{"title":"Polyester Resin","description":"","products":[{"product_id":"polyester-laminating-resin","title":"Polyester Laminating Resin","description":"\u003cp\u003e\u003cstrong\u003ePolyester Laminating Resin\u003c\/strong\u003e\u003cbr\u003eGet the job done right with this easy-to-use polyester laminating resin—perfect for fiberglass projects, repairs, and custom builds. It spreads smoothly, cures strong, and creates a durable, high-quality finish every time. Available in both quart and gallon sizes, so you can grab just what you need whether you're tackling a quick fix or a bigger project. Reliable, versatile, and ready when you are.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures \u0026amp; Benefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSmooth application\u003c\/strong\u003e – Low-viscosity formula wets out fiberglass cloth and mat with ease\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eStrong, durable cure\u003c\/strong\u003e – Forms a rigid, high-strength laminate with excellent adhesion\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAir-inhibited (tack-free layering)\u003c\/strong\u003e – Designed to remain slightly tacky between layers for better bonding without sanding\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFast cure time\u003c\/strong\u003e – Catalyzes quickly with MEKP (methyl ethyl ketone peroxide) for efficient workflow\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eVersatile use\u003c\/strong\u003e – Ideal for marine, automotive, and general composite builds\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMultiple size options\u003c\/strong\u003e – Available in quart and gallon sizes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eUser-friendly\u003c\/strong\u003e – Simple mix ratio and consistent performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Details:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eResin Type:\u003c\/strong\u003e Orthophthalic Polyester Laminating Resin\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCatalyst:\u003c\/strong\u003e MEKP required (included)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMix Ratio:\u003c\/strong\u003e Typically 1–2% MEKP by weight (adjust based on temperature and desired cure time)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eViscosity:\u003c\/strong\u003e Medium-low for optimal fiber wet-out\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGel Time:\u003c\/strong\u003e 30-40 minutes depending on catalyst ratio (1%) and temperature\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCure Time:\u003c\/strong\u003e Initial cure in 2 hours at 176 F; full cure within 24 hours\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFinish:\u003c\/strong\u003e Non-waxed (tacky surface) for superior interlaminar adhesion\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Works with fiberglass mat, cloth, and woven roving\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eApplication Temperature:\u003c\/strong\u003e Recommended 65–85°F (18–30°C)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eShelf Life:\u003c\/strong\u003e Up to 6 months when properly sealed and stored in a cool, dry place\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"My Store","offers":[{"title":"Gallon","offer_id":43115581931633,"sku":"PLR-GAL","price":65.99,"currency_code":"USD","in_stock":true},{"title":"Quart","offer_id":43115581964401,"sku":"PLR-QT","price":34.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0627\/0189\/5793\/files\/Laminating_Resin_gallon_38a2031c-6d2c-4cc2-aa37-5a210f9ede06.png?v=1775836922"},{"product_id":"polyester-finishing-resin","title":"Polyester Finishing Resin","description":"\u003cp\u003e\u003cstrong\u003ePolyester Finishing Resin\u003c\/strong\u003e\u003cbr\u003eWrap up your project with a smooth, professional finish using UltraMarine's 100% Orthophthalic Polyester Finishing Resin (with wax). Designed as the final layer, it cures hard and tack-free—so you get a clean, sandable surface without any extra steps. Whether you're sealing fiberglass or adding that final protective coat, this resin makes it easy to get great results.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures \u0026amp; Benefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTack-free finish\u003c\/strong\u003e – Wax additive rises to the surface, creating a fully cured, non-sticky layer\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSmooth, sandable surface\u003c\/strong\u003e – Ideal for prepping before painting or polishing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eStrong, protective coating\u003c\/strong\u003e – Adds durability and seals fiberglass effectively\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEasy to apply\u003c\/strong\u003e – Wets out evenly for a consistent finish\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTime-saving\u003c\/strong\u003e – No need for additional sealing coats\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eVersatile use\u003c\/strong\u003e – Great for repairs, sealing, and final coats on composite projects\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Details:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eResin Type:\u003c\/strong\u003e Orthophthalic Polyester Finishing Resin\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCatalyst:\u003c\/strong\u003e MEKP required (included)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMix Ratio:\u003c\/strong\u003e Typically 1–2% MEKP by weight\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eViscosity:\u003c\/strong\u003e Medium-low for good flow and surface leveling\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGel Time:\u003c\/strong\u003e 30-40 minutes depending on catalyst ratio (1%) and temperature\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCure Time:\u003c\/strong\u003e Tack-free in 2 hours at 176 F; full cure within 24 hours\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFinish:\u003c\/strong\u003e Hard, fully cured (non-tacky) surface due to wax additive\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Suitable for use over fiberglass mat, cloth, and laminating resin layers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eApplication Methods:\u003c\/strong\u003e Brush, roller, or pour\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eApplication Temperature:\u003c\/strong\u003e 65–85°F (18–30°C) recommended\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eShelf Life:\u003c\/strong\u003e Up to 6 months when sealed properly and stored in a cool, dry place\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"My Store","offers":[{"title":"Gallon","offer_id":43115581997169,"sku":"PFR-GAL","price":65.99,"currency_code":"USD","in_stock":true},{"title":"Quart","offer_id":43115582029937,"sku":"PFR-QT","price":34.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0627\/0189\/5793\/files\/Finishing_Resin_gallon_ea99d282-d135-4b77-af17-813ae212cb9c.png?v=1775836888"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0627\/0189\/5793\/collections\/add-a-wooden-mixing-stick-in-the-cup.png?v=1775758398","url":"https:\/\/www.ultramarineshop.com\/collections\/polyester-resin.oembed","provider":"UltraMarine Composites","version":"1.0","type":"link"}