Polyurethane Sealant 3M™ 540 3M™ The 3M™ polyurethane sealant is a single-component product used for bonding, sealing, and waterproofing in various industrial sectors, including automotive, construction, and marine. This sealant is known for its strong adhesion to numerous surfaces such as metal, wood, glass, concrete, and plastics. Once applied, it cures by reacting with moisture in the air to form a flexible, durable joint that is resistant to vibrations, weathering, and UV rays. This sealant is particularly valued for its ability to create durable joints that remain flexible even under harsh conditions. It is commonly used for tasks such as joint sealing, panel bonding, and part assembly. Its single-component formula makes it easy to use, with no need for prior mixing. Learn more
Sikaflex® 521 Adhesive Sealant Sika The Sikaflex® 521 Adhesive Sealant is a high-performance polyurethane-based solution designed for industrial bonding and sealing applications. Ideal for panel bonding, multi-material assembly, and watertight sealing on metal, aluminum, plastics, and composites, it provides strong adhesion, long-term elasticity, and resistance to vibration and weathering. Perfect for commercial vehicle manufacturing, industrial bodywork, truck outfitting, and equipment production, this adhesive sealant ensures clean finishing and reliable performance in demanding environments. Learn more
Sikaflex® PRO-3 SL sealant Sika Sikaflex® PRO-3 SL by Sika is a high-performance self-leveling polyurethane floor sealant designed for concrete joints in industrial and commercial environments. Perfect for parking decks, warehouses, production facilities, traffic areas, and fuel stations, it provides outstanding mechanical strength, chemical resistance, and abrasion resistance. Its self-smoothing formulation ensures fast, even application on horizontal joints, delivering long-lasting sealing performance under vehicle traffic, exposure to fuels, and temperature variations. This PU floor sealant is a dependable solution for protecting concrete slabs and infrastructure subjected to heavy-duty use. Learn more
Sikaflex® 268 Adhesive Sealant Sika The Sikaflex® 268 Adhesive Sealant is a high-performance solution engineered for structural bonding and sealing in the rail industry and vehicle manufacturing. Designed for panel bonding, window installation, and fixing of metal or composite components, it delivers outstanding mechanical strength, strong adhesion, and long-term durability under vibration and dynamic stress. Ideal for train, tram, and bus production, this adhesive sealant ensures reliable bonding, professional finishing, and consistent performance in demanding industrial environments. Learn more
Mastic-colle PU Sikaflex® 252 Sika Sikaflex® 252 by Sika is a high-strength polyurethane (PU) adhesive sealant engineered for structural bonding in transportation and industrial applications. Known for its outstanding mechanical strength and excellent adhesion to metal, aluminum, galvanized steel, wood, and plastics, it is ideal for bonding sandwich panels, truck bodies, commercial vehicles, trailers, and industrial assemblies. Its resistance to vibration and dynamic stress makes it suitable for load-bearing structures and demanding environments. Easy to apply and paintable after curing, this PU adhesive ensures durable, secure, and long-lasting bonding performance. Learn more
SIKA Sikaflex PRO 11 FC Purform Polyurethane Sealant Sika The SIKA Sikaflex PRO 11 FC Purform polyurethane sealant is a high-performance adhesive designed for sealing and bonding applications in the building and construction sectors. Its next-generation Purform formulation provides exceptional resistance to weathering, UV, and moisture, ensuring long-lasting durability. It bonds effectively to a wide range of materials, including concrete, metal, wood, and plastics, while remaining flexible to accommodate joint movement. Sikaflex PRO 11 FC Purform is particularly recommended for expansion joints, facade joints, and structural bonding applications, offering reliable and long-lasting sealing performance. Learn more
Sikaflex® 223 PU adhesive sealant Sika Sikaflex® 223 by Sika is a versatile polyurethane (PU) adhesive sealant designed for bonding and sealing in industrial and transportation sectors. It provides strong adhesion to metal, aluminum, painted steel, wood, and selected plastics, making it suitable for body panel assembly, joint sealing in commercial vehicles, buses, trailers, and industrial equipment. With good resistance to vibration and moderate mechanical stress, it delivers long-lasting, flexible sealing performance. Easy to apply and paintable after curing, this PU adhesive sealant is a reliable choice for professional industrial applications. Learn more