The ToughTek M680 piston pump handles abrasive materials such as epoxy mortars, non-skid coatings (bridges and marine industry – solvent based coatings) or cementitious materials, and tackles difficult polymers with fillers such as glass flake, silica or sand. The all stainless design makes cleanup of epoxy mortars easy and worry-free. Portable sprayer for mortar, cementitious and heavily filled materials