{"product_id":"loctite-518-flange-sealant-for-rigid-metal-flanges","title":"Loctite 518 Flange Sealant – For Rigid Metal Flanges","description":"\u003cp\u003eLoctite 518 is a red, medium-strength anaerobic flange sealant for close-fitting, rigid metal assemblies. It forms a gasket in place between mating surfaces and is suited to cast iron, steel and aluminum flanges, including low-copper aluminum.\u003c\/p\u003e\u003ch3\u003eKey benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOne-part gel: no mixing or pre-cut gasket required.\u003c\/li\u003e\n\u003cli\u003eThixotropic consistency helps keep the bead in position.\u003c\/li\u003e\n\u003cli\u003eTolerates minor surface oil contamination; cleaning is still recommended.\u003c\/li\u003e\n\u003cli\u003eFluoresces under UV light to help check application.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhen to use\u003c\/h2\u003e\u003cp\u003eFor industrial maintenance and assembly of rigid flange joints, gearbox covers and engine casings. Designed for close-fitting metal faces with gaps up to 0.25 mm (0.01 in).\u003c\/p\u003e\u003ch2\u003eTechnical specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eChemistry: dimethacrylate ester acrylic; anaerobic cure.\u003c\/li\u003e\n\u003cli\u003eColor: red; specific gravity: 1.1 at 23°C.\u003c\/li\u003e\n\u003cli\u003eTypical viscosity: 4,000,000 mPa·s at 25°C, Brookfield HBT, spindle TC, 0.5 rpm, Helipath.\u003c\/li\u003e\n\u003cli\u003eTypical lap shear strength: 8.4 N\/mm² on grit-blasted mild steel after 24 hours at 23°C (ISO 4587).\u003c\/li\u003e\n\u003cli\u003eCatalog fixture time on steel: approximately 25 minutes.\u003c\/li\u003e\n\u003cli\u003eOperating temperature: −55°C to +150°C.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eApplication and cure\u003c\/h2\u003e\u003cp\u003eClean and degrease the mating faces. Apply a continuous bead, including around bolt holes, then assemble and tighten promptly. Cure depends on metal, joint gap and temperature. An appropriate Henkel activator can accelerate slow cure on passive surfaces or at low temperatures; follow the technical data sheet. Fixture time is not full cure or permission to return an assembly to service.\u003c\/p\u003e\u003ch2\u003eSizes and shelf-life options\u003c\/h2\u003e\u003cp\u003eChoose one 6 mL tube (IDH 2096062), 50 mL tube (IDH 2096064) or 300 mL cartridge (IDH 2096061). Fresh Material is within the labeled shelf life; Short Shelf Life has 1–3 months left; Recently Expired is beyond the labeled expiry date. Confirm the actual lot date before use. Published performance data does not establish expired-stock performance; evaluate suitability for the application.\u003c\/p\u003e\u003ch2\u003eStorage and limitations\u003c\/h2\u003e\u003cp\u003eStore unopened in a dry location, ideally at 8–21°C. Not recommended for pure oxygen, oxygen-rich systems or strong oxidizers. Avoid use on plastics without compatibility testing. For industrial use only; Henkel states this product is not intended for consumer sale or use. Follow the SDS for ventilation, protective gloves and eye protection. WARNING: Cancer and reproductive harm — \u003ca href=\"https:\/\/www.P65Warnings.ca.gov\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"https:\/\/datasheets.tdx.henkel.com\/LOCTITE-518-en_GL.pdf\"\u003eHenkel technical data sheet\u003c\/a\u003e\u003c\/p\u003e","brand":"Loctite","offers":[{"title":"Fresh Material \/ 6 mL Tube","offer_id":48993738653950,"sku":"LT_518_6ML","price":8.99,"currency_code":"USD","in_stock":false},{"title":"Fresh Material \/ 50 mL Tube","offer_id":48993738686718,"sku":"LT_518_50ML","price":28.99,"currency_code":"USD","in_stock":false},{"title":"Fresh Material \/ 300 mL Cartridge","offer_id":48993738719486,"sku":"LT_518_300ML","price":125.99,"currency_code":"USD","in_stock":false},{"title":"Short Shelf Life (1-3 Mths Left) \/ 6 mL Tube","offer_id":48993738752254,"sku":"SL_LT_518_6ML","price":6.99,"currency_code":"USD","in_stock":false},{"title":"Short Shelf Life (1-3 Mths Left) \/ 50 mL Tube","offer_id":48993738785022,"sku":"SL_LT_518_50ML","price":21.99,"currency_code":"USD","in_stock":false},{"title":"Short Shelf Life (1-3 Mths Left) \/ 300 mL Cartridge","offer_id":48993738817790,"sku":"SL_LT_518_300ML","price":94.99,"currency_code":"USD","in_stock":false},{"title":"Recently Expired \/ 6 mL Tube","offer_id":48993738850558,"sku":"XP_LT_518_6ML","price":4.99,"currency_code":"USD","in_stock":false},{"title":"Recently Expired \/ 50 mL Tube","offer_id":48993738883326,"sku":"XP_LT_518_50ML","price":14.99,"currency_code":"USD","in_stock":false},{"title":"Recently Expired \/ 300 mL Cartridge","offer_id":48993738916094,"sku":"XP_LT_518_300ML","price":62.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1212\/5762\/files\/loctite-518-6ml.webp?v=1789838368","url":"https:\/\/www.perigeedirect.com\/products\/loctite-518-flange-sealant-for-rigid-metal-flanges","provider":"Perigee Direct","version":"1.0","type":"link"}