{"product_id":"norox®-925-mekp-catalyst-for-polyester-vinyl-ester-resins","title":"NOROX® 925 MEKP Catalyst for Polyester \u0026 Vinyl Ester Resins","description":"\u003ch3 class=\"PDq2pG_selectionAnchorContainer\" data-end=\"163\" data-start=\"96\" data-section-id=\"1qby93p\"\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eNOROX MEKP 925 (ANDONOX LCR-S) – Polyester \u0026amp; Vinyl Ester Resin Catalyst\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eNOROX MEKP 925 (ANDONOX LCR-S) is a professional-grade methyl ethyl ketone peroxide (MEKP) catalyst designed for curing compatible unsaturated polyester and vinyl ester resin systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eParticularly suited to vinyl ester resins, NOROX 925 also delivers reliable curing performance with compatible general-purpose orthophthalic and isophthalic polyester resins.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIts liquid formulation allows accurate dosing and consistent incorporation into resin systems for fibreglass manufacturing, marine applications and industrial composite fabrication.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eKey Features \u0026amp; Benefits\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eProfessional-grade MEKP catalyst for polyester and vinyl ester resins.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eParticularly suited to vinyl ester resin systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eReliable and consistent curing performance under controlled processing conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLiquid formulation for accurate measuring and mixing.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSuitable for fibreglass laminating, moulding and composite manufacturing.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCompatible with selected marine, industrial and general-purpose resin systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eTypical Applications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eMarine fibreglass manufacturing and boat building.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eVinyl ester resin laminating.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePolyester resin laminating.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eChemical-resistant tanks and industrial pipework.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFibreglass moulding and composite fabrication.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAutomotive and transport components.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eGelcoat applications where approved by the resin manufacturer.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eTechnical Specifications\u003c\/span\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eProperty\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eTypical Value\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eProduct\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNOROX MEKP 925\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eAlternative Name\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eANDONOX LCR-S\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCatalyst Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMethyl Ethyl Ketone Peroxide\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eAppearance\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eWater-white liquid\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eActive Oxygen\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e9.0% maximum\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSpecific Gravity @ 25°C\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1.10\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eRecommended Storage Temperature\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBelow 27°C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePack Size\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3.6 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cspan\u003eMixing \u0026amp; Curing\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eNOROX MEKP 925 is used to initiate curing in compatible polyester and vinyl ester resin systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe required catalyst concentration depends on the resin formulation, ambient temperature, application method and desired gel time.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAlways follow the resin manufacturer's recommended catalyst dosage and processing instructions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNever mix MEKP directly with accelerators or promoters.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eHandling \u0026amp; Storage\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eNOROX MEKP 925 is an organic peroxide and must be handled with appropriate care.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWear suitable protective clothing, chemical-resistant gloves and eye protection.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eStore in a cool, well-ventilated location away from direct sunlight, heat and incompatible materials.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePrevent contamination of the catalyst and its original container.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eRefer to the current Safety Data Sheet for complete handling, storage and emergency information.\u003c\/span\u003e\u003c\/p\u003e","brand":"Resin Shop Australia","offers":[{"title":"250 grams","offer_id":67844018012269,"sku":null,"price":11.9,"currency_code":"AUD","in_stock":true},{"title":"1KG","offer_id":67844018045037,"sku":null,"price":37.9,"currency_code":"AUD","in_stock":true},{"title":"3.6 KG Unavailable Online D.G","offer_id":67844018077805,"sku":null,"price":118.5,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0588\/8000\/0109\/files\/Norox_MEKP_925.png?v=1792823594","url":"https:\/\/resinshop.com.au\/products\/norox%c2%ae-925-mekp-catalyst-for-polyester-vinyl-ester-resins","provider":"Resin Shop Australia","version":"1.0","type":"link"}