{"product_id":"epoxypro-eph-620h-standard-marine-hardener-1","title":"EpoxyPro EP1520B 3:1 Standard Marine Hardener","description":"\u003ch2 data-end=\"60\" data-start=\"22\" data-section-id=\"1q1apjv\"\u003eStandard Marine Wet Lay-Up Hardener\u003c\/h2\u003e\n\u003cp data-end=\"738\" data-start=\"62\"\u003eEpoxyPro EP1520B is a standard-curing marine epoxy hardener developed for boatbuilding, fibreglass laminating and composite marine construction. Designed to provide an extended working time compared with fast hardeners, it offers excellent fiber wet-out, high laminate strength and reliable processing for larger marine laminating projects. When combined with EpoxyPro EP1520B, the system delivers outstanding adhesion, durability and mechanical performance for hulls, decks, transoms, stringers and structural marine repairs. Suitable for hand lay-up, resin infusion, vacuum bagging and other marine composite manufacturing processes.\u003c\/p\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ch3 class=\"PDq2pG_selectionAnchorContainer\" data-end=\"336\" data-start=\"288\" data-section-id=\"ay6w59\"\u003eWhy Choose EpoxyPro EP1520B Standard Hardener?\u003cspan class=\"PDq2pG_selectionAnchor\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003ch3 data-end=\"363\" data-start=\"338\" data-section-id=\"1b2cv74\"\u003eBalanced Working Time\u003c\/h3\u003e\n\u003cp data-end=\"717\" data-start=\"365\"\u003eEP1520B is formulated to provide an ideal balance between working time and curing speed, making it suitable for everyday marine laminating, composite fabrication, and structural bonding. It provides sufficient time for accurate fibre wet-out and laminate consolidation while maintaining efficient production times.\u003c\/p\u003e\n\u003ch3 data-end=\"746\" data-start=\"719\" data-section-id=\"1l6v28t\"\u003eExcellent Fibre Wet-Out\u003c\/h3\u003e\n\u003cp data-end=\"1046\" data-start=\"748\"\u003eThe low-viscosity system rapidly penetrates fibreglass, carbon fibre, aramid (Kevlar®), and other reinforcement fabrics, delivering excellent resin flow, complete fibre saturation, and lightweight, high-strength composite laminates with minimal air entrapment.\u003c\/p\u003e\n\u003ch3 data-end=\"1072\" data-start=\"1048\" data-section-id=\"1rxaq2y\"\u003eVersatile Processing\u003c\/h3\u003e\n\u003cp data-end=\"1360\" data-start=\"1074\"\u003eSuitable for wet lay-up, vacuum bagging, resin infusion, resin transfer moulding (RTM), contact pressure moulding, and filament winding, EP1520B provides reliable performance across a wide range of professional composite manufacturing applications.\u003c\/p\u003e\n\u003ch3 data-end=\"1393\" data-start=\"1362\" data-section-id=\"5tw13h\"\u003eHigh Structural Performance\u003c\/h3\u003e\n\u003cp data-end=\"1644\" data-start=\"1395\"\u003eWhen combined with EpoxyPro EP1510A Epoxy Resin, the system develops excellent mechanical strength for structural marine components and composite parts operating under both static and dynamic loading conditions.\u003c\/p\u003e\n\u003ch3 data-end=\"1674\" data-start=\"1646\" data-section-id=\"6iq1i8\"\u003eAmbient Cure \u0026amp; Post Cure\u003c\/h3\u003e\n\u003cp data-end=\"1908\" data-start=\"1676\"\u003eThe system develops excellent handling strength after curing at ambient temperature. For optimum mechanical properties and improved thermal resistance, a post cure above 50°C is recommended.\u003c\/p\u003e\n\u003ch3 data-end=\"1931\" data-start=\"1910\" data-section-id=\"1ozcp0b\"\u003eMarine Durability\u003c\/h3\u003e\n\u003cp data-end=\"2181\" data-start=\"1933\"\u003eDesigned for demanding marine and industrial environments, the fully cured system provides excellent moisture resistance, long-term durability, and a recommended service temperature range of -60°C to +80°C.