{"product_id":"ledar-s327-silicone-road-concrete-joint-sealant","title":"Ledar S327 Silicone Road \u0026amp; 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\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\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\n\u003cp\u003e \u003cstrong\u003eKey Features \u0026amp; Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e Excellent Weather Resistance: Outstanding resistance to UV radiation, ozone and extreme climates\u003c\/li\u003e\n\n \u003cli\u003eHigh Movement Capability: Accommodates expansion, contraction and shear movement of concrete joints\u003c\/li\u003e\n\n\u003cli\u003e Low Modulus Performance: Reduces stress on concrete substrates, preventing surface damage\u003c\/li\u003e\n\n\u003cli\u003e Superior Elastic Recovery: Fast response and recovery with minimal permanent deformation\u003c\/li\u003e\n\n\u003cli\u003e Non-Sag Formula: Suitable for horizontal and vertical joint applications\u003c\/li\u003e\n\n\u003cli\u003e Long Service Life: Designed for demanding infrastructure environments\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cstrong\u003e\u003cspan style=\"font-family: Calibri;\"\u003eTechnical Specifications\u003c\/span\u003e\u003c\/strong\u003e \u003c\/p\u003e\n\n\u003ctable width=\"100%\" style=\"width: 99.9987%; height: 411.25px;\"\u003e\n\n\u003ctbody\u003e\n\n\u003ctr style=\"height: 19.5833px;\"\u003e\n\n\u003ctd style=\"width: 34.0861%; text-align: center; height: 19.5833px;\"\u003e \u003cstrong\u003eProperty\u003c\/strong\u003e\n\u003c\/td\u003e\n\n\u003ctd style=\"width: 35.1739%; height: 19.5833px; text-align: center;\"\u003e \u003cstrong\u003eValue\u003c\/strong\u003e\n\u003c\/td\u003e\n\n\u003ctd style=\"width: 30.2786%; height: 19.5833px; text-align: center;\"\u003e \u003cstrong\u003eStandard\u003c\/strong\u003e \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr style=\"height: 19.5833px;\"\u003e\n\n\u003ctd style=\"width: 34.0861%; text-align: center; height: 19.5833px;\"\u003e Extrusion Rate\u003c\/td\u003e\n\n\u003ctd style=\"width: 35.1739%; text-align: center; height: 19.5833px;\"\u003e ≥80 ml\/min\u003c\/td\u003e\n\n\u003ctd style=\"width: 30.2786%; text-align: center; height: 19.5833px;\"\u003e GB\/T 13477.3 \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr style=\"height: 19.5833px;\"\u003e\n\n\u003ctd style=\"width: 34.0861%; text-align: center; height: 19.5833px;\"\u003e Tack-Free Time\u003c\/td\u003e\n\n\u003ctd style=\"width: 35.1739%; text-align: center; height: 19.5833px;\"\u003e ≤1 hour\u003c\/td\u003e\n\n\u003ctd style=\"width: 30.2786%; text-align: center; height: 19.5833px;\"\u003e GB\/T 13477.5 \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr style=\"height: 39.1667px;\"\u003e\n\n\u003ctd style=\"width: 34.0861%; text-align: center; height: 39.1667px;\"\u003e Tensile Strength (23°C, 28 days)\u003c\/td\u003e\n\n\u003ctd style=\"width: 35.1739%; text-align: center; height: 39.1667px;\"\u003e ≥0.80 MPa\u003c\/td\u003e\n\n\u003ctd style=\"width: 30.2786%; text-align: center; height: 39.1667px;\"\u003e GB\/T 13477.8 \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr style=\"height: 39.1667px;\"\u003e\n\n\u003ctd style=\"width: 34.0861%; text-align: center; height: 39.1667px;\"\u003e Tensile Strength after UV Aging (720h)\u003c\/td\u003e\n\n\u003ctd style=\"width: 35.1739%; text-align: center; height: 39.1667px;\"\u003e ≥0.6 MPa\u003c\/td\u003e\n\n\u003ctd style=\"width: 30.2786%; text-align: center; height: 39.1667px;\"\u003e GB\/T 13477.8 \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr style=\"height: 39.1667px;\"\u003e\n\n\u003ctd style=\"width: 34.0861%; text-align: center; height: 39.1667px;\"\u003e Elastic Recovery (150% extension)\u003c\/td\u003e\n\n\u003ctd style=\"width: 35.1739%; text-align: center; height: 39.1667px;\"\u003e ≥85%\u003c\/td\u003e\n\n\u003ctd style=\"width: 30.2786%; text-align: center; height: 39.1667px;\"\u003e GB\/T 13477.17 \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr style=\"height: 19.5833px;\"\u003e\n\n\u003ctd style=\"width: 34.0861%; text-align: center; height: 19.5833px;\"\u003e 100% Modulus at 23°C\u003c\/td\u003e\n\n\u003ctd style=\"width: 35.1739%; text-align: center; height: 19.5833px;\"\u003e ≤0.3 MPa\u003c\/td\u003e\n\n\u003ctd style=\"width: 30.2786%; text-align: center; height: 19.5833px;\"\u003e GB\/T 13477.8 \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr style=\"height: 39.1667px;\"\u003e\n\n\u003ctd style=\"width: 34.0861%; text-align: center; height: 39.1667px;\"\u003e Tensile Strength after Water + UV\u003c\/td\u003e\n\n\u003ctd style=\"width: 35.1739%; text-align: center; height: 39.1667px;\"\u003e ≥0.45 MPa\u003c\/td\u003e\n\n\u003ctd style=\"width: 