Can cure at room temperature or more quickly at elevated temperatures
  • Shore D hardness of greater than 75
  • Low shrinkage upon cure
  • Processed with a convenient 3 to 1 mix ratio by weight
  • Service temperature range of -60 to 250 F

Available in both black and optically clear, EP31 is sold in half pints, pints, quarts, 1 gallon and 5 gallon containers. It is also available in a convenient non-drip version called EP31ND.

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