High-performance sealants, polyurethanes, and chemical adhesives engineered to meet precise structural specifications.
The global demand for energy-efficient construction, coupled with strict regulations concerning carbon emissions, has transformed the role of expanding polyurethane (PU) foam from a basic utility sealant into a highly engineered structural component. Modern expanding foams play a critical role in building envelopes, window installations, modular housing, and high-performance HVAC systems. By effectively sealing thermal bridges, expanding foam prevents air leakage and minimizes heat exchange, direct elements of modern net-zero building standards.
Globally, the construction industry is witnessing a structural shift toward eco-friendly and safe chemicals. Key market regulators are enforcing compliance on volatile organic compound (VOC) emissions, driving the adoption of low-free isocyanate monomer formulations (commonly known as Low MDI foams). Concurrently, the rise of modular construction and pre-fabricated panels requires expanding foams that exhibit fast-curing properties, excellent dimensional stability, and multi-substrate adhesion.
Industrial and wholesale distributors face significant bottlenecks including shipping delays, compliance hurdles with local environmental laws (such as Europe's REACH or North America's EPA standards), and batch-to-batch inconsistency in foam yield and pressure. To mitigate these risks, sourcing departments look for vertically integrated suppliers in China who own their formulations, possess robust raw material storage capacities, and guarantee high-yield stability.
Based in Junan County, Linyi City, Shandong Province, China, Saiqiang is a leading adhesive manufacturer in Asia. We deliver innovative adhesive solutions to 62 countries worldwide, boasting a robust daily production capacity of 200,000 units. Driven by a steadfast commitment to strict quality management and environmental sustainability, Saiqiang has earned its reputation as a trusted partner across the construction, home decoration, and industrial sectors.
Shanghai Saiqiang Chemical Co., Ltd. was established in 2005, committed to silicone rubber, foam rubber research and development, production and sales; The production base is located in Sijing Industrial Park, Songjiang District, Shanghai, covering an area of more than 100 acres; The factory has 26 filling production lines, supporting a number of solid raw materials warehouse, packaging material warehouse, finished product warehouse; With an annual output of more than 50,000 tons, it is one of the large comprehensive adhesive production enterprises in China. Mainly produces silicone adhesive, structural adhesive, and PU expanding foam sealants.
Since its establishment, Saiqiang has been committed to the adhesive industry, meticulously focusing on the research and development, production and sales of adhesives. It adheres to the brand quality route, pursues excellence, and aims to enable more customers to use Saiqiang adhesives! In the future, Saiqiang will continue to adhere to the principle of "customer needs first", drive development through technological innovation, and continuously provide more professional and considerate services. We look forward to working hand in hand with you to create more glories together!
As an industry-leading adhesive and expanding foam manufacturer, Saiqiang operates advanced facilities in Shandong and Shanghai. Integrating Factory 4.0 principals, we utilize automated batch dosing systems, inline rheology controls, and custom-designed high-speed filling lines that dramatically reduce manual variability.
Our raw material warehouses are climate-controlled to prevent humidity contamination in PMDI and polyol chemical precursors, ensuring consistent shelf life. With raw material shortages affecting other areas of Asia, our strategic local partnerships with top-tier chemical refiners ensure zero downtime in production, providing global buyers with an uninterrupted supply chain.
Engineered options tailored for diverse building environments, climatic extremes, and specific density requirements.
Featuring exceptional weatherability, UV resistance, and joint movement capacity. Formulated for high-temperature glass curtain walls, window perimeters, and internal wet areas.
Highly efficient filling and insulation properties. Extensively utilized in construction, mechanical systems, thermal insulations, acoustic baffling, and utility pipeline sleeves.
A traceless load-bearing bonding agent that meets modern residential standards. Replaces traditional mechanical fasteners, preventing surface damage and enhancing structural aesthetic.
Value-added scientific services designed to lower costs, ensure compatibility, and drive market success.
Active transition to low-VOC raw materials. Dedication to producing sustainable, safe formulations for global construction projects.
