HIGH STRENGTH 1-PART INDUSTRIAL/CONSTRUCTION GRADE SILICONE SEALANT Sil-Bond (RTV 4500) is a one-component room temperature vulcanizing RTV acetoxy cure silicone sealant and adhesive that has been chemically formulated for high strength adhesion. When fully cured, this unique VOC compliant formula offers UV stability and excellent adhesion to form waterproof and airtight bonds to metal, steel, tile, fiberglass, ceramic, glass, aluminum, painted surfaces, wood, plywood, marble, plus many other common substrates. This product is specifically formulated to offer all-weather performance to meets today's Green Building Standards. MEETS SPECIFICATIONS: ASTM C920 Type S, Grade NS, Class 25; TT-S-00230C, TT-S-01543A, MIL-A-46106A, FDA CFR 177.2600, USDA Approved, NSF 51, UL Recognized Component. CONSTRUCTION & INDUSTRIAL APPLICATIONS Sealing & Glazing HVAC/R Plumbing Roofing Kitchen And Bath Countertops Sanitary Seals ransportation Seals Marine Cabins Appliance Trim Interior/Exterior Above Grade