30.2786%; text-align: center; height: 39.1667px;\"\u003e GB\/T 13477.8 \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr style=\"height: 39.1667px;\"\u003e\n\n\u003ctd style=\"width: 34.0861%; text-align: center; height: 39.1667px;\"\u003e Adhesion under Extension (150%)\u003c\/td\u003e\n\n\u003ctd style=\"width: 35.1739%; text-align: center; height: 39.1667px;\"\u003e\u003cbr\u003e\u003c\/td\u003e\n\n\u003ctd style=\"width: 30.2786%; text-align: center; height: 39.1667px;\"\u003e GB\/T 13477.10–15 \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr style=\"height: 19.5833px;\"\u003e\n\n\u003ctd style=\"width: 34.0861%; text-align: center; height: 19.5833px;\"\u003e Elongation at Break\u003c\/td\u003e\n\n\u003ctd style=\"width: 35.1739%; text-align: center; height: 19.5833px;\"\u003e ≥800%\u003c\/td\u003e\n\n\u003ctd style=\"width: 30.2786%; text-align: center; height: 19.5833px;\"\u003e GB\/T 13477.8\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr style=\"height: 19.5833px;\"\u003e\n\n \u003ctd style=\"width: 34.0861%; text-align: center; height: 19.5833px;\"\u003eThermal Aging: Weight Loss\u003c\/td\u003e\n\n\u003ctd style=\"width: 35.1739%; text-align: center; height: 19.5833px;\"\u003e ≤5%\u003c\/td\u003e\n\n\u003ctd style=\"width: 30.2786%; text-align: center; height: 19.5833px;\"\u003e\u003cbr\u003e\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr style=\"height: 39.1667px;\"\u003e\n\n\u003ctd style=\"width: 34.0861%; text-align: center; height: 39.1667px;\"\u003e Thermal Aging: Cracking\/Powdering\u003c\/td\u003e\n\n\u003ctd style=\"width: 35.1739%; text-align: center; height: 39.1667px;\"\u003e\u003cbr\u003e\u003c\/td\u003e\n\n\u003ctd style=\"width: 30.2786%; text-align: center; height: 39.1667px;\"\u003e\u003cbr\u003e\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr style=\"height: 39.1667px;\"\u003e\n\n\u003ctd style=\"width: 34.0861%; text-align: center; height: 39.1667px;\"\u003e Adhesion Failure Area on Concrete\u003c\/td\u003e\n\n\u003ctd style=\"width: 35.1739%; text-align: center; height: 39.1667px;\"\u003e ≤20%\u003c\/td\u003e\n\n\u003ctd style=\"width: 30.2786%; text-align: center; height: 39.1667px;\"\u003e GB\/T 13477.8\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\n\n\n\u003c\/table\u003e\n\n\u003cp\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cstrong\u003eTypical Applications\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e Sealing of airport runways and highway pavement joints\u003c\/li\u003e\n\n\u003cli\u003e Expansion joint sealing for concrete roads and pavements\u003c\/li\u003e\n\n\u003cli\u003e Infrastructure sealing for subways, tunnels, bridges and rail projects\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cstrong\u003eApplication Notes\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e Ensure joint surfaces are clean, dry and free from oil, dust or loose materials\u003c\/li\u003e\n\n\u003cli\u003e Rusted metal surfaces should be mechanically cleaned before application\u003c\/li\u003e\n\n\u003cli\u003e Compatibility testing is recommended according to GB 16776 prior to use\u003c\/li\u003e\n\n\u003cli\u003e Suitable application temperature5°C: 45°C\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cp\u003e Frosted or damp surfaces must be completely dried before application\u003c\/p\u003e\n\n\u003cp\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cstrong\u003eLimitations\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e Not recommended for substrates that may bleed oils or plasticizers (eg certain rubbers or plastics)\u003c\/li\u003e\n\n\u003cli\u003e Primer is required when applied to porous substrates such as concrete or stone\u003c\/li\u003e\n\n\u003cli\u003e Not suitable for copper or copper-containing materials due to potential corrosion\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cstrong\u003eCompliance\u003c\/strong\u003e\u003c\/p\u003e\n\n \u003cp\u003eComplies with Q\/CR 601-2017: Joint Sealing Materials for Ballastless Railway Track\u003c\/p\u003e\n\n\u003cp\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cstrong\u003ePackaging\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e 590 ml sausage pack\u003c\/li\u003e\n\n\u003cli\u003e 300 ml cartridge\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cp\u003e \u003cstrong\u003eStorage \u0026amp; Shelf Life\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e Store in a cool, dry place at 10°C: 27°C\u003c\/li\u003e\n\n\u003cli\u003e Shelf life12 months from production date\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\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\/products\/ledar-s327-silicone-road-concrete-joint-sealant","provider":"Ever Trust Tools","version":"1.0","type":"link"}