Mhoromer AM 199 Methacrylic acid 79-41-4 Degussa-Röhm Acrylics/ Acrylates ADHESIVE Methacrylic acid (GMAA) Polymerization and copolymerization in bulk, suspension, emulsion and solution. Thermally crosslinkable paint resins and emulsions, adhesion promoters, manufacture of methacrylates, binders for textiles and paper, adhesives, floor care products Methacrylic acid (GMAA). Used in adhesives.