{"product_id":"dow-dupont-betaseal-u-428-hv-plus-primerless-urethane-adhesive-auto-glass-sealant-4-tubes","title":"DOW DuPont Betaseal U-428 HV Plus Primerless Urethane Adhesive Auto Glass Sealant (4 Tubes)","description":"\u003cp\u003e\u003cstrong\u003eDUPONT BETASEAL™ U-428+ HV\u003c\/strong\u003e is a professional-grade, high-viscosity polyurethane adhesive designed for windshields, back glass, quarter glass, and other direct-glazed stationary automotive glass installations. Its primerless-to-glass formula incorporates glass primer into the urethane, helping streamline installation while providing a strong, dependable bond.\u003c\/p\u003e\n\u003cp\u003eThis listing includes \u003cstrong\u003e4 tubes\u003c\/strong\u003e of BETASEAL™ U-428+ HV adhesive—ideal for professional installers, multiple repairs, or approximately two typical windshield or back-glass installations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eImportant: A high-thrust, heavy-duty caulking gun is required. A 26:1 ratio caulking gun is recommended.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eFeatures \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eProfessional-grade polyurethane auto glass adhesive\u003c\/li\u003e\n\u003cli\u003ePrimerless adhesion to glass\u003c\/li\u003e\n\u003cli\u003eOne-component, conventional-cure formula\u003c\/li\u003e\n\u003cli\u003eHigh-viscosity formula for improved decking and sag resistance\u003c\/li\u003e\n\u003cli\u003eSuitable for windshields, backlites, quarter glass, and other stationary automotive glass\u003c\/li\u003e\n\u003cli\u003eCan be used for backfilling reveal moldings or trim\u003c\/li\u003e\n\u003cli\u003eMoisture-curing formula activated by temperature, humidity, and time\u003c\/li\u003e\n\u003cli\u003eBlack urethane adhesive for direct glazing and structural bonding applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e4 × BETASEAL™ U-428+ HV Adhesive Tubes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eMost windshield or back-glass installations require approximately 2 tubes; actual usage varies by vehicle.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eApplication\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eClean all bonding surfaces and remove grease, dust, oil, moisture, and loose material.\u003c\/li\u003e\n\u003cli\u003eApply a continuous triangular bead using a high-thrust, professional caulking gun.\u003c\/li\u003e\n\u003cli\u003eInstall the glass within the product’s open time and follow the recommended safe drive-away time for the specific installation conditions.\u003c\/li\u003e\n\u003cli\u003eUse BETAPRIME™ 5504G primer on exposed bare metal, pinchweld areas, and plastic-encapsulated parts as required for safe adhesion.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHelpful Tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThis is a high-viscosity (thick) professional adhesive.\u003c\/li\u003e\n\u003cli\u003eA 26:1 ratio, heavy-duty, or battery-powered caulking gun is recommended.\u003c\/li\u003e\n\u003cli\u003eIf using a standard caulking gun, gently warming the cartridges with a hair dryer for approximately 15 minutes may improve flow.\u003c\/li\u003e\n\u003cli\u003eStore at room temperature for easier application.\u003c\/li\u003e\n\u003cli\u003eDo not allow cartridges to freeze or become excessively cold.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eImportant\u003c\/h3\u003e\n\u003cp\u003eDesigned for professional automotive glass replacement and stationary glass bonding. Always follow the product label, technical data sheet, vehicle manufacturer’s installation procedures, and safety recommendations to ensure a safe, secure installation.\u003c\/p\u003e","brand":"DuPont","offers":[{"title":"Default Title","offer_id":67464254554416,"sku":"4 tubes Dow","price":39.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1806\/8367\/files\/Dow_4_Tubes.png?v=1785956894","url":"https:\/\/www.nationalautoglassdirect.net\/products\/dow-dupont-betaseal-u-428-hv-plus-primerless-urethane-adhesive-auto-glass-sealant-4-tubes","provider":"National Auto Glass Direct","version":"1.0","type":"link"}