Costelan C BAA 819 1920 is a sealant for porous surfaces and is suitable for use on natural stone, unglazed tiles, mortar, terracotta, concrete and brick. The advantage of Costelan C BAA 819 1920 is its very good resistance to stains and its high oil and water repellency. In cleaning tests comparing this protective agent with a water-based silicone sealant, Costelan C BAA 819 1920 achieved consistently better results for stain removal and oil and water repellency.
