Features  |  Application Procedure Product / Product Description Hardner Mixing Ratio Packing Thinner Recommended Thinner Intake Area of Application Drying Time Spray Brush Roller Touch Hard Cento Int. PU Sealer Clear 10:1 Two Thinner for finish 15-20% - - Int. Wood 30min 8hrs Cento Int. PU Glossy Clear 10:1 Two Thinner for finish 15-20% - - Int. Wood 20 - 30min 8hrs Cento Int. PU Matt Clear 10:1 Two Thinner for finish 15-20% - - Int. Wood 20 - 30min 8hrs Cento 100% PU Interior Application Clean the existing wood surface thoroughly with emery paper viz., 36/80/120, to make the surface smooth and remove loose particles. Apply tow coats of Cento Interior Sealer Clear by spry mixing with 15-20% of thinner for finish, with 8 hours interval of drying time between the two coats. Scuff the first coat of sealer with 220 No. emery paper & second coat with 320 No. emery paper. Apply two coats of Cento 100% PU Interior Glossy/Matt Clear by spray mixing with 15-20% of thinner for finish allowing 8 hours of interval between two coats. Scuff the first coat of top coat with 400 No. emery paper & then apply second coat. [Disclaimer: The manufacturer reserves the right to change the specification without prior notice]