Technical Data Sheet Safety Data Sheet Item Code: ME55-50-5 Mon-Eco 55-50 Mastic 5 Gallon Water Based. A Water Based Mastic Used to Seal Inside of Duct Work and is Also Applied to Fiberglass Duct Liner Where the Cut Edges Butt Up to One Another. Weatherproofing and protecting thermal insulations on equipment, vessels, piping and fittings Dries to a tough flexible, fire and chemical resistive finish that is easily cleaned Can be used with fiberglass, mineral wool, polyurethane, polystyrene, cellular glass, calcium silicate, and foam glass insulation
