MasterFlow 932 AN - A pure epoxy bonded anchoring system How does MasterFlow 932 AN work? MasterFlow 932 AN is a two-component pure epoxy bonded anchoring system for use in cracked and uncracked concrete under normal as well as seismic conditions (seismic category C1). Designed for most demanding structural applications and rebar connections, MasterFlow 932 AN offers high load-bearing capacity.