All products are systematically tested against rigorous environmental thresholds to comply with EU and Asian entry parameters.
Enabling industrial buyers to conduct quality verification, expansion rate testing, and curing audits prior to ordering bulk volumes.
Leveraging modern lab technology to customized chemical traits including curing speed, density, expansion ratios, and flame retardancy.
Empowering localized sales teams and distributors with application guidelines, technical data sheets, and onsite installation support.
Assisting clients in preventing adhesion failures by pre-testing chemical reactions between our foam and their substrate materials.
Our products have successfully entered the markets of Europe, North America and Southeast Asia. Through localized warehousing and technical support teams, we ensure a rapid response to customer demands. Saiqiang continuously researches and develops low-carbon formulas, dedicated to providing safe and sustainable bonding technologies for its global partners.
Innovation-driven: Encourage employees to actively innovate and continuously develop new technologies and products.
Quality First: Always prioritize product quality, ensure stability and reliability, and provide customer-centric adhesive solutions.
Customer Orientation: Centered on customer needs, provide personalized services and support.
Teamwork: Emphasizing team spirit and collaborative awareness, encouraging employees to support each other.
Creating a new generation of healthy bathrooms and industrial products from the inside out to enhance quality of life.
Representing Chinese chemical engineering quality at global exhibitions.
Technical answers resolving high-intent queries regarding chemical characteristics, application requirements, and B2B orders.
Our standard single component polyurethane expanding foam features a maximum expansion ratio of 35 to 45 times its post-dispensed volume. The exact yield is dependent on environment variables such as atmospheric humidity and temperature. For custom OEM formulations, we can adjust expansion coefficients to prevent excessive deformation on delicate window frames.
We use specialized liquid-phase flame retardants blended uniformly within our polyol prepolymer mixtures. Our products undergo routine internal and third-party laboratory audits, conforming to GB 8624 standards in China and DIN 4102 criteria in Europe. This makes our flame-retardant foams ideal for high-risk applications like electrical ducting paths and fire door assemblies.
Yes. Our formulations are formulated to remain completely free of ozone-depleting substances, including CFCs and HCFCs. Standard products designed for European distribution strictly adhere to REACH chemical registration thresholds and RoHS directive restrictions. This compliance is verified by international certification agencies, as shown in our certificate directory.
We offer comprehensive OEM/ODM customization services. Supported by 26 automated filling lines, we handle customized aluminum or tinplate cans, variable aerosol valve modifications (gun versus straw type), and custom chemical formulation parameters. Our team also develops custom-engineered carton sizes and packaging configurations to streamline your sea logistics and retail display setups.
Polyurethane prepolymers rely on ambient and substrate moisture to initiate cross-linking chemical reactions. In dry regions, we recommend misting joints with water before application. This speeds up the curing cycle, prevents cellular collapse, and ensures a uniform micro-cellular foam structure.
Our Quality Assurance laboratory utilizes advanced analytical instrumentation, including Gas Chromatography-Mass Spectrometry (GC-MS) for VOC profiling, and universal tensile testers to evaluate bonding strengths across concrete, metal, timber, and PVC substrates.
We offer our global clients free testing services to verify compatibility, ensuring zero chemical degradation or loss of structural integrity over time. Contact our engineering team for a detailed sample analysis report.
Explore our full line of industrial sealants, chemical bonding compounds, and specialty expanding foams.
To ensure complete compatibility with established client bookmarks, the following links reference our primary catalog structures, packaging classifications, and design variants:
OEM / ODM 55 PU foam sealant
Polyurethane foam sealant
563 Versatile Weather Resistant Adhesive
998 Neutral Silicone Weather Resistant Adhesive
From residential bathroom installations to complex curtain wall assemblies, Saiqiang remains dedicated to delivering performance-tested adhesives and polyurethane sealants. Contact our technical support centers in Shanghai or Shandong to request custom technical assessments or to start a high-volume B2B contract order.
Saiqiang