OSI® Pro-Series HM-270 Construction Silicone Sealants

HM-270™ Construction Silicone Sealant is a high modulus, 100% RTV silicone. Withstands temperatures -60º F to 400º F± 25% movement capability. For use in many applications involving nonporous building materials such as glass, metal and most plastics. Fast curing. Primarily used for structural or conventional type glazing and curtainwall sealing involving glass, plastic or metal. Waterproof and weatherproof, and cleans up with mineral spirits. Meets FDA-USDA requirements.