{"product_id":"ledar-s327-silicone-road-concrete-joint-sealant","title":"Ledar S327 Silicone Road \u0026 Concrete Joint Sealant","description":"\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003e\u003cspan style=\"font-family: Calibri;\"\u003eS327 is a one-component, non-sag silicone joint sealant specifically engineered for long-term weatherproof sealing of concrete expansion joints in airports, highways, tunnels, bridges and other heavy-duty infrastructure projects.\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003e\u003cspan style=\"font-family: Calibri;\"\u003eFeaturing low modulus, excellent elastic recovery and outstanding UV and climate resistance, S327 reliably withstands extreme temperatures, strong ultraviolet exposure and repeated joint movement without cracking or loss of adhesion.\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"text-align: center;\"\u003e\u003cspan\u003e\u003cspan style=\"font-family: Calibri;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0704\/1558\/1340\/files\/Ledar_S327_Silicone_Road_Concrete_Joint_Sealant.png?v=1766054998\" alt=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features \u0026amp; Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eExcellent Weather Resistance: Outstanding resistance to UV radiation, ozone and extreme climates\u003c\/li\u003e\n\u003cli\u003eHigh Movement Capability: Accommodates expansion, contraction and shear movement of concrete joints\u003c\/li\u003e\n\u003cli\u003eLow Modulus Performance: Reduces stress on concrete substrates, preventing surface damage\u003c\/li\u003e\n\u003cli\u003eSuperior Elastic Recovery: Fast response and recovery with minimal permanent deformation\u003c\/li\u003e\n\u003cli\u003eNon-Sag Formula: Suitable for horizontal and vertical joint applications\u003c\/li\u003e\n\u003cli\u003eLong Service Life: Designed for demanding infrastructure environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-family: Calibri;\"\u003eTechnical Specifications\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\" style=\"width: 99.9987%; height: 411.25px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5833px;\"\u003e\n\u003ctd style=\"width: 34.0861%; text-align: center; height: 19.5833px;\"\u003e\u003cstrong\u003e Property\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 35.1739%; height: 19.5833px; text-align: center;\"\u003e\u003cstrong\u003eValue\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 30.2786%; height: 19.5833px; text-align: center;\"\u003e\u003cstrong\u003eStandard\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5833px;\"\u003e\n\u003ctd style=\"width: 34.0861%; text-align: center; height: 19.5833px;\"\u003eExtrusion Rate\u003c\/td\u003e\n\u003ctd style=\"width: 35.1739%; text-align: center; height: 19.5833px;\"\u003e≥80 ml\/min\u003c\/td\u003e\n\u003ctd style=\"width: 30.2786%; text-align: center; height: 19.5833px;\"\u003eGB\/T 13477.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5833px;\"\u003e\n\u003ctd style=\"width: 34.0861%; text-align: center; height: 19.5833px;\"\u003eTack-Free Time\u003c\/td\u003e\n\u003ctd style=\"width: 35.1739%; text-align: center; height: 19.5833px;\"\u003e≤1 hour\u003c\/td\u003e\n\u003ctd style=\"width: 30.2786%; text-align: center; height: 19.5833px;\"\u003eGB\/T 13477.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1667px;\"\u003e\n\u003ctd style=\"width: 34.0861%; text-align: center; height: 39.1667px;\"\u003eTensile Strength (23°C, 28 days)\u003c\/td\u003e\n\u003ctd style=\"width: 35.1739%; text-align: center; height: 39.1667px;\"\u003e≥0.80 MPa\u003c\/td\u003e\n\u003ctd style=\"width: 30.2786%; text-align: center; height: 39.1667px;\"\u003eGB\/T 13477.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1667px;\"\u003e\n\u003ctd style=\"width: 34.0861%; text-align: center; height: 39.1667px;\"\u003eTensile Strength after UV Aging (720h)\u003c\/td\u003e\n\u003ctd style=\"width: 35.1739%; text-align: center; height: 39.1667px;\"\u003e≥0.6 MPa\u003c\/td\u003e\n\u003ctd style=\"width: 30.2786%; text-align: center; height: 39.1667px;\"\u003eGB\/T 13477.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1667px;\"\u003e\n\u003ctd style=\"width: 34.0861%; text-align: center; height: 39.1667px;\"\u003eElastic Recovery (150% extension)\u003c\/td\u003e\n\u003ctd style=\"width: 35.1739%; text-align: center; height: 39.1667px;\"\u003e≥85%\u003c\/td\u003e\n\u003ctd style=\"width: 30.2786%; text-align: center; height: 39.1667px;\"\u003eGB\/T 13477.17\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5833px;\"\u003e\n\u003ctd style=\"width: 34.0861%; text-align: center; height: 19.5833px;\"\u003e100% Modulus at 23°C\u003c\/td\u003e\n\u003ctd style=\"width: 35.1739%; text-align: center; height: 19.5833px;\"\u003e≤0.3 MPa\u003c\/td\u003e\n\u003ctd style=\"width: 30.2786%; text-align: center; height: 19.5833px;\"\u003eGB\/T 13477.