{"product_id":"ledar-ms3930-single-component-silyl-modified-sealant","title":"Ledar MS3930 Single-Component Silyl-Modified Sealant","description":"\u003cp\u003e MS3930 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\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\n\u003cp\u003e \u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e Base Polymer: Silyl-modified polymer\u003c\/li\u003e\n\n\u003cli\u003e Colors: White, Black, Gray, Custom options\u003c\/li\u003e\n\n \u003cli\u003eDensity: 1.45 g\/mL\u003c\/li\u003e\n\n\u003cli\u003e Curing: Moisture-curing\u003c\/li\u003e\n\n\u003cli\u003e Non-sagging\u003c\/li\u003e\n\n\u003cli\u003e Application Temperature: 5–35°C\u003c\/li\u003e\n\n\u003cli\u003e Surface Dry: 20 min (23°C \/ 50% RH)\u003c\/li\u003e\n\n\u003cli\u003e Cure Rate: 3 mm \/ 24 hr (23°C \/ 50% RH)\u003c\/li\u003e\n\n\u003cli\u003e Hardness: 42 Shore A\u003c\/li\u003e\n\n\u003cli\u003e Tensile Strength: 2.3 MPa\u003c\/li\u003e\n\n\u003cli\u003e 100% Modulus: 1.1 MPa\u003c\/li\u003e\n\n\u003cli\u003e Elongation at Break: 400%\u003c\/li\u003e\n\n\u003cli\u003e Shear Strength: 1.8 MPa\u003c\/li\u003e\n\n\u003cli\u003e Service Temperature (Long-term): -40°C to 90°C\u003c\/li\u003e\n\n\u003cli\u003e Shelf Life: 12 months at 23°C\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cp\u003e \u003cstrong\u003eTypical Applications\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e Sealing and bonding for buses, trains, trucks, and RVs\u003c\/li\u003e\n\n\u003cli\u003e Automotive sunroof system sealing\u003c\/li\u003e\n\n\u003cli\u003e Flooring systems in buses, trains, and RVs\u003c\/li\u003e\n\n\u003cli\u003e Weld seam sealing\u003c\/li\u003e\n\n\u003cli\u003e HVAC and refrigeration equipment sealing\u003c\/li\u003e\n\n\u003cli\u003e Container sealing\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cp\u003e \u003cstrong\u003eCompatible Substrates\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e Metalssteel, iron, copper, aluminum, stainless steel\u003c\/li\u003e\n\n\u003cli\u003e Treated metalsgalvanized, anodized, painted\u003c\/li\u003e\n\n\u003cli\u003e Wood, ceramics, concrete, and other inorganic substrates\u003c\/li\u003e\n\n\u003cli\u003e PlasticsPVC, PC, ABS (PP and other polyolefins require surface treatment)\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cp\u003e Note: Some substrates may cause stress cracking. Pre-test recommended for uncertain materials.\u003c\/p\u003e\n\n\u003cp\u003e \u003cstrong\u003eSurface Preparation\u003c\/strong\u003e\u003c\/p\u003e\n\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\n\u003cp\u003e \u003cstrong\u003ePrimer Recommendation\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e P50 Non-porous substrates\u003c\/li\u003e\n\n\u003cli\u003e P60 Porous substrates\u003c\/li\u003e\n\n\u003cli\u003e P70 Difficult-to-bond polyolefins\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cp\u003e Note: Most substrates do not require a primer unless exposed to high humidity or frequent immersion.\u003c\/p\u003e\n\n\u003cp\u003e \u003cstrong\u003ePaint Compatibility\u003c\/strong\u003e\u003cbr\u003e Compatible 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\n\u003cp\u003e \u003cstrong\u003ePackaging Options\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e 300 mL plastic cartridge\u003c\/li\u003e\n\n\u003cli\u003e 600 mL aluminum sausage\u003c\/li\u003e\n\n\u003cli\u003e 20 L \u0026amp; 200 L drums (for automated dispensing equipment)\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cp\u003e \u003cstrong\u003eStorage\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e 12 months from manufacturing date\u003c\/li\u003e\n\n\u003cli\u003e Store in a cool, dry place (10–25°C)\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cp\u003e For 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\/products\/ledar-ms3930-single-component-silyl-modified-sealant","provider":"Ever Trust Tools","version":"1.0","type":"link"}