{"product_id":"dow-corning-2455846-rtv-silicone-joint-sealant-3-oz","title":"Dow Corning 2455846 Rtv Silicone Joint Sealant 3 Oz","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe DOW CORNING 2455846 is a room-temperature-vulcanizing (RTV) silicone joint sealant supplied in a 3 oz tube. Part of the 748 Series, it is formulated for sealing and gasketing applications where broad temperature resistance is required. The sealant reaches a tack-free state in 30 minutes and achieves full cure in 36 hours. It performs across a service range of -67 degrees F to 350 degrees F (-55 degrees C to 177 degrees C), making it suitable for demanding mechanical and HVAC environments. Licensed plumbers, HVAC technicians, and maintenance mechanics are the primary installers.\u003c\/p\u003e\n\u003cp\u003eThis sealant is used in residential and commercial applications where a flexible, heat-resistant joint compound is needed. It is well suited for sealing pipe penetrations, gasketing metal assemblies, and forming in-place gaskets on HVAC equipment, refrigeration units, and food-processing machinery. The food-safe designation makes it appropriate for use in environments regulated under FDA guidelines, including commercial kitchen equipment and food-contact surfaces where incidental contact is a concern.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eRTV silicone chemistry provides a flexible, durable seal after cure\u003c\/li\u003e\n  \u003cli\u003eTack-free in 30 minutes — allows faster return to service compared to slower-cure compounds\u003c\/li\u003e\n  \u003cli\u003eFull cure reached in 36 hours\u003c\/li\u003e\n  \u003cli\u003eWide operating range: -67 degrees F to 350 degrees F\u003c\/li\u003e\n  \u003cli\u003eFood safe — meets 21 CFR 177.2600 for incidental food contact\u003c\/li\u003e\n  \u003cli\u003eMeets MIL-A-46146 military specification for RTV silicone adhesive sealants\u003c\/li\u003e\n  \u003cli\u003eOff-white color for low-visibility joints on light-colored substrates\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style replacement and general-purpose RTV silicone sealant for use on metal, glass, ceramic, and most plastics in HVAC, refrigeration, and food-service equipment applications.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eApply to clean, dry surfaces free of oil, grease, and loose debris for best adhesion. Allow the sealant to reach full cure (36 hours) before subjecting the joint to operating temperatures or mechanical stress. Follow applicable codes and facility guidelines when using in food-contact environments. Store unused product with the cap sealed tightly to prevent premature cure.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChemical Type\u003c\/strong\u003e: RTV Silicone\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: 748\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeries Part Number\u003c\/strong\u003e: 748-3 oz\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor\u003c\/strong\u003e: Off-White\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eContainer Type\u003c\/strong\u003e: Tube\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eContainer Size\u003c\/strong\u003e: 3 oz\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTack-Free Dry Time\u003c\/strong\u003e: 30 minutes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFull Cure Time\u003c\/strong\u003e: 36 hours\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMinimum Operating Temperature\u003c\/strong\u003e: -67 degrees F (-55 degrees C)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Operating Temperature\u003c\/strong\u003e: 350 degrees F (177 degrees C)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandards\u003c\/strong\u003e: 21 CFR 177.2600; MIL-A-46146\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnvironmental\u003c\/strong\u003e: Food Safe\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Weight\u003c\/strong\u003e: 0.33 pounds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: DOW CORNING\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 2455846\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DOW CORNING","offers":[{"title":"Default Title","offer_id":51542308094258,"sku":"2455846","price":40.9,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/233ba56930719a64d186ac877b5496c1.jpg?v=1785897636","url":"https:\/\/voomisupply.com\/products\/dow-corning-2455846-rtv-silicone-joint-sealant-3-oz","provider":"Voomi Supply","version":"1.0","type":"link"}