Products Resin Desmodur-N-75-Ba-Polyisocyanate-Crosslinker

Desmodur N 75 BA Polyisocyanate Crosslinker

    • Product Name: Desmodur N 75 BA Polyisocyanate Crosslinker
    • Chemical Name (IUPAC): Hexane, 1,6-diisocyanato-, homopolymer
    • CAS No.: 4098-71-9
    • Chemical Formula: HDI trimer
    • Form/Physical State: Liquid
    • Factroy Site: West Ujimqin Banner, Xilingol League, Inner Mongolia, China
    • Price Inquiry: sales9@bouling-chem.com
    • Manufacturer: Bouling Coating
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    Specifications
    HS Code 965916
    Product Name Desmodur N 75 BA Polyisocyanate Crosslinker
    Chemical Type Aliphatic polyisocyanate (HDI trimer)
    Appearance Clear to slightly yellow liquid
    Non Volatiles Content 75% by weight
    Solvent n-butyl acetate
    Viscosity 23c 800 mPa·s (approximate)
    Nco Content 16.5% (approximate)
    Density 20c 1.07 g/cm³
    Flash Point 27°C (closed cup, for solvent mixture)
    Recommended Storage Temperature 5°C to 25°C
    Recommended Use Crosslinker for polyurethane coatings
    Mixing Ratio With Polyol Typically 1:2 to 1:3 by weight (NCO:OH equivalent ratio: 1:1)
    Pot Life Dependent on formulation, generally a few hours
    Shelf Life 12 months (in original sealed container)

    As an accredited Desmodur N 75 BA Polyisocyanate Crosslinker factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Desmodur N 75 BA Polyisocyanate Crosslinker is packaged in 20 kg metal drums, featuring hazard labeling and secure, airtight sealing.
    Container Loading (20′ FCL) Container Loading (20′ FCL): 80 drums per container, each drum contains 225 kg; total net weight per 20′ FCL is 18,000 kg.
    Shipping Desmodur N 75 BA Polyisocyanate Crosslinker is shipped in tightly sealed metal drums or containers to prevent moisture ingress and contamination. It is classified as a hazardous material (UN 1866, Class 3, Flammable Liquid) and should be transported in accordance with local, national, and international dangerous goods regulations.
    Storage Desmodur N 75 BA Polyisocyanate Crosslinker should be stored in tightly sealed original containers in a cool, dry, and well-ventilated area, away from heat, moisture, and direct sunlight. Prevent contact with water and alcohols. Storage temperatures should ideally be between 5°C and 30°C. Keep away from incompatible substances, such as strong bases and acids, to avoid hazardous reactions.
    Shelf Life Desmodur N 75 BA polyisocyanate has a shelf life of 6 months when stored in tightly sealed, original containers at recommended conditions.
    Application of Desmodur N 75 BA Polyisocyanate Crosslinker
    Viscosity: Desmodur N 75 BA Polyisocyanate Crosslinker with a viscosity of 1300 mPa·s is used in high-performance automotive coatings, where it ensures smooth application and optimal film formation. NCO Content: Desmodur N 75 BA Polyisocyanate Crosslinker with 16.5% NCO content is used in industrial wood finishes, where it achieves superior crosslinking density and enhanced surface hardness. Solvent Compatibility: Desmodur N 75 BA Polyisocyanate Crosslinker with butyl acetate compatibility is used in solventborne polyurethane systems, where it delivers excellent dispersion and stable pot life. Purity: Desmodur N 75 BA Polyisocyanate Crosslinker with >98% purity is used in protective marine coatings, where it provides high chemical resistance and long-term durability. Stability Temperature: Desmodur N 75 BA Polyisocyanate Crosslinker stable up to 40°C is used in aerospace coating applications, where it maintains reactivity and storage stability under variable conditions. Molecular Weight: Desmodur N 75 BA Polyisocyanate Crosslinker with an average molecular weight of 750 g/mol is used in flexible adhesive formulations, where it offers balanced flexibility and tensile strength. Color Value: Desmodur N 75 BA Polyisocyanate Crosslinker with a color value of <40 APHA is used in clear topcoat applications, where it enables high clarity and minimal discoloration upon curing. Flash Point: Desmodur N 75 BA Polyisocyanate Crosslinker with a flash point of 27°C is used in spray-applied industrial sealants, where it supports safe handling and processing.
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