Desmodur VKS 20 F Polyisocyanate Crosslinker

    • Product Name: Desmodur VKS 20 F Polyisocyanate Crosslinker
    • Chemical Name (IUPAC): Poly[oxy(methyl-1,2-ethanediyl)], α-hydro-ω-hydroxy-, polymer with 1,1'-methylenebis[4-isocyanatobenzene]
    • CAS No.: 4098-71-9
    • Chemical Formula: NCO-(C₆H₄-CH(CH₃)-NCO)ₙ
    • 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

    404405

    Product Name Desmodur VKS 20 F Polyisocyanate Crosslinker
    Chemical Type Aromatic Polyisocyanate
    Appearance Clear to slightly hazy, yellow liquid
    Isocyanate Content 10.5-11.5%
    Viscosity 25c 25-40 mPa·s
    Density 20c 1.04 g/cm³
    Nco Equivalent Weight 390 g/mol
    Solvent Content Ethyl acetate
    Flash Point 23°C (closed cup)
    Application Crosslinker for adhesives and coatings
    Recommended Storage Temperature 5-25°C
    Shelf Life 6 months
    Hydrolysable Chlorine <0.1%
    Color Value Hazen <70
    Voc Content 610 g/L

    As an accredited Desmodur VKS 20 F Polyisocyanate Crosslinker factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Desmodur VKS 20 F Polyisocyanate Crosslinker is packaged in a 25 kg metal drum with secure lid, labeled for industrial use.
    Container Loading (20′ FCL) 20′ FCL: Desmodur VKS 20 F Polyisocyanate Crosslinker shipped in 20-foot container, typically in 200kg steel drums, fully palletized.
    Shipping Desmodur VKS 20 F Polyisocyanate Crosslinker is shipped in tightly sealed, moisture-proof containers to prevent contamination and reaction with humidity. Classified as hazardous, it requires proper labeling and transport in compliance with relevant ADR, IMDG, and IATA regulations. Handle with care, ensuring use of appropriate protective equipment during loading and unloading.
    Storage Desmodur VKS 20 F Polyisocyanate Crosslinker should be stored in tightly closed containers, in a cool, dry, and well-ventilated area. Protect from moisture, heat, and direct sunlight. Keep away from sources of ignition and incompatible materials such as alcohols, amines, and strong bases. Store at temperatures between 5°C and 30°C, and always follow manufacturer’s instructions for safe storage.
    Shelf Life Desmodur VKS 20 F Polyisocyanate Crosslinker has a shelf life of 6 months when stored in tightly sealed original containers.
    Application of Desmodur VKS 20 F Polyisocyanate Crosslinker

    Purity 99%: Desmodur VKS 20 F Polyisocyanate Crosslinker with purity 99% is used in automotive coatings, where it ensures superior crosslinking density and enhanced chemical resistance.

    Viscosity Grade Low: Desmodur VKS 20 F Polyisocyanate Crosslinker of low viscosity grade is used in textile finishing, where it provides optimal substrate penetration and uniform film formation.

    Molecular Weight 450 g/mol: Desmodur VKS 20 F Polyisocyanate Crosslinker with molecular weight of 450 g/mol is used in flexible packaging adhesives, where it improves adhesive strength and durability.

    Stability Temperature 50°C: Desmodur VKS 20 F Polyisocyanate Crosslinker stable up to 50°C is used in industrial flooring systems, where it maintains crosslinking efficacy during high-temperature curing.

    Color Index Low: Desmodur VKS 20 F Polyisocyanate Crosslinker with low color index is used in clear wood coatings, where it preserves substrate transparency and final finish clarity.

    Free Monomer Content <0.5%: Desmodur VKS 20 F Polyisocyanate Crosslinker with free monomer content below 0.5% is used in food contact adhesives, where it ensures compliance with regulatory safety standards.

    Hydrolysis Resistance: Desmodur VKS 20 F Polyisocyanate Crosslinker with enhanced hydrolysis resistance is used in outdoor protective paints, where it delivers long-term weatherability and coating lifespan.

    Shelf Life 12 Months: Desmodur VKS 20 F Polyisocyanate Crosslinker with a shelf life of 12 months is used in sealant formulations, where it provides consistent reactivity and storage stability.

    Solubility High: Desmodur VKS 20 F Polyisocyanate Crosslinker with high solubility is used in two-component polyurethane systems, where it enables homogeneous mixing and efficient processing.

    Particle Size Fine: Desmodur VKS 20 F Polyisocyanate Crosslinker with fine particle size is used in waterborne coatings, where it enhances dispersion stability and application smoothness.

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    Email: sales9@bouling-chem.com

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    Certification & Compliance