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NXF-400; XF-3152; XF-2006; XF-3153;XF-335F, XF-315G, XF-300W;
Polyester polyol-based rigid polyurethane (PU) spray foam offers high mechanical strength, chemical resistance, and thermal stability, making it suitable for demanding applications like cold storage, industrial insulation, and structural reinforcement. By utilizing a scientifically balanced ratio of aromatic and aliphatic chemical structures, the raw material delivers exceptional durability under severe environmental stress. When processed through commercial spraying equipment, it reacts rapidly to form a dense, uniform micro-cellular matrix. This structure provides outstanding thermal stability and insulation values, significantly reducing energy consumption for industrial facilities. Below is a detailed guide on its properties, applications, and spraying process.
The resulting rigid foam exhibits superior thermal resistance, effectively locking out ambient temperature fluctuations. Furthermore, the formulation incorporates advanced fire-retardant chemistry. When applied correctly, the finished foam supports compliance with stringent fire safety regulations, including achieving ratings comparable to ASTM E84 Class 1. This ensures that the insulation not only regulates temperature but also provides a critical passive fire barrier for commercial structures.
During application, operators will notice the excellent compatibility with various blowing agents, smooth leveling characteristics, and a controlled, low-exothermic reaction profile. This ensures consistent spraying and optimal adhesion even in complex geometric spaces. Additionally, the formulation utilizes a high percentage of renewable, eco-friendly raw materials. This sustainable approach helps facilities reduce their overall carbon footprint and easily meet the compliance requirements of modern green building certifications.
Cold Storage & Freezers (especially ultra-low temp. environments): Specifically formulated for these demanding conditions, the rigid foam maintains its structural integrity without becoming brittle. It effectively eliminates thermal bridging in commercial freezing units, ensuring consistent internal climates and reducing compressor workloads.
Industrial Tanks & Pipelines (chemical/thermal insulation): The high chemical resistance of the polyester polyol makes it an ideal insulation layer for petrochemical storage and fluid transport networks. It wraps tightly around cylindrical and irregular surfaces, preventing heat loss or gain while shielding metal substrates from external corrosive elements.
Marine & Transportation (ship hulls, refrigerated trucks): Applied to vessel interiors and transport vehicles, the lightweight yet dense foam adds minimal weight. It dampens acoustic vibrations, prevents condensation buildup in high-humidity marine environments, and ensures perishable goods remain at precise temperatures during transit.
Structural Reinforcement (where high strength is needed): In scenarios requiring enhanced load-bearing capabilities, the scientifically proportioned mechanical strength of the cured foam acts as a stabilizing core. It bonds tenaciously to various substrates, including concrete, steel, and wood, fortifying the overall architectural envelope against wind uplift and mechanical stress.
To ensure consistent performance across diverse spraying environments, each batch of our polyester polyol undergoes rigorous analytical testing before dispatch. The precise control of the hydroxyl value ensures predictable reactivity and cross-linking density, which directly translates to the final foam's compressive strength and dimensional stability. A strictly maintained low moisture content prevents unwanted side reactions during the exothermic foaming process, effectively eliminating the risk of internal voids, surface blistering, or delamination from the substrate. Furthermore, the optimized viscosity profile at 25℃ guarantees smooth pumping, accurate metering, and excellent atomization through standard commercial proportioner equipment, reducing wear on machinery. Below is the detailed technical data sheet outlining the specific chemical metrics for our available product models.
| Product Model | Hydroxyl value (mgKOH/g) | Acid Value (mgKOH/g) | Moisture (%) | Viscosity (CPS 25℃) |
| NXF-400 | 400±20 | ≤2.0 | ≤0.15 | 3000±1000 |
| XF-3152 | 315±15 | ≤2.0 | ≤0.1 | 3000±500 |
| XF-2006 | 170±10 | ≤0.5 | ≤0.1 | 1500±500 |
| XF-3153 | 315±15 | ≤2.0 | ≤0.1 | 1800±500 |
| XF-335F | 335±15 | ≤2.0 | ≤0.1 | 3000±500 |
| XF-315G | 315±15 | ≤2.0 | ≤0.1 | 3000±500 |
| XF-300W | 315±15 | ≤1.5 | ≤0.1 | 2000±500 |
To preserve the chemical integrity and reactivity of the polyester polyol during transit, it is packed in 200 liter iron drum, net weight 225kg. These heavy-duty metallic containers are specifically engineered to withstand the rigors of long-distance logistics and heavy industrial handling. Each drum features a reinforced structural chime and a secure, airtight sealing mechanism that completely isolates the internal liquid from ambient atmospheric moisture and potential contaminants. The interior of the drum is treated to prevent any chemical interaction with the polyol, ensuring the liquid remains pure and ready for immediate processing upon arrival. For large-scale procurement and facility storage, the standardized drum dimensions allow for efficient palletizing, secure strapping, and streamlined forklift movement within warehouses and directly on active construction sites.
Proper environmental management is critical to maintaining the optimal performance and shelf life of the chemical formulation. Please store in a cool, ventilated place, ideally maintaining an ambient temperature between 15℃ and 25℃ (59℉ to 77℉). Direct exposure to harsh sunlight, localized heat sources, or freezing conditions must be strictly avoided, as extreme thermal fluctuations can alter the viscosity and reactivity of the material. The storage facility should be equipped with adequate air circulation to prevent the accumulation of any incidental vapors. Ensure that all drum closures remain tightly sealed when not in active use to block moisture ingress, which can severely degrade the foaming agent compatibility. When stored under these recommended, controlled conditions in its original, unopened packaging, the product will maintain its specified chemical properties for an extended operational window.
Recognizing that every insulation project and manufacturing facility operates under unique conditions, we provide comprehensive formulation screening and process optimization services. Our technical specialists collaborate closely with procurement teams and site engineers to match the specific polyester polyol chemistry with your existing proportioning equipment and environmental variables.
Whether you require adjustments to the reactivity profile for varying seasonal temperatures, or specific density modifications for specialized structural applications, our laboratory is equipped to fine-tune the material properties. By engaging in rigorous pilot testing and on-site application trials, we ensure that the transition from raw material to fully cured rigid foam is smooth, highly efficient, and perfectly aligned with your project's performance criteria.
