Key Resin 9528 MMA by Key Resin Company

Key Resin 9528MMA is a resilient, semi-flexible sealer designed as a sealer directly over Key 9332 MMA flexible base resin, and as a grout coat sealer over other MMA resins broadcasted with colored quartz or chips due to its excellent clarity at greater thicknesses. It is excellent for exterior applications. Typically installed at 16-32 mils, with a maximum of 80 mils to avoid yellowness.