Defoamers

    • Product Name: Defoamers
    • Chemical Name (IUPAC): Polydimethylsiloxane
    • CAS No.: 9003-13-8
    • Chemical Formula: Varies (commonly polydimethylsiloxane: (C2H6OSi)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

    547045

    Product Name Defoamers
    Chemical Type Surface-active agents
    Physical State Liquid or powder
    Appearance White or off-white
    Solubility Insoluble or partially soluble in water
    Primary Function Foam reduction and suppression
    Ph Range Typically 5-9
    Application Industry Wastewater treatment, paper & pulp, paints & coatings
    Active Ingredient Content 10-60%
    Temperature Stability Stable up to 80°C
    Viscosity 100-4000 cP
    Density 0.85-1.05 g/cm³
    Recommended Dosage 10-1000 ppm
    Storage Conditions Cool, dry place, away from direct sunlight
    Shelf Life 6-24 months

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

    Packing & Storage
    Packing Defoamers are typically packaged in 25-liter high-density polyethylene drums, clearly labeled with product name, safety warnings, and handling instructions.
    Container Loading (20′ FCL) A 20′ FCL (Full Container Load) for Defoamers typically holds about 16-18 metric tons, securely packaged in drums or IBCs.
    Shipping Defoamers are typically shipped in sealed, labeled containers such as drums or totes, offering protection from moisture and contamination. They should be stored and transported upright in cool, dry conditions, away from direct sunlight and incompatible materials. Ensure compliance with all applicable regulations and safety guidelines during shipping and handling.
    Storage Defoamers should be stored in tightly sealed containers, away from direct sunlight, heat sources, and incompatible chemicals. Keep them in a cool, dry, well-ventilated area to prevent contamination and degradation. Avoid freezing temperatures and protect from moisture ingress. Clearly label containers and ensure appropriate spill containment measures are in place. Follow the manufacturer's storage recommendations for optimal shelf life and safety.
    Shelf Life Defoamers typically have a shelf life of 12–24 months when stored in unopened, original containers under cool, dry conditions.
    Application of Defoamers

    Viscosity grade: Defoamers with low viscosity grade are used in high-speed bottling operations, where rapid foam collapse ensures uninterrupted filling and packaging.

    Particle size: Defoamers with fine particle size are used in latex paint production, where uniform dispersion prevents surface defects and pinholes.

    Purity 99%: Defoamers with purity 99% are used in pharmaceutical fermentation, where high-purity agents guarantee product safety and prevent cross-contamination.

    Stability temperature 120°C: Defoamers with stability temperature of 120°C are used in pulp and paper manufacturing, where thermal resistance maintains defoaming performance during steaