{"product_id":"hylomar-universal-blue-jointing-compound-40g-non-setting-reusable-engine-gearbox-sealant","title":"Hylomar Universal Blue jointing compound 40g — non-setting, reusable engine \u0026 gearbox sealant","description":"\u003cp\u003e\u003cstrong\u003eHylomar Universal Blue 40g is a non-setting, reusable jointing compound that seals metal and plastic joints against oils, fuels, water and high temperatures without hardening.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhen gaskets wear or threaded fittings leak, a dependable joining compound can restore a tight, long-lasting seal without the need for permanent adhesives. Hylomar’s Universal Blue has been used across automotive and industrial applications for decades; its non-setting formula provides flexibility for repeated assembly and disassembly while resisting common vehicle fluids and elevated temperatures.\u003c\/p\u003e\n\n\u003ch3\u003eHow does Hylomar Universal Blue stop leaks on engine and gearbox components?\u003c\/h3\u003e\n\u003cp\u003eThe paste fills micro-gaps between mating surfaces and forms a fluid-resistant barrier that remains flexible rather than curing into a rigid plug. Its formulation tolerates oils, fuels, lubricants and water so it protects seals under typical operating conditions without chemical breakdown.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eApplies smoothly to flange faces, preformed gaskets and threaded connections.\u003c\/li\u003e\n  \u003cli\u003eMaintains pliability to allow future maintenance and resealing.\u003c\/li\u003e\n  \u003cli\u003eResists common automotive fluids to reduce repeat leaks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan I use Hylomar Universal Blue on plastic parts or sensitive assemblies?\u003c\/h3\u003e\n\u003cp\u003eYes — because the compound does not harden it is suitable for metal-to-metal, plastic-to-plastic and mixed-material joints where rigid sealants could cause stress or cracking. It provides a reliable seal without introducing solvents or setting agents that might damage delicate components.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSafe for use on many plastics and coated surfaces where flexibility matters.\u003c\/li\u003e\n  \u003cli\u003eWorks well on threaded fittings and flange joints without seizing parts.\u003c\/li\u003e\n  \u003cli\u003eIdeal for assemblies that require periodic inspection and resealing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat operating temperatures and fluids can this 40g tube withstand?\u003c\/h3\u003e\n\u003cp\u003eHylomar Universal Blue is formulated to perform across a broad temperature range encountered in engines and transmissions, and it resists breakdown from fuels, oils and common lubricants. While not a permanent chemical cure, its physical resistance makes it suitable for many automotive and industrial service conditions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eEffective across engine and gearbox temperature ranges encountered in service.\u003c\/li\u003e\n  \u003cli\u003eCompatible with petrol, diesel, engine oils, gear oils and many lubricants.\u003c\/li\u003e\n  \u003cli\u003eRetains sealing properties without hardening or becoming brittle over time.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow much product do I get and what are the practical benefits of the 40g tube?\u003c\/h3\u003e\n\u003cp\u003eThe pack contains a 40g tube, convenient for occasional repairs, maintenance tasks and professional use where small quantities are needed. The compact tube fits tool kits and service trays, offering precise application and minimal waste compared with larger tubs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e40g tube for controlled, mess-minimised application.\u003c\/li\u003e\n  \u003cli\u003eSuitable for spot repairs, gasket dressing and threaded joint sealing.\u003c\/li\u003e\n  \u003cli\u003eEasy storage in toolboxes or parts drawers for on-the-spot maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Hylomar Universal Blue 40g is aimed at mechanics, restoration specialists, DIY vehicle owners and industrial technicians who need a dependable, non-hardening jointing compound. It’s especially useful when components will be removed again, when mixed materials are involved, or where resistance to oils and fuels is essential. Backed by Hylomar’s long history in automotive sealing technology, this compact tube offers a flexible, service-friendly sealing solution for routine maintenance and emergency repairs.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is Hylomar Universal Blue permanent once applied?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No, it remains non-setting and flexible so joints can be disassembled and resealed without damage.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use the 40g tube on fuel system fittings?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, the compound resists fuels and oils, making it suitable for many fuel system and engine joints.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Hylomar","offers":[{"title":"Default Title","offer_id":48086885761182,"sku":"B0064M6A6G","price":31.38,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/hylomar-universal-blue-front-tube.jpg?v=1785909099","url":"https:\/\/northtrailauto.ca\/products\/hylomar-universal-blue-jointing-compound-40g-non-setting-reusable-engine-gearbox-sealant","provider":"North Trail Auto","version":"1.0","type":"link"}