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Polyisobutylene

    Specifications

    HS Code

    695218

    Chemicalname Polyisobutylene
    Casnumber 9003-27-4
    Molecularformula (C4H8)n
    Molarmass Variable (depends on polymerization degree)
    Appearance Colorless to light yellow, rubbery solid
    Density 0.91-0.92 g/cm³
    Meltingpoint -70 to -45 °C
    Boilingpoint Decomposes before boiling
    Solubilityinwater Insoluble
    Glasstransitiontemperature -70 °C
    Vaporpressure Negligible
    Odor Odorless
    Refractiveindex 1.504
    Viscosity Varies with molecular weight, typically very high

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

    Packing & Storage
    Packing Polyisobutylene is packaged in 25 kg tightly sealed, blue HDPE drums with clear labeling, batch number, and safety instructions provided.
    Storage Polyisobutylene should be stored in a cool, dry, well-ventilated area away from heat, sparks, and open flames. Keep containers tightly closed and protected from physical damage. Store away from strong oxidizing agents and direct sunlight. Use appropriate storage drums or tanks, making sure they are clearly labeled. Always follow local regulations and safety data sheet recommendations for safe storage.
    Shipping Polyisobutylene is shipped in airtight, sealed drums or containers made of steel or plastic to prevent contamination and evaporation. It should be stored and transported in a cool, dry area, away from heat and open flames. Proper labeling, handling equipment, and compliance with local regulations ensure safe shipping.
    Free Quote

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

    For samples, pricing, or more information, please call us at +8615651039172 or mail to sales9@alchemist-chem.com.

    We will respond to you as soon as possible.

    Tel: +8615651039172

    Email: sales9@alchemist-chem.com