Neutral waterproof silicone sealant; Silicone sealant for metal, aluminum; Resistant to weather, ultraviolet, ozone etc ... materials including a variety of structural materials: glass, aluminum, metal alloys, stainless steel, wood and plastics. It has ... glass, teflon-coated, polyethylene or polypropylene surfaces. Not recommended for use on concrete, marble, limestone, lead coated surfaces, submerged ...