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Master Bond Inc.'s EP21TDCHT-LO two part epoxy adhesive/sealant is specially formulated for demanding applications where factors like temperature cycling, high vibration, and mechanical shock are an issue. It withstands cryogenic temperatures and meets NASA low outgassing specifications. This versatile system is used for a wide variety of structural, electronic, aerospace, medical, and oil and chemical processing applications. EP21TDCHT-LO has a convenient mix ratio of 1:1 by weight or volume and is formulated to cure at room temperature or more rapidly at elevated temperatures.
As a toughened system, EP21TDCHT-LO is particularly well suited for bonding dissimilar substrates, especially when they have differing coefficients of expansion. It has an outstanding service temperature range from 4K to +350°F. Other notable features include a shear strength exceeding 2500 psi, a peel strength of greater than 20 pli, and a Shore D hardness of greater than 60. The cured epoxy has excellent chemical resistance and is an electrical insulator.
Parts A and B are available in half pint, pint, quart, one gallon and five gallon containers.
Related Glossary Terms
- hardness
hardness
Hardness is a measure of the resistance of a material to surface indentation or abrasion. There is no absolute scale for hardness. In order to express hardness quantitatively, each type of test has its own scale, which defines hardness. Indentation hardness obtained through static methods is measured by Brinell, Rockwell, Vickers and Knoop tests. Hardness without indentation is measured by a dynamic method, known as the Scleroscope test.
- shear strength
shear strength
Stress required to produce fracture in the plane of cross section, the conditions of loading being such that the directions of force and of resistance are parallel and opposite although their paths are offset a specified minimum amount. The maximum load divided by the original cross-sectional area of a section separated by shear.
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