\u003c\/p\u003e\n\u003chr data-end=\"2186\" data-start=\"2183\"\u003e\n\u003ch3 data-end=\"2210\" data-start=\"2188\" data-section-id=\"bazihh\"\u003eTypical Applications\u003c\/h3\u003e\n\u003cul data-end=\"2491\" data-start=\"2212\"\u003e\n\u003cli data-end=\"2227\" data-start=\"2212\" data-section-id=\"4dvl2e\"\u003eBoat building\u003c\/li\u003e\n\u003cli data-end=\"2256\" data-start=\"2228\" data-section-id=\"q3army\"\u003eHull and deck construction\u003c\/li\u003e\n\u003cli data-end=\"2280\" data-start=\"2257\" data-section-id=\"1ozkg3u\"\u003eFibreglass laminating\u003c\/li\u003e\n\u003cli data-end=\"2306\" data-start=\"2281\" data-section-id=\"16qs8jh\"\u003eCarbon fibre components\u003c\/li\u003e\n\u003cli data-end=\"2323\" data-start=\"2307\" data-section-id=\"12ibumq\"\u003eVacuum bagging\u003c\/li\u003e\n\u003cli data-end=\"2340\" data-start=\"2324\" data-section-id=\"8ynu84\"\u003eResin infusion\u003c\/li\u003e\n\u003cli data-end=\"2360\" data-start=\"2341\" data-section-id=\"m2lf9f\"\u003eRTM manufacturing\u003c\/li\u003e\n\u003cli data-end=\"2379\" data-start=\"2361\" data-section-id=\"fd2az0\"\u003eFilament winding\u003c\/li\u003e\n\u003cli data-end=\"2410\" data-start=\"2380\" data-section-id=\"1xafy02\"\u003eComposite tooling and moulds\u003c\/li\u003e\n\u003cli data-end=\"2432\" data-start=\"2411\" data-section-id=\"16qjz4i\"\u003eWind turbine blades\u003c\/li\u003e\n\u003cli data-end=\"2456\" data-start=\"2433\" data-section-id=\"1pcea2d\"\u003eMotorsport components\u003c\/li\u003e\n\u003cli data-end=\"2491\" data-start=\"2457\" data-section-id=\"edmm6y\"\u003eIndustrial composite fabrication\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"2496\" data-start=\"2493\"\u003e\n\u003ch3 data-end=\"2522\" data-start=\"2498\" data-section-id=\"71ol0h\"\u003eProcessing Information\u003c\/h3\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\" data-end=\"3010\" data-start=\"2524\"\u003e\n\u003cthead data-end=\"2552\" data-start=\"2524\"\u003e\n\u003ctr data-end=\"2552\" data-start=\"2524\"\u003e\n\u003cth class=\"last:pe-10\" data-col-size=\"md\" data-end=\"2535\" data-start=\"2524\"\u003eProperty\u003c\/th\u003e\n\u003cth class=\"last:pe-10\" data-col-size=\"sm\" data-end=\"2552\" data-start=\"2535\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-end=\"3010\" data-start=\"2584\"\u003e\n\u003ctr data-end=\"2618\" data-start=\"2584\"\u003e\n\u003ctd data-col-size=\"md\" data-end=\"2605\" data-start=\"2584\"\u003eMix Ratio (Volume)\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"2618\" data-start=\"2605\"\u003e3 : 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"2656\" data-start=\"2619\"\u003e\n\u003ctd data-col-size=\"md\" data-end=\"2640\" data-start=\"2619\"\u003eMix Ratio (Weight)\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"2656\" data-start=\"2640\"\u003e100 : 32\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"2694\" data-start=\"2657\"\u003e\n\u003ctd data-col-size=\"md\" data-end=\"2670\" data-start=\"2657\"\u003eAppearance\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"2694\" data-start=\"2670\"\u003eLow Amber Liquid\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"2729\" data-start=\"2695\"\u003e\n\u003ctd data-col-size=\"md\" data-end=\"2704\" data-start=\"2695\"\u003eColour\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"2729\" data-start=\"2704\"\u003eMaximum 4 Gardner\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"2767\" data-start=\"2730\"\u003e\n\u003ctd data-col-size=\"md\" data-end=\"2749\" data-start=\"2730\"\u003eViscosity @ 25°C\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"2767\" data-start=\"2749\"\u003e150–300 cP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"2808\" data-start=\"2768\"\u003e\n\u003ctd data-col-size=\"md\" data-end=\"2785\" data-start=\"2768\"\u003eDensity @ 25°C\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"2808\" data-start=\"2785\"\u003e0.98–1.04 g\/cm³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"2860\" data-start=\"2809\"\u003e\n\u003ctd data-col-size=\"md\" data-end=\"2839\" data-start=\"2809\"\u003ePot Life (100 g Mix @ 25°C)\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"2860\" data-start=\"2839\"\u003e14–20 Minutes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"2922\" data-start=\"2861\"\u003e\n\u003ctd data-col-size=\"md\" data-end=\"2907\" data-start=\"2861\"\u003ePotential Glass Transition Temperature (Tg)\u003c\/td\u003e\n\u003ctd data-end=\"2922\" data-start=\"2907\" data-col-size=\"sm\"\u003e80–90°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"2979\" data-start=\"2923\"\u003e\n\u003ctd data-col-size=\"md\" data-end=\"2957\" data-start=\"2923\"\u003eRecommended Service Temperature\u003c\/td\u003e\n\u003ctd