Today’s megatrends such as e-mobility, sustainability, automatization and digitalization create a fast-changing environment and ask for innovative new bonding solutions. Adhesives and sealants belong to the core business of Sika since decades with a strong R&D setup globally. Sika is a global technology leader in elastic and structural adhesives and sealants offering innovative and enhanced solutions for novel joining methods. Bonding is a powerful way to replace welding, screws, bolts and nails and add secondary functions like sealing, dampening or compensation of surface irregularities at the same time.
"Sika takes pride in providing a wide range of adhesives and sealants that are ideal even for the toughest jobs – in construction, industry and automotive. As the importance of sustainability continues to grow across industries, Sika develops technologies that not only give priority to performance but enables the transition to low carbon, resource efficient and future oriented economies. This approach has a growing impact on product formulations but also on production, packaging, and recycling options." Urs Jaeger, Global Head Technology - Adhesive Systems
Adhesive Systems - Sika Technologies
Sika's wide and fundamental knowledge, the proximity to customers, and new material research allows the R&D team to master future sealing and bonding challenges with innovative, smart product solutions. In addition to elastic and structural adhesives, sealants, pretreatments and foams, Sika develops potting materials and resins for composite manufacturing. Sika owns all relevant adhesive technologies like polyurethanes, silane terminated polymers, silicones, epoxy, acrylate, hotmelts and water-based systems applying Sika's high standards on safety and sustainability.
The high performance, versatility and durability of polyurethane sealants and adhesives make them suitable for numerous applications in construction and industrial environments. Sika is recognized as the worldwide technology leader in 1C polyurethane sealants and adhesives (Sikaflex®, SikaTack® and SikaBond®), and develops innovative new technologies such as Purform®, i-Cure® or PowerCure®, but also Curing-by-Design® and Sika Powerflex® for our 2C polyurethane SikaForce® adhesives.
These products offer unique performances serving the megatrends in the industries and offer value added for our customers. Polyurethanes being Sika’s leading technology for sealants and adhesives, they outperform other technologies like SMPs and Silicones for many application fields. With Purform® Sika has developed a new backbone that further enhances the properties of polyurethane.
Purform® is Sika’s next-generation polyurethane technology, combining the trusted strengths of PU with the health, safety, and performance standards of tomorrow. Engineered with ultra-low monomer prepolymers, Purform® products cure rapidly—even at low temperatures—deliver exceptional long term durability, and provide outstanding resistance to heat, humidity, weathering, and chemicals. With monomeric diisocyanate content below 0.1%, this advanced technology minimizes impact on applicators and the environment. Purform® represents a modern, versatile polyurethane platform that reflects Sika’s commitment to innovation, sustainability, and environmental responsibility—future-ready by design.
Sika’s STP (Silane Terminated Polymer) technology combines the proven strengths of polyurethane with the benefits of silane chemistry, delivering moisture-curing adhesives and sealants that adhere exceptionally well to a wide range of substrates. STP products, such as Sikaflex®, offer excellent overpaintability and outstanding resistance to weathering, ensuring reliable performance even under demanding environmental conditions.
These characteristics make STP a versatile and robust technology platform for both construction and industrial applications. By complementing Sika’s broader adhesive and sealant portfolio, STP solutions enable durable, efficient, and sustainable bonding and sealing performance. The STP range meets all relevant industry standards and regulations, providing customers with safe, compliant, and future-ready solutions. Through continuous innovation, Sika enhances this platform with improved mechanical properties, environmental benefits, and user-friendly application features.
Sika takes a unique approach to water-based technology by delivering products that combine reliable performance, an attractive cost profile, and forward-looking sustainability—challenging the outdated perception that water-based sealants are low-performance systems. Our water-based solutions are elastic materials that apply easily without pretreatment, offer long shelf life, deliver excellent overpaintability, and provide superior UV resistance. They also stand out for their sustainability: non-reactive, low in VOCs, free of monomers, catalysts, and by-products, and characterized by an outstanding CO₂ footprint.
Formulated from various aqueous polymer dispersions—such as acrylate, polyurethane, or vinyl acetate copolymers—Sika’s water-based sealants and adhesives cure through water evaporation to form a robust thermoplastic polymer network, which can be further optimized through post-crosslinking. Their versatility makes them suitable for a broad spectrum of applications: from economical crack fillers to high-end exterior sealing in building envelopes, fire-stopping systems, floor bonding, universal construction adhesives, and specialized laminating and flocking solutions in industrial and automotive environments.In summary, Sika has driven a paradigm shift proving that high-performance water-based systems can match the capabilities of reactive technologies.
All-rounder in construction and durable bonding for industrial applications: Sika offers a comprehensive range of epoxy adhesives. In the construction market, Sika’s epoxy products are marketed under the Sikadur® brand. These solutions serve a wide variety of applications, including adhesives, crack fillers, injections, primers, and specialty systems—such as bonding bridge segments or reinforcing structures with carbon-fiber composites. Easy to apply, highly adhesive to most construction materials, and featuring a long open time, Sikadur® products are perfectly suited for these demanding tasks.Epoxy technology also plays a key role in challenging industrial applications.
Sika SmartCore® toughening technology enables SikaPower® adhesives to deliver exceptional strength without the typical brittleness of conventional epoxy resins. These best-in-class solutions ensure long-lasting durability under static or dynamic loads, making them ideal for composite applications such as wind blade bonding or metal bonding in transportation—where they are often preferred over welding. Sika offers a broad portfolio of innovative solutions for crash-durable, semi-crash, structural, hem-flange, anti-flutter, mastic, and sealing applications, available as two-component systems or heat-curing one-component adhesives.
