Our plastic-steel cement sealant contains epoxy resin, curing agent, nano silicon. It can fill gaps, reduce dirt and oil stains, make gaps free of mold, easy to clean, squeeze to fill gaps. Its use is simple: 1. Clean the required area and keep it dry. 2. Open the product, squeeze the product into the desired area, and scrape evenly with a red spatula. 3. Let dry. Plastic-steel cement sealants are waterproof, mildew and dirt resistant, helping to make your home cleaner and drier, giving you a better experience.