data-end=\"2979\" data-start=\"2957\" data-col-size=\"sm\"\u003e-60°C to +80°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"3010\" data-start=\"2980\"\u003e\n\u003ctd data-col-size=\"md\" data-end=\"2993\" data-start=\"2980\"\u003eShelf Life\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3010\" data-start=\"2993\"\u003e12 Months\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr data-end=\"3015\" data-start=\"3012\"\u003e\n\u003ch3 data-end=\"3061\" data-start=\"3017\" data-section-id=\"1gnstvu\"\u003eTypical Mechanical Properties (Post Cured)\u003c\/h3\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\" data-end=\"3472\" data-start=\"3063\"\u003e\n\u003cthead data-end=\"3091\" data-start=\"3063\"\u003e\n\u003ctr data-end=\"3091\" data-start=\"3063\"\u003e\n\u003cth class=\"last:pe-10\" data-col-size=\"sm\" data-end=\"3074\" data-start=\"3063\"\u003eProperty\u003c\/th\u003e\n\u003cth class=\"last:pe-10\" data-col-size=\"sm\" data-end=\"3091\" data-start=\"3074\"\u003eTypical Value\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-end=\"3472\" data-start=\"3123\"\u003e\n\u003ctr data-end=\"3159\" data-start=\"3123\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3142\" data-start=\"3123\"\u003eTensile Strength\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3159\" data-start=\"3142\"\u003e60–70 MPa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"3194\" data-start=\"3160\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3182\" data-start=\"3160\"\u003eElongation at Break\u003c\/td\u003e\n\u003ctd data-end=\"3194\" data-start=\"3182\" data-col-size=\"sm\"\u003e4–7%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"3232\" data-start=\"3195\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3213\" data-start=\"3195\"\u003eTensile Modulus\u003c\/td\u003e\n\u003ctd data-end=\"3232\" data-start=\"3213\" data-col-size=\"sm\"\u003e2.8–3.4 GPa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"3272\" data-start=\"3233\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3253\" data-start=\"3233\"\u003eFlexural Strength\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3272\" data-start=\"3253\"\u003e115–130 MPa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"3311\" data-start=\"3273\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3292\" data-start=\"3273\"\u003eFlexural Modulus\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3311\" data-start=\"3292\"\u003e3.0–3.6 GPa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"3354\" data-start=\"3312\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3335\" data-start=\"3312\"\u003eCompressive Strength\u003c\/td\u003e\n\u003ctd data-end=\"3354\" data-start=\"3335\" data-col-size=\"sm\"\u003e120–140 MPa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"3387\" data-start=\"3355\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3366\" data-start=\"3355\"\u003eHardness\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3387\" data-start=\"3366\"\u003e80–90 Shore D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"3439\" data-start=\"3388\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3424\" data-start=\"3388\"\u003eGlass Transition Temperature (Tg)\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3439\" data-start=\"3424\"\u003e80–90°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"3472\" data-start=\"3440\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3459\" data-start=\"3440\"\u003eWater Absorption\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3472\" data-start=\"3459\"\u003e≤0.5%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Resin Shop Australia","offers":[{"title":"330ml","offer_id":45343195791469,"sku":"EPH-630H-330","price":0.0,"currency_code":"AUD","in_stock":false},{"title":"660ml","offer_id":45343195824237,"sku":"EPH-630B-660","price":0.0,"currency_code":"AUD","in_stock":false},{"title":"1.65L","offer_id":45343195857005,"sku":"EPH-630-1650","price":0.0,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0588\/8000\/0109\/files\/ChatGPT_Image_Jun_10_2026_12_30_55_PM.png?v=1781524408","url":"https:\/\/resinshop.com.au\/products\/epoxypro-eph-620h-standard-marine-hardener-1","provider":"Resin Shop Australia","version":"1.0","type":"link"}