Polyurethane

    • Product Name: Polyurethane
    • Chemical Name (IUPAC): poly(oxycarbonyloxy-1,4-phenylenemethylene-1,4-phenylene)
    • CAS No.: 9009-54-5
    • Chemical Formula: (C₁₀H₈N₂O₂)_n
    • Form/Physical State: Liquid
    • Factroy Site: Yushan Island, Gaoting Town, Daishan County, Zhoushan City, Zhejiang Province
    • Price Inquiry: sales3@ascent-chem.com
    • Manufacturer: Zhejiang Petroleum & Chemical Co., Ltd.
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    Specifications

    HS Code

    675536

    Chemical Formula (C3H8N2O)n
    Appearance Can be solid or liquid, usually clear or colored
    Density 1.1-1.3 g/cm³
    Hardness Shore A 20 to Shore D 80
    Melting Point Variable, typically decomposes before melting
    Thermal Conductivity 0.022-0.03 W/(m·K)
    Water Absorption 0.3-1.0%
    Tensile Strength 10-60 MPa
    Elongation At Break 150-600%
    Flammability Combustible
    Uv Resistance Moderate (can degrade without stabilizers)
    Electrical Resistance 10^8 - 10^10 Ω·cm

    As an accredited Polyurethane factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Polyurethane is typically packaged in a 25 kg industrial-grade, sealed, moisture-resistant bag with printed safety and handling instructions.
    Container Loading (20′ FCL) Container Loading (20′ FCL) for Polyurethane: 80-120 drums, totaling 16-20 metric tons, packed securely to prevent leaks or contamination.
    Shipping Polyurethane should be shipped in tightly sealed containers, clearly labeled, and protected from moisture and direct sunlight. Transport in compliance with local, national, and international regulations. Ensure containers are upright and secure to prevent leaks or spills. Personal protective equipment may be required during handling to avoid inhalation or skin contact.
    Storage Polyurethane should be stored in tightly sealed containers, away from direct sunlight, heat sources, and moisture. Store in a cool, well-ventilated area, with temperatures typically between 15°C and 25°C (59°F and 77°F). Keep away from oxidizing agents, acids, and bases. Ensure proper labeling and protect from physical damage or ignition sources, as polyurethane can be flammable.
    Shelf Life Polyurethane typically has a shelf life of 6-12 months when stored unopened in cool, dry conditions away from sunlight and moisture.
    Application of Polyurethane

    Hardness: Polyurethane with a Shore A hardness of 90 is used in industrial conveyor belts, where it provides superior abrasion resistance and load-bearing capacity.

    Density: Polyurethane of 1.2 g/cm³ density is used in automotive bumper cores, where it ensures effective impact absorption and weight reduction.

    Elongation: Polyurethane with 500% elongation is used in flexible sealant formulations, where it allows for excellent stretching without cracking.

    Thermal Stability: Polyurethane with thermal stability up to 120°C is used in electrical cable insulation, where it maintains dielectric properties at elevated temperatures.

    Compression Set: Polyurethane with a compression set of 10% is used in gaskets for hydraulic systems, where it minimizes permanent deformation under pressure.

    Viscosity: Polyurethane with a viscosity of 2,000 mPa·s is used in spray foam insulation, where it achieves optimal flow and uniform coverage.

    Molecular Weight: Polyurethane with a molecular weight of 80,000 g/mol is used in rigid foam panels, where it delivers high structural strength and durability.

    Particle Size: Polyurethane of 50 µm particle size is used in powder coating applications, where it creates a smooth, consistent surface finish.

    Purity: Polyurethane with 99.5% purity is used in medical device coatings, where it ensures biocompatibility and reduces contamination risk.

    Tensile Strength: Polyurethane with tensile strength of 40 MPa is used in mining conveyor rollers, where it offers enhanced mechanical durability and longevity.

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    Competitive Polyurethane prices that fit your budget—flexible terms and customized quotes for every order.

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