{"product_id":"loctite-si-5920-copper-rtv-silicone-gasket-maker-high-temperature","title":"Loctite SI 5920 Copper RTV Silicone Gasket Maker – High-Temperature","description":"\u003cp\u003eLoctite SI 5920 is a copper-colored silicone gasket maker for flexible flanges exposed to high temperatures. Its non-corrosive, moisture-curing formula is also suitable for electrical insulating applications.\u003c\/p\u003e\u003ch3\u003eKey Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOne-part RTV formula—no mixing required.\u003c\/li\u003e\n\u003cli\u003eDesigned for heat-resistant gasketing and sealing.\u003c\/li\u003e\n\u003cli\u003eThixotropic paste helps control movement after dispensing.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePopular Applications\u003c\/h3\u003e\u003cp\u003eSealing machined or cast flexible flanges in automotive repair, industrial maintenance and equipment assembly; corrosion-sensitive electrical assemblies where an insulating seal is needed. Test compatibility with the actual substrate and service conditions.\u003c\/p\u003e\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eChemistry \/ color\u003c\/th\u003e\n\u003ctd\u003eSilicone \/ copper-colored paste\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCure\u003c\/th\u003e\n\u003ctd\u003eRoom-temperature, moisture initiated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTypical application temperature\u003c\/th\u003e\n\u003ctd\u003eUp to 350°C (662°F); validate service conditions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTack-free time\u003c\/th\u003e\n\u003ctd\u003e20–60 minutes at 22°C, 50±5% RH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecific gravity\u003c\/th\u003e\n\u003ctd\u003e1.05 at 22°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShore A hardness\u003c\/th\u003e\n\u003ctd\u003e23–38\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eElongation \/ tensile strength\u003c\/th\u003e\n\u003ctd\u003eAt least 350% \/ 1.4 MPa (205 psi)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCured-property test conditions\u003c\/th\u003e\n\u003ctd\u003e7 days at 25°C, 50±5% RH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eApplication and Limitations\u003c\/h3\u003e\u003cp\u003eDegrease and clean mating surfaces. Assemble within minutes of dispensing. Allow adequate cure before heavy loads—Henkel gives seven days as an example. Not recommended for gasoline contact, oxygen-rich systems or strong oxidizers. Store sealed and dry, ideally at 8–21°C. Consult the package-specific safety sheet before use.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWARNING:\u003c\/strong\u003e 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-SI-5920-en_GL.pdf\"\u003eHenkel technical data sheet (December 2013)\u003c\/a\u003e\u003c\/p\u003e","brand":"Loctite","offers":[{"title":"Fresh Material \/ 80 mL Tube","offer_id":49017892471038,"sku":"LT_SI5920_80ML","price":5.99,"currency_code":"USD","in_stock":true},{"title":"Fresh Material \/ 300 mL Cartridge","offer_id":49017892503806,"sku":"LT_SI5920_300ML","price":42.99,"currency_code":"USD","in_stock":true},{"title":"Short Shelf Life (1-3 Mths Left) \/ 80 mL Tube","offer_id":49017892536574,"sku":"SL_LT_SI5920_80ML","price":4.99,"currency_code":"USD","in_stock":false},{"title":"Short Shelf Life (1-3 Mths Left) \/ 300 mL Cartridge","offer_id":49017892569342,"sku":"SL_LT_SI5920_300ML","price":32.99,"currency_code":"USD","in_stock":false},{"title":"Recently Expired \/ 80 mL Tube","offer_id":49017892602110,"sku":"XP_LT_SI5920_80ML","price":2.99,"currency_code":"USD","in_stock":false},{"title":"Recently Expired \/ 300 mL Cartridge","offer_id":49017892634878,"sku":"XP_LT_SI5920_300ML","price":21.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1212\/5762\/files\/loctite-si-5920-80ml-tube.webp?v=1790013931","url":"https:\/\/www.perigeedirect.com\/products\/loctite-si-5920-copper-rtv-silicone-gasket-maker-high-temperature","provider":"Perigee Direct","version":"1.0","type":"link"}