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Electrically Insulative Structural Adhesive Is Chemically Resistant

For superb adherence to a wide variety of substrates, including many metals, plastics, rubbers, ceramics, and glass, Polymer System EP31 was developed by Master Bond Inc. This two part system features extraordinary adhesion with a lap shear strength exceeding 4,600 psi, a peel strength surpassing 40 pli, a tensile modulus of more than 410,000 psi, and a flexural strength of over 13,000 psi.

With an excellent resistance to many chemicals, including water, oil, and fuels, it is also an outstanding electrical insulator. EP31 has a versatile cure schedule and can cure at room temperature or more quickly at elevated temperatures.

Other notable characteristics include a Shore D Hardness of greater than 75 and low shrinkage upon cure. It is easily processed with a convenient three-to-one mix ratio by weight and has a service temperature range of -60 to 250ºF.

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

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