{"product_id":"sudbury-321x-marine-sealant-3-oz-tube-clear","title":"Sudbury 321x Marine Sealant – 3 oz. Tube, Clear","description":"\u003ch2\u003eSudbury 321x Marine Sealant – 3 oz. Tube, Clear\u003c\/h2\u003e\u003cp\u003eSudbury 321x is a single-component, fast-skinning marine sealant that cures to a clear, flexible finish — ideal for applications where appearance matters and a visible bead would detract from the finished look. It skins in approximately 10 minutes and reaches full cure in 1–7 days, forming a watertight, durable bond above and below the waterline.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFast skin time: approximately 10 minutes\u003c\/li\u003e\n\u003cli\u003eFull cure: 1–7 days depending on temperature and humidity\u003c\/li\u003e\n\u003cli\u003eCures in temperatures from −29°C to +49°C (−20°F to +120°F)\u003c\/li\u003e\n\u003cli\u003eClear finish — virtually invisible once cured\u003c\/li\u003e\n\u003cli\u003eSuperior flexibility, elongation, and compression resistance\u003c\/li\u003e\n\u003cli\u003eExcellent adhesion to fiberglass, wood, metal, glass, Plexiglas, Lexan, and most plastics\u003c\/li\u003e\n\u003cli\u003eCan be wet-sanded or painted after full cure\u003c\/li\u003e\n\u003cli\u003eCleanup with mineral spirits\u003c\/li\u003e\n\u003cli\u003eNot recommended for wood deck seams\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatible Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePortlights, windows, and hatches where a clear seal is preferred\u003c\/li\u003e\n\u003cli\u003eTransparent or light-colored hull and deck hardware bedding\u003c\/li\u003e\n\u003cli\u003eThrough-hull fittings on white or gelcoat surfaces\u003c\/li\u003e\n\u003cli\u003eCabin sole and interior hardware where aesthetics matter\u003c\/li\u003e\n\u003cli\u003eGeneral marine hardware installation requiring a flexible, permanent, invisible bond\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eParts Desk Insights\u003c\/h3\u003e\u003cp\u003eThe 321x is the clear-finish choice in the Sudbury 3 oz. tube lineup — best suited for portlights, windows, and any fitting where a black or white bead would be visible and unwanted. The tube format is ideal for smaller jobs and tight spaces where a cartridge gun isn't practical. For larger clear-sealant projects, pair with the \u003ca href=\"\/products\/sudbury-301-sealant-10-oz-cartridge-clear\"\u003eSudbury 301 Sealant – 10 oz. Cartridge, Clear\u003c\/a\u003e. If color match is needed, see the \u003ca href=\"\/products\/sudbury-322-marine-sealant-3-oz-tube-black\"\u003eSudbury 322 – 3 oz. Tube, Black\u003c\/a\u003e or \u003ca href=\"\/products\/sudbury-320-sealant-3-oz-tube-white\"\u003eSudbury 320 – 3 oz. Tube, White\u003c\/a\u003e.\u003c\/p\u003e","brand":"LNS","offers":[{"title":"Default Title","offer_id":51250760548388,"sku":"829-321","price":27.11,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/829-320_b6b18095-1b67-422f-a487-a8e1133e3a2e.jpg?v=1786509710","url":"https:\/\/marisolmarine.com\/products\/sudbury-321x-marine-sealant-3-oz-tube-clear","provider":"Marisol Marine Company","version":"1.0","type":"link"}