River Craft Ceramics
Mayco AC-502 Matte Brush-On Sealers is designed to provide a protective coating over dry acrylic stains, drying to a satin matte finish. It's water-based and water-resistant when dry.
Manufacturer's Directions"Flow on one smooth coat with soft brush. Do not puddle product in crevices. Use over non-fired finishes. Clean brush with water. Do not fire."