Products Resin Desmodur-Ultra-N-3689-Sn-Polyisocyanate-Crosslinker

Desmodur ultra N 3689 SN Polyisocyanate Crosslinker

    • Product Name: Desmodur ultra N 3689 SN Polyisocyanate Crosslinker
    • Chemical Name (IUPAC): Hexamethylene diisocyanate, oligomers
    • 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 615474
    Product Name Desmodur ultra N 3689 SN
    Chemical Type Polyisocyanate Crosslinker
    Appearance Clear, colorless to pale yellow liquid
    Isocyanate Content Approximately 19.7% (NCO)
    Viscosity 23c 1200 mPa·s
    Density 20c 1.16 g/cm³
    Flash Point Approximately 48°C
    Solvent Ethyl acetate
    Equivalent Weight Nco 213 g/mol
    Storage Temperature 5°C to 30°C
    Recommended Use Crosslinker for polyurethane coatings
    Shelf Life 6 months

    As an accredited Desmodur ultra N 3689 SN Polyisocyanate Crosslinker factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Desmodur ultra N 3689 SN Polyisocyanate Crosslinker is packaged in 25 kg steel drums, labeled with product and hazard information.
    Container Loading (20′ FCL) Container Loading (20′ FCL): 80 drums (225 kg each) per 20-foot container, with a total net weight of 18,000 kg.
    Shipping **Shipping Description for Desmodur® ultra N 3689 SN Polyisocyanate Crosslinker:** Desmodur® ultra N 3689 SN Polyisocyanate Crosslinker is shipped in tightly sealed, chemical-resistant containers. The material requires storage in cool, dry, well-ventilated areas away from moisture and incompatible substances. Handle as a hazardous chemical, following all safety protocols and regulations for isocyanates during transportation and storage.
    Storage Store Desmodur ultra N 3689 SN Polyisocyanate Crosslinker in tightly sealed containers in a cool, dry, and well-ventilated area, away from moisture, acids, amines, and direct sunlight. Protect from sources of heat and ignition. Maintain storage temperatures between 5°C and 30°C. Keep away from incompatible materials, and ensure proper labeling and access for authorized personnel only.
    Shelf Life Desmodur ultra N 3689 SN Polyisocyanate Crosslinker has a shelf life of 12 months if stored in tightly sealed, original containers.
    Application of Desmodur ultra N 3689 SN Polyisocyanate Crosslinker
    Purity 99%: Desmodur ultra N 3689 SN Polyisocyanate Crosslinker with purity 99% is used in automotive OEM coatings, where it ensures high gloss retention and superior chemical resistance.Viscosity 200 mPa·s: Desmodur ultra N 3689 SN Polyisocyanate Crosslinker at viscosity 200 mPa·s is used in wood finishes, where it provides excellent flow characteristics and smooth surface appearance.NCO Content 23%: Desmodur ultra N 3689 SN Polyisocyanate Crosslinker with NCO content 23% is used in industrial metal coatings, where it enables rapid curing and enhanced mechanical strength.Stability Temperature 50°C: Desmodur ultra N 3689 SN Polyisocyanate Crosslinker with stability temperature 50°C is used in high-performance plastic coatings, where it maintains formulation integrity during storage and processing.Low Monomer Content <0.1%: Desmodur ultra N 3689 SN Polyisocyanate Crosslinker with low monomer content <0.1% is used in protective architectural coatings, where it minimizes VOC emissions and improves user safety.Clear Liquid State: Desmodur ultra N 3689 SN Polyisocyanate Crosslinker in clear liquid state is used in transparent polyurethane topcoats, where it ensures clarity and UV resistance.
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    For samples, pricing, or more information, please contact us at +8615651039172 or mail to sales9@bouling-chem.com.

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    Tel: +8615651039172

    Email: sales9@bouling-chem.com

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