ARALDITE® ECN 1273 is a polyepoxide resin produced by reacting epichlorohydrin with an ortho-cresol formaldehyde novolac. The molecular weight of the novolac controls the resin’s molecular weight and functionality, which ranges from 2.5 to 5.5 reactive groups per molecule. Unlike conventional bisphenol-A based epoxy resins, this polyepoxide offers multiple reactive sites, enhancing crosslinking density and performance.
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