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1667px;\"\u003e\n\u003ctd style=\"width: 34.0861%; text-align: center; height: 39.1667px;\"\u003eTensile Strength after Water + UV\u003c\/td\u003e\n\u003ctd style=\"width: 35.1739%; text-align: center; height: 39.1667px;\"\u003e≥0.45 MPa\u003c\/td\u003e\n\u003ctd style=\"width: 30.2786%; text-align: center; height: 39.1667px;\"\u003eGB\/T 13477.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1667px;\"\u003e\n\u003ctd style=\"width: 34.0861%; text-align: center; height: 39.1667px;\"\u003eAdhesion under Extension (150%)\u003c\/td\u003e\n\u003ctd style=\"width: 35.1739%; text-align: center; height: 39.1667px;\"\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 30.2786%; text-align: center; height: 39.1667px;\"\u003eGB\/T 13477.10–15\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5833px;\"\u003e\n\u003ctd style=\"width: 34.0861%; text-align: center; height: 19.5833px;\"\u003eElongation at Break\u003c\/td\u003e\n\u003ctd style=\"width: 35.1739%; text-align: center; height: 19.5833px;\"\u003e≥800%\u003c\/td\u003e\n\u003ctd style=\"width: 30.2786%; text-align: center; height: 19.5833px;\"\u003eGB\/T 13477.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5833px;\"\u003e\n\u003ctd style=\"width: 34.0861%; text-align: center; height: 19.5833px;\"\u003eThermal Aging: Weight Loss\u003c\/td\u003e\n\u003ctd style=\"width: 35.1739%; text-align: center; height: 19.5833px;\"\u003e≤5%\u003c\/td\u003e\n\u003ctd style=\"width: 30.2786%; text-align: center; height: 19.5833px;\"\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1667px;\"\u003e\n\u003ctd style=\"width: 34.0861%; text-align: center; height: 39.1667px;\"\u003eThermal Aging: Cracking \/ Powdering\u003c\/td\u003e\n\u003ctd style=\"width: 35.1739%; text-align: center; height: 39.1667px;\"\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 30.2786%; text-align: center; height: 39.1667px;\"\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1667px;\"\u003e\n\u003ctd style=\"width: 34.0861%; text-align: center; height: 39.1667px;\"\u003eAdhesion Failure Area on Concrete\u003c\/td\u003e\n\u003ctd style=\"width: 35.1739%; text-align: center; height: 39.1667px;\"\u003e≤20%\u003c\/td\u003e\n\u003ctd style=\"width: 30.2786%; text-align: center; height: 39.1667px;\"\u003eGB\/T 13477.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTypical Applications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSealing of airport runways and highway pavement joints\u003c\/li\u003e\n\u003cli\u003eExpansion joint sealing for concrete roads and pavements\u003c\/li\u003e\n\u003cli\u003eInfrastructure sealing for subways, tunnels, bridges and rail projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApplication Notes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEnsure joint surfaces are clean, dry and free from oil, dust or loose materials\u003c\/li\u003e\n\u003cli\u003eRusted metal surfaces should be mechanically cleaned before application\u003c\/li\u003e\n\u003cli\u003eCompatibility testing is recommended according to GB 16776 prior to use\u003c\/li\u003e\n\u003cli\u003eSuitable application temperature5°C: 45°C\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFrosted or damp surfaces must be completely dried before application\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLimitations\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNot recommended for substrates that may bleed oils or plasticizers (e.g. certain rubbers or plastics)\u003c\/li\u003e\n\u003cli\u003ePrimer is required when applied to porous substrates such as concrete or stone\u003c\/li\u003e\n\u003cli\u003eNot suitable for copper or copper-containing materials due to potential corrosion\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompliance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eComplies with Q\/CR 601-2017: Joint Sealing Materials for Ballastless Railway Track\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePackaging\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e590 ml sausage pack\u003c\/li\u003e\n\u003cli\u003e300 ml cartridge\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eStorage \u0026amp; Shelf Life\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eStore in a cool, dry place at 10°C: 27°C\u003c\/li\u003e\n\u003cli\u003eShelf life12 months from production date\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Ever Trust Tools","offers":[{"title":"Default Title","offer_id":45829431623836,"sku":null,"price":0.0,"currency_code":"CNY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0704\/1558\/1340\/files\/Ledar_S327_Silicone_Road_Concrete_Joint_Sealant.png?v=1766054998","url":"https:\/\/trading.evertrusttools.com\/zh\/products\/ledar-s327-silicone-road-concrete-joint-sealant","provider":"Ever Trust Tools","version":"1.0","type":"link"}