The global high-density rigid polyurethane (PU) foam market is currently witnessing a significant surge, projected to grow at a CAGR of 6.5% through 2030. As industries pivot towards energy efficiency and carbon neutrality, rigid PU foam has emerged as the gold standard for thermal insulation. China, as a global manufacturing powerhouse, accounts for over 40% of the world's production capacity, with factories like Saiqiang leading the charge in innovation and scale.
Rigid PU foam is characterized by its high strength-to-weight ratio and exceptional closed-cell structure (usually >90%). This structure prevents moisture ingress and air infiltration, making it indispensable for LNG storage, cold chain logistics, and high-performance building envelopes. High-density variants (ranging from 40kg/m³ to 100kg/m³+) provide the structural rigidity required for load-bearing applications in aerospace and automotive sectors.
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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.
The shift from HFCs to HFO (Hydrofluoroolefins) blowing agents is the primary trend. Saiqiang is at the forefront of this transition, producing foams with near-zero Global Warming Potential (GWP) and zero Ozone Depletion Potential (ODP).
Modern "Passive House" standards require seamless insulation. Our high-density rigid PU foams are increasingly used in prefabricated sandwich panels, reducing site labor while maximizing R-value performance.
Safety is paramount. The integration of halogen-free flame retardants ensures our foam meets Class B1/B2 fire ratings according to EN 13501-1 standards, ensuring compliance in high-rise developments.
In high-humidity tropical climates, maintaining thermal integrity is critical. Our high-density rigid foam provides the structural core for refrigerated trucks and walk-in coolers, preventing energy loss and food spoilage.
Pre-insulated pipe-in-pipe systems utilize our rigid PU foam for urban heating networks. The high compressive strength ensures the foam remains intact under significant soil pressure and thermal expansion cycles.
At cryogenic temperatures (-162°C), insulation must be flawless. Our factory-grade rigid foam formulations are engineered to withstand extreme thermal gradients without cracking or losing adhesion.
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.
Silicone sealant with strong weather resistance suitable for curtain walls, doors and Windows, and high-temperature scenarios.
Polyurethane foam adhesive providing highly efficient filling and insulation, widely used in construction and pipeline engineering.
Eco-friendly nail-free adhesive offering a traceless load-bearing solution that meets the needs of modern sustainable homes.
Innovation-driven R&D
Quality First Principle
Customer Orientation
Teamwork & Synergy
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.
High-density rigid PU foam offers superior R-value per inch, higher compressive strength for structural support, and acts as an air and vapor barrier. This eliminates the need for multiple layers of different materials, simplifying construction and enhancing longevity.
Our formulations undergo rigorous aging tests and thermal cycling. We use advanced stabilizers that prevent cell degradation in temperatures ranging from -180°C (Cryogenic) to +120°C (Industrial Steam Piping).
Yes, our products carry CE certification (EN 15651), ISO 9001:2015, and meet the stringent French A+ VOC standards, ensuring they are safe for both industrial exterior use and indoor air quality.
Absolutely. As a direct factory, we offer OEM/ODM services to adjust foam density (up to 120kg/m³) and fire ratings (B1/B2/B3) to meet specific project specifications.
Green Manufacturing
REACH Certified
Free Samples
Joint R&D Lab
Technology Empowerment