€¢ Increases the bonding properties of concrete €¢ Improves adhesion between old and new concrete €¢ Reduces cracking >> Durapro AC0616 is synthetic resin for interior or exterior use; designed to increase the bonding properties of concrete. It promotes intercoat adhesion between old and new concrete. Used as an additive to portland cement mixes; ac0616 improves adhesion and reduce cracking in toppings; brick walls; patching or resurfacing concrete walls; floors or ramps. May also be used for stucco and plaster applications."