Sika’s acrylate technology enables the development of the fastest-curing structural adhesives. In construction, acrylate-based products—such as Sika AnchorFix®—are widely used for anchor fixing solutions thanks to their high mechanical strength, rapid handling time, and moisture-independent curing. For industrial applications, Sika offers the SikaFast® portfolio: fast-curing, low-odor, structural-elastic adhesives designed for demanding environments. These products provide a broad adhesion range and exceptional bonding performance on glass, metals, and plastics. Particularly on plastics, the adhesion and long-term durability of acrylate adhesives are unmatched.
Sika’s silicone technology is primarily marketed under the Sikasil® and Sikaseal® brand names. These products are predominantly room-temperature curing, condensation-type silicones based on polydimethylsiloxane (PDMS) binders. Well recognized in the market, they offer exceptional elasticity across a wide temperature range (-40°C to +250°C), excellent UV and heat stability, and broad substrate adhesion. These properties make silicone sealants and adhesives ideal for weather-sealing applications and for use in industries such as fenestration, solar, and home appliances.
Silicones are available as one-component moisture-curing products as well as fast-curing two-component adhesives. Sika’s silicone technology meets stringent market standards and complies with safety and sustainability requirements, ensuring reliable, future-ready solutions.
SikaMelt® represents advanced hotmelt solutions designed for both industrial and automotive applications. These reactive and non-reactive systems deliver high initial strength, excellent adhesion to a wide range of substrates, and outstanding durability—even under extreme temperatures and environmental conditions. In industrial settings, SikaMelt® enables efficient lamination processes with low application weight and cost-effectiveness, supporting sectors such as furniture, appliances, and technical textile lamination.
For automotive interiors, SikaMelt® ensures superior performance in bonding components like door panels, load floors, and instrument panels, meeting stringent OEM requirements for heat resistance, flexibility, and aging stability.
Key advantages include fast processing, strong green strength, and resistance to water, chemicals, and aging—making SikaMelt® a sustainable choice for modern manufacturing. Recent innovations have expanded its versatility to include translucent hotmelts for illuminated car interior parts, unlocking new design possibilities for ambient lighting solutions.
Sika’s foam technology delivers next-generation polyurethane foams engineered for precise, reliable, and durable sealing, bonding, insulating, and filling. Our foams provide outstanding expansion control, excellent adhesion to a wide variety of substrates, and superior thermal and acoustic insulation performance. Advanced formulations ensure fast curing, a stable and uniform cell structure, and long-term durability—even under challenging temperature and humidity conditions.
The portfolio is further strengthened by innovative solutions such as high-strength 1.5C foams, fire-retardant foams, adhesive foams, and low-monomer technologies, enabling safe, sustainable, and high-performance applications for demanding construction and installation needs.
Sika offers a comprehensive portfolio of Thermal Interface Materials (TIM) and sealing and bonding technologies engineered for next‑generation battery systems in electric vehicles. Our SikaBiresin® TC series provides highly efficient thermal‑conductive gap fillers for module‑to‑pack and cell‑to‑pack assemblies, ensuring optimal heat transfer, reliable dielectric protection, and stable performance across a wide operating range. These injectable, silicone‑free formulations deliver thermal conductivities up to 3.0 W/m·K, low viscosity for easy dispensing, UL94‑V0 flame resistance, and low squeeze force for excellent compressibility during mounting of the cells and modules.
Specialized solutions with moderate adhesion make them ideal for serviceability and disassembly (re-workability), to enable efficient and flexible industrialized battery pack assembly.
For structural bonding and sealing of battery frames and trays, Sika provides proven high‑performance adhesives such as SikaPower®, SikaForce®, and elastic solutions including Sikaflex® liquid gaskets. These materials support lightweight construction, durable tray sealing, adhesion to mixed materials including aluminum, and efficient high‑strength bonding in both hot‑ and cold‑body shop conditions.
Main Application Fields Construction, Industry and Automotive
Industry
Within many fast-paced industries like the transportation industry, modern adhesives and sealants are used to bond, seal or reinforce structures. Main drivers for the use of adhesives are megatrends like light weight designs, energy efficiency, process automatization, safety and individualization (enable new design). Developing in close cooperation with customers is not limited to best-in-class products, but also ensuring top performance throughout the design, prototyping, validation and full production phases.
Construction
Sealing is essential for watertight and energy efficient building envelopes. Sika offers tailor-made solutions with a portfolio of best-in-class Sikaflex®, Sikasil® or SikaBoom® products for any building. Additionally, fire protection solutions are gaining importance due to urbanization, enhanced awareness and new regulations. Refurbishment and maintenance of ageing infrastructure and buildings is another challenge the market is faced with. Sika offers solutions with the Sikadur®, Sika Carbodur® or SikaBond® product ranges.
Automotive
In today’s complex and fast-changing automotive world, the drive to build lighter, stronger, safer, quieter and greener vehicles of tomorrow starts with strategic suppliers that work together with the OEMs to push the boundaries of what’s possible. Sika is a trusted, leading innovator and supplier of automotive bonding, sealing, damping and reinforcing solutions for vehicle battery applications, BIW car body structure, interior and exterior components and assembly.
