{"product_id":"loctite-5408-head-bolt-water-jacket-sealant-50-ml","title":"Loctite 5408 Head Bolt \u0026 Water Jacket Sealant – 50 mL","description":"\u003cp\u003e\u003cstrong\u003eLOCTITE® 5408 Head Bolt \u0026amp; Water Jacket Sealant\u003c\/strong\u003e is a charcoal-gray, fluorescent anaerobic threadlocker gel engineered to lubricate fasteners during assembly, lock bolts against premature loosening, and seal threaded gaps. Its lubricating action also helps simplify future removal of fasteners installed through holes into water jackets.\u003c\/p\u003e\n\u003cp\u003eThis one-part, medium-viscosity thixotropic gel is ideal for automotive engine service and metal fastener assemblies where sealing, corrosion prevention, and controlled disassembly all matter.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eLubricates fasteners during assembly for more consistent installation\u003c\/li\u003e\n\u003cli\u003eLocks and seals metal threads to resist vibration loosening and leakage\u003c\/li\u003e\n\u003cli\u003eHelps eliminate corrosion that can complicate later disassembly\u003c\/li\u003e\n\u003cli\u003eFluoresces under UV light for application and quality inspection\u003c\/li\u003e\n\u003cli\u003eNo mixing required; cures anaerobically between close-fitting metal surfaces\u003c\/li\u003e\n\u003cli\u003eOperating temperature range: -65°F to 300°F (-55°C to 150°C)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePopular Applications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHead bolts and through-bolts entering water jackets\u003c\/li\u003e\n\u003cli\u003eWater pump bolts\u003c\/li\u003e\n\u003cli\u003eThermostat housings\u003c\/li\u003e\n\u003cli\u003eIntake manifold bolts\u003c\/li\u003e\n\u003cli\u003eTemperature sensors and other threaded metal engine components\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eLOCTITE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct\u003c\/th\u003e\n\u003ctd\u003e5408 Head Bolt \u0026amp; Water Jacket Sealant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHenkel IDH\u003c\/th\u003e\n\u003ctd\u003e1158514\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackage\u003c\/th\u003e\n\u003ctd\u003e50 mL tube\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTechnology\u003c\/th\u003e\n\u003ctd\u003eDimethacrylate ester acrylic; anaerobic cure\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor \/ Form\u003c\/th\u003e\n\u003ctd\u003eCharcoal gray fluorescent gel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eComponents\u003c\/th\u003e\n\u003ctd\u003eOne part\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eViscosity\u003c\/th\u003e\n\u003ctd\u003e350,000–950,000 mPa·s (cP) at 25°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecific Gravity\u003c\/th\u003e\n\u003ctd\u003e1.12 typical (TDS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBreakaway Torque\u003c\/th\u003e\n\u003ctd\u003e18.6 N·m (165 lb-in) typical on M10 steel after 24 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompressive Shear Strength\u003c\/th\u003e\n\u003ctd\u003e9 N\/mm² (1,330 psi) typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTemperature Range\u003c\/th\u003e\n\u003ctd\u003e-65°F to 300°F (-55°C to 150°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFull Cure\u003c\/th\u003e\n\u003ctd\u003e24 hours typical at 22°C; cure speed varies by substrate, gap, temperature, and activator use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eApplication Guidance\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eClean and dry mating threads. Use a compatible LOCTITE activator when cure is slow or inactive surfaces are involved.\u003c\/li\u003e\n\u003cli\u003eShake the tube before use. Avoid touching the nozzle to metal.\u003c\/li\u003e\n\u003cli\u003eFor through holes, apply where the nut will engage. For blind holes, apply into the lower third.\u003c\/li\u003e\n\u003cli\u003eFor sealing, apply a continuous 360° bead while leaving the first thread free, then assemble and tighten normally.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Not recommended for pure oxygen or oxygen-rich systems, chlorine, or other strong oxidizers. Not normally recommended for plastics; test compatibility before use. For professional use, consult the current Technical Data Sheet and Safety Data Sheet before handling.\u003c\/p\u003e\n\u003ch2\u003eSafety \u0026amp; Shipping\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDANGER:\u003c\/strong\u003e Combustible liquid. Causes skin and serious eye irritation. May cause an allergic skin reaction. Suspected of causing cancer; may damage fertility or the unborn child; may cause organ damage through prolonged or repeated exposure. Use appropriate protective gloves, clothing, and eye\/face protection. Keep away from heat, sparks, and open flame.\u003c\/p\u003e\n\u003cp\u003eTransport classification from the U.S. SDS (rev. 005.0, issued January 2, 2024): ground—Combustible liquid, n.o.s., NA1993, Packing Group III; air\/sea—Environmentally hazardous substance, liquid, n.o.s., UN3082, Class 9, Packing Group III. Carrier and packaging exceptions may apply; ship in accordance with applicable regulations.\u003c\/p\u003e","brand":"Loctite","offers":[{"title":"Fresh Material \/ 50 mL Tube #1158514","offer_id":50534256771326,"sku":"LT_5408_50ML","price":55.0,"currency_code":"CAD","in_stock":true},{"title":"Short Shelf Life (1-3 Mths Left) \/ 50 mL Tube #1158514","offer_id":50534256804094,"sku":"SL_LT_5408_50ML","price":41.0,"currency_code":"CAD","in_stock":false},{"title":"Recently Expired \/ 50 mL Tube #1158514","offer_id":50534256836862,"sku":"XP_LT_5408_50ML","price":28.0,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1212\/5762\/files\/loctite-5408-1158514-50ml.webp?v=1790183958","url":"https:\/\/www.perigeedirect.com\/en-ca\/products\/loctite-5408-head-bolt-water-jacket-sealant-50-ml","provider":"Perigee Direct","version":"1.0","type":"link"}