Engineering Safety into the Molecular Fabric of Modern Construction
As a leading China Flame Retardant Polyurethane Supplier, Saiqiang Global has redefined the standards of passive fire protection. In the modern landscape of high-rise construction and industrial safety, flame-retardant (FR) polyurethane is no longer just an "option"—it is a critical compliance requirement. Our polyurethane solutions are engineered with advanced phosphorus-nitrogen synergistic flame retardants, ensuring that our foam and sealants achieve B1 and B2 fire ratings under international standards like DIN 4102 and EN 13501-1.
The "Information Gain" we provide to our partners lies in our ability to customize the char-forming capacity of our PU products. When exposed to high heat, our FR polyurethane expands to form a stable carbonaceous layer, effectively blocking the oxygen supply to the underlying material and preventing the spread of fire. This technical depth ensures that global enterprises sourcing from our factory receive more than just a sealant; they receive a life-saving barrier.
Fully compliant with REACH and RoHS regulations. Our products meet the stringent French A+ Indoor Air Safety Certification, ensuring safe application in European residential and commercial projects.
Holding ISO 9001:2015, ISO 14001, and ISO 45001. We provide CE certified bonding solutions that pass rigorous fire-resistance tests required by North American and Asian building codes.
We offer site-specific technical consultation and material compatibility testing, ensuring our flame retardant PU performs optimally under local climatic conditions, from humid Southeast Asia to freezing Northern Europe.
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 factory has 26 filling production lines, supporting a number of solid raw materials warehouse, packaging material warehouse, and finished product warehouse.
Leveraging China's dominant position in the global chemical supply chain, we secure high-grade MDI and polyols at competitive rates, passing the cost-benefit directly to our global procurement partners.
Our 26 filling lines allow for rapid switching between private label requirements and custom chemical formulations, accommodating both bulk industrial orders and specialized boutique needs.
With bases in Shandong and Shanghai, we utilize China's world-class port infrastructure to guarantee shorter lead times and optimized freight costs for international shipping.
| Property | Standard FR PU | Saiqiang High-Performance FR |
|---|---|---|
| Fire Class (DIN 4102) | B3 (Flammable) | B1 / B2 (Flame Retardant) |
| Expansion Ratio | 30-35 Times | 45-55 Times |
| Thermal Conductivity | 0.040 W/m·k | 0.032 W/m·k |
| Curing Time (Tack-free) | 15-20 mins | 8-12 mins |
| Temperature Resistance | -30°C to +80°C | -40°C to +100°C |
Sealing gaps between window frames and walls in high-rise buildings where fire-stop foam is legally mandated to prevent vertical fire spread.
High-efficiency thermal insulation combined with flame retardancy for cleanrooms, data centers, and industrial refrigeration units.
Vibration dampening and soundproofing for electric vehicles (EVs) where lightweight FR materials are crucial for battery safety compartments.
Rapid assembly of modular homes using our eco-friendly, fire-rated polyurethane adhesives for structural bonding.
The global adhesive market is shifting towards low-VOC and halogen-free flame retardants. As a forward-thinking factory, Saiqiang is investing in "Green Chemistry," replacing traditional halogenated paraffins with eco-friendly alternatives. Furthermore, the rise of "Smart Buildings" is driving the demand for polyurethane that provides not just fire resistance, but also integrated air-tightness to improve HVAC energy efficiency. Our R&D laboratory is currently focused on hybrid PU-silicone technologies that combine the high strength of polyurethane with the extreme UV resistance of silicone.
B1 refers to "difficult to ignite," which is the highest flame retardancy class for organic building materials. B2 is "normal flammability," which is self-extinguishing once the fire source is removed. Saiqiang provides both depending on your local building code requirements.
Yes. With 26 filling production lines and an in-house design team, we handle the entire process from chemical formulation and material compatibility testing to packaging design and logistics.
We use nitrogen-blanketed filling processes and high-barrier aluminum-plastic packaging to prevent moisture ingress, ensuring a shelf life of 9–12 months even through tropical shipping routes.
Absolutely. All our raw materials are pre-registered under REACH, and our finished products are regularly tested by third-party labs like SGS to ensure zero prohibited substances.
Saiqiang
