Bostik El Heneral All-PurposeEl Heneral All Purpose Epoxy Multi purpose thermosetting material that exhibits excellent bonding properties on various materials such as concrete metal, wood, glass, ceramics and porcelain. Parts bonded with Bostik El Heneral exhibit excellent adhesive strength and high resistance to water, most acids, most alkali and other chemicals. Uses: This adhesive is ideal for bonding applications such as joining old to new concrete, dowelling metal to