{"product_id":"stronghold-mekp-catalyst-5kg","title":"Stronghold MEKP Catalyst (5kg)","description":"\u003ch2 data-section-id=\"1nsyt9v\" data-start=\"1115\" data-end=\"1166\"\u003eMEKP Catalyst for Stronghold GRP Roofing Systems\u003c\/h2\u003e\n\u003cp data-start=\"1168\" data-end=\"1370\"\u003eStronghold Catalyst is a \u003cstrong data-start=\"1193\" data-end=\"1245\"\u003ehigh-quality methyl ethyl ketone peroxide (MEKP)\u003c\/strong\u003e curing agent used to activate both \u003cstrong data-start=\"1281\" data-end=\"1329\"\u003eStronghold Base Resin and Stronghold Topcoat\u003c\/strong\u003e during fibreglass roofing installations.\u003c\/p\u003e\n\u003cp data-start=\"1372\" data-end=\"1563\"\u003ePolyester resins require catalyst to trigger the chemical curing reaction that hardens the laminate and topcoat layers. Without the correct catalyst addition the resin will not cure properly.\u003c\/p\u003e\n\u003cp data-start=\"1565\" data-end=\"1784\"\u003eThis catalyst has been \u003cstrong data-start=\"1588\" data-end=\"1683\"\u003especifically designed, tested and approved for use within the Stronghold GRP roofing system\u003c\/strong\u003e, ensuring reliable curing performance without affecting the fire-retardant properties of the system.\u003c\/p\u003e\n\u003chr data-start=\"1786\" data-end=\"1789\"\u003e\n\u003ch2 data-section-id=\"1bb8364\" data-start=\"1791\" data-end=\"1817\"\u003eCorrect Catalyst Ratios\u003c\/h2\u003e\n\u003cp data-start=\"1819\" data-end=\"1897\"\u003eCatalyst must be added to both the base resin and topcoat during installation.\u003c\/p\u003e\n\u003cp data-start=\"1899\" data-end=\"1930\"\u003eThe recommended dosage rate is:\u003c\/p\u003e\n\u003cp data-start=\"1932\" data-end=\"1962\"\u003e\u003cstrong data-start=\"1932\" data-end=\"1962\"\u003e1% – 4% catalyst by weight\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1964\" data-end=\"2022\"\u003eThe correct ratio depends on working conditions including:\u003c\/p\u003e\n\u003cp data-start=\"2024\" data-end=\"2124\"\u003e• ambient temperature\u003cbr data-start=\"2045\" data-end=\"2048\"\u003e• resin temperature\u003cbr data-start=\"2067\" data-end=\"2070\"\u003e• roof surface temperature\u003cbr data-start=\"2096\" data-end=\"2099\"\u003e• working time required\u003c\/p\u003e\n\u003cp data-start=\"2126\" data-end=\"2297\"\u003eIn warmer summer conditions installers typically reduce catalyst levels, while cooler temperatures may require slightly higher percentages to maintain proper curing times.\u003c\/p\u003e\n\u003chr data-start=\"2299\" data-end=\"2302\"\u003e\n\u003ch2 data-section-id=\"100r76c\" data-start=\"2304\" data-end=\"2339\"\u003eDesigned for Reliable GRP Curing\u003c\/h2\u003e\n\u003cp data-start=\"2341\" data-end=\"2393\"\u003eUsing the correct catalyst is critical to achieving:\u003c\/p\u003e\n\u003cp data-start=\"2395\" data-end=\"2535\"\u003e• proper laminate curing\u003cbr data-start=\"2419\" data-end=\"2422\"\u003e• correct topcoat hardening\u003cbr data-start=\"2449\" data-end=\"2452\"\u003e• consistent working times\u003cbr data-start=\"2478\" data-end=\"2481\"\u003e• reliable long-term performance of the roofing system\u003c\/p\u003e\n\u003cp data-start=\"2537\" data-end=\"2678\"\u003eStronghold catalyst has been developed specifically to work with the Stronghold resins, ensuring compatibility and consistent curing results.\u003c\/p\u003e\n\u003chr data-start=\"2680\" data-end=\"2683\"\u003e\n\u003ch2 data-section-id=\"ryi6es\" data-start=\"2685\" data-end=\"2713\"\u003eFire Rating Compatibility\u003c\/h2\u003e\n\u003cp data-start=\"2715\" data-end=\"2815\"\u003eStronghold roofing systems are designed to meet fire performance standards when installed correctly.\u003c\/p\u003e\n\u003cp data-start=\"2817\" data-end=\"2992\"\u003eThis catalyst has been tested for use with the system to ensure \u003cstrong data-start=\"2881\" data-end=\"2944\"\u003eno loss of fire-retardant properties or performance ratings\u003c\/strong\u003e when used according to installation guidelines.\u003c\/p\u003e\n\u003chr data-start=\"2994\" data-end=\"2997\"\u003e\n\u003ch2 data-section-id=\"tfvz7i\" data-start=\"2999\" data-end=\"3017\"\u003eSafety Features\u003c\/h2\u003e\n\u003cp data-start=\"3019\" data-end=\"3181\"\u003eAll Stronghold catalyst containers are supplied with \u003cstrong data-start=\"3072\" data-end=\"3087\"\u003evented caps\u003c\/strong\u003e to comply with current health and safety legislation when storing and handling MEKP products.\u003c\/p\u003e\n\u003cp data-start=\"3183\" data-end=\"3317\"\u003eThe \u003cstrong data-start=\"3187\" data-end=\"3245\"\u003e1kg bottles also feature a separate dispensing chamber\u003c\/strong\u003e, allowing installers to measure catalyst more accurately during mixing.\u003c\/p\u003e\n\u003cp data-start=\"3319\" data-end=\"3405\"\u003eCaps on the 1kg containers are also \u003cstrong data-start=\"3355\" data-end=\"3405\"\u003echild-resistant for additional safety on site.\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"3407\" data-end=\"3410\"\u003e\n\u003ch2 data-section-id=\"1preg11\" data-start=\"3412\" data-end=\"3455\"\u003eTypical Use in GRP Roofing Installations\u003c\/h2\u003e\n\u003cp data-start=\"3457\" data-end=\"3484\"\u003eThis catalyst is used when:\u003c\/p\u003e\n\u003cp data-start=\"3486\" data-end=\"3672\"\u003e• mixing Stronghold Base Resin for laminating fibreglass matting\u003cbr data-start=\"3550\" data-end=\"3553\"\u003e• preparing Stronghold Topcoat for the final protective coating\u003cbr data-start=\"3616\" data-end=\"3619\"\u003e• adjusting curing times based on site temperatures\u003c\/p\u003e\n\u003cp data-start=\"3674\" data-end=\"3775\"\u003eCorrect catalyst dosing ensures the laminate cures fully and the roofing system performs as intended.\u003c\/p\u003e","brand":"Stronghold","offers":[{"title":"Default Title","offer_id":37519418228899,"sku":"STCAT5","price":40.32,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0525\/6160\/8867\/products\/IMGL0046-STCAT5.jpg?v=1647427506","url":"https:\/\/fibreglassroofkits.com\/products\/stronghold-mekp-catalyst-5kg","provider":"Fibreglass Roof Kits","version":"1.0","type":"link"}