TRIXENE SC 7931 Blocked Polyisocyanate Curing Agent

    • Product Name: TRIXENE SC 7931 Blocked Polyisocyanate Curing Agent
    • Chemical Name (IUPAC): Triphenylmethane-4,4',4''-triisocyanate
    • CAS No.: 85187-06-2
    • Chemical Formula: C₁₈H₂₄N₂O₅
    • 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

    226685

    Product Name TRIXENE SC 7931 Blocked Polyisocyanate Curing Agent
    Chemical Type Blocked aliphatic polyisocyanate
    Form Liquid
    Color Clear to pale yellow
    Viscosity 25c Mpa S 6000-12000
    Non Volatile Content Percent 75-77
    Blocked Nco Content Percent 6.8-7.8
    Density 20c G Ml 1.13
    Recommended Curing Temperature C 140-180
    Solubility Soluble in most organic solvents
    Storage Stability Months 12
    Application Crosslinking agent for stoving coatings
    Typical Use Automotive, general industrial coatings

    As an accredited TRIXENE SC 7931 Blocked Polyisocyanate Curing Agent factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing TRIXENE SC 7931 is typically supplied in 200 kg net weight steel drums, featuring secure closure and detailed hazard labeling for safety.
    Container Loading (20′ FCL) Container Loading (20′ FCL): 16 metric tons (drums) or 21 metric tons (IBC), securely packed, suitable for international shipping of TRIXENE SC 7931.
    Shipping **TRIXENE SC 7931 Blocked Polyisocyanate Curing Agent** is shipped in sealed, UN-approved drums or containers, clearly labeled according to relevant hazardous material regulations. The product should be handled and transported upright, protected from moisture and extreme temperatures. Ensure compliance with local transportation legislation and safety data sheet (SDS) recommendations during shipping.
    Storage TRIXENE SC 7931 Blocked Polyisocyanate Curing Agent should be stored in tightly sealed original containers, in a cool, dry, and well-ventilated area away from direct sunlight, moisture, heat sources, and incompatible materials such as strong acids and bases. Ideal storage temperatures are typically between 5°C and 30°C to maintain product stability and prevent premature curing or degradation.
    Shelf Life TRIXENE SC 7931 has a shelf life of 12 months when stored in unopened containers at 5–30°C, away from moisture.
    Application of TRIXENE SC 7931 Blocked Polyisocyanate Curing Agent

    Purity 99%: TRIXENE SC 7931 Blocked Polyisocyanate Curing Agent with 99% purity is used in automotive OEM coatings, where it delivers enhanced film clarity and minimizes side reactions.

    Viscosity 3200 mPa·s: TRIXENE SC 7931 Blocked Polyisocyanate Curing Agent of 3200 mPa·s viscosity grade is used in wood flooring finishes, where it provides optimal levelling and application stability.

    Blocked Isocyanate Content 18%: TRIXENE SC 7931 Blocked Polyisocyanate Curing Agent with 18% blocked isocyanate content is used in textile coatings, where it ensures superior crosslinking density and flexible adhesion.

    Melting Point 65°C: TRIXENE SC 7931 Blocked Polyisocyanate Curing Agent featuring a 65°C melting point is used in coil coating applications, where it allows for controlled activation and thermal curing efficiency.

    Stability Temperature 40°C: TRIXENE SC 7931 Blocked Polyisocyanate Curing Agent with 40°C stability temperature is used in high-performance adhesives, where it maintains shelf-life and prevents premature curing.

    Low Free Isocyanate <0.2%: TRIXENE SC 7931 Blocked Polyisocyanate Curing Agent with less than 0.2% free isocyanate is used in sensitive electronic encapsulation, where it reduces toxic emissions and ensures application safety.

    Molecular Weight 1200 g/mol: TRIXENE SC 7931 Blocked Polyisocyanate Curing Agent of 1200 g/mol molecular weight is used in industrial maintenance coatings, where it imparts improved chemical resistance and durability.

    Particle Size <5 µm: TRIXENE SC 7931 Blocked Polyisocyanate Curing Agent with particle size less than 5 µm is used in powder coatings, where it ensures uniform dispersion and smooth surface finish.

    Hydrolytic Stability: TRIXENE SC 7931 Blocked Polyisocyanate Curing Agent with high hydrolytic stability is used in exterior architectural coatings, where it prolongs weatherability and coating integrity.

    Storage Stability 12 months: TRIXENE SC 7931 Blocked Polyisocyanate Curing Agent with 12 months storage stability is used in pre-assembled coating systems, where it facilitates logistics and reduces product waste.

    Free Quote

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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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    Certification & Compliance