Gurit Ampro Bio is a simple all purpose epoxy which can be used for filling, gluing, laminating and coating. With an easy 3:1 mix ratio by volume and a low temperature curing hardener Ampro provides a quick and convenient way of using one epoxy system. Ampro has been built on the well established SP106 which has been the primary epoxy Hardener in the marine industry for over 20 years.