Bond IT General Purpose 200 is a black, contractor-grade silicone sealant ideal for various sealing jobs around the house. This quick-curing and mold-resistant sealant is perfect for areas with high humidity like kitchens, bathrooms, shower rooms, and utility rooms. It adheres well to various surfaces like glass, glazed tiles, ceramic tiles, many plastics, and most painted surfaces. However, it's not suitable for fixing mirrors, natural stone, or marble.