{"product_id":"ledar-ms3930-single-component-silyl-modified-sealant","title":"Ledar MS3930 Single-Component Silyl-Modified Sealant","description":"\u003cp\u003eMS3930 is a high-performance, single-component silyl-modified polymer (SMP) sealant designed for durable sealing and bonding in industrial and automotive applications. Solvent-free, isocyanate-free, PVC-free, and silicone-free, it offers excellent UV resistance, high and low-temperature tolerance, and compatibility with most paints and coatings. MS3930 is ideal for applications requiring high movement capability.\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0704\/1558\/1340\/files\/Ledar_MS3930_Single-Component_Silyl-Modified_Sealant.png?v=1766057983\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBase Polymer: Silyl-modified polymer\u003c\/li\u003e\n\u003cli\u003eColors: White, Black, Gray, Custom options\u003c\/li\u003e\n\u003cli\u003eDensity: 1.45 g\/mL\u003c\/li\u003e\n\u003cli\u003eCuring: Moisture-curing\u003c\/li\u003e\n\u003cli\u003eNon-sagging\u003c\/li\u003e\n\u003cli\u003eApplication Temperature: 5–35°C\u003c\/li\u003e\n\u003cli\u003eSurface Dry: 20 min (23°C \/ 50% RH)\u003c\/li\u003e\n\u003cli\u003eCure Rate: 3 mm \/ 24 hr (23°C \/ 50% RH)\u003c\/li\u003e\n\u003cli\u003eHardness: 42 Shore A\u003c\/li\u003e\n\u003cli\u003eTensile Strength: 2.3 MPa\u003c\/li\u003e\n\u003cli\u003e100% Modulus: 1.1 MPa\u003c\/li\u003e\n\u003cli\u003eElongation at Break: 400%\u003c\/li\u003e\n\u003cli\u003eShear Strength: 1.8 MPa\u003c\/li\u003e\n\u003cli\u003eService Temperature (Long-term): -40°C to 90°C\u003c\/li\u003e\n\u003cli\u003eShelf Life: 12 months at 23°C\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTypical Applications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSealing and bonding for buses, trains, trucks, and RVs\u003c\/li\u003e\n\u003cli\u003eAutomotive sunroof system sealing\u003c\/li\u003e\n\u003cli\u003eFlooring systems in buses, trains, and RVs\u003c\/li\u003e\n\u003cli\u003eWeld seam sealing\u003c\/li\u003e\n\u003cli\u003eHVAC and refrigeration equipment sealing\u003c\/li\u003e\n\u003cli\u003eContainer sealing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCompatible Substrates\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMetalssteel, iron, copper, aluminum, stainless steel\u003c\/li\u003e\n\u003cli\u003eTreated metalsgalvanized, anodized, painted\u003c\/li\u003e\n\u003cli\u003eWood, ceramics, concrete, and other inorganic substrates\u003c\/li\u003e\n\u003cli\u003ePlasticsPVC, PC, ABS (PP and other polyolefins require surface treatment)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNote: Some substrates may cause stress cracking. Pre-test recommended for uncertain materials.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSurface Preparation\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eEnsure substrate surfaces are free of dust, rust, oils or other contaminants. Mechanical (sanding) or chemical (isopropanol or alcohol) cleaning methods are recommended. Conduct adhesion testing on coated or uncertain substrates.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePrimer Recommendation\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eP50 Non-porous substrates\u003c\/li\u003e\n\u003cli\u003eP60 Porous substrates\u003c\/li\u003e\n\u003cli\u003eP70 Difficult-to-bond polyolefins\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNote: Most substrates do not require a primer unless exposed to high humidity or frequent immersion.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePaint Compatibility\u003c\/strong\u003e\u003cbr\u003eCompatible with most paints and coatings. For optimal adhesion, paint within 60 minutes after surface drying. Pre-testing is recommended due to variations in commercial paints. Alkyd-based coatings may slow curing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePackaging Options\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e300 mL plastic cartridge\u003c\/li\u003e\n\u003cli\u003e600 mL aluminum sausage\u003c\/li\u003e\n\u003cli\u003e20 L \u0026amp; 200 L drums (for automated dispensing equipment)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eStorage\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e12 months from manufacturing date\u003c\/li\u003e\n\u003cli\u003eStore in a cool, dry place (10–25°C)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor bulk containers, consult for additional storage guidance\u003c\/p\u003e","brand":"Ever Trust Tools","offers":[{"title":"Default Title","offer_id":45829523308700,"sku":null,"price":0.0,"currency_code":"CNY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0704\/1558\/1340\/files\/Ledar_MS3930_Single-Component_Silyl-Modified_Sealant.png?v=1766057983","url":"https:\/\/trading.evertrusttools.com\/zh\/products\/ledar-ms3930-single-component-silyl-modified-sealant","provider":"Ever Trust Tools","version":"1.0","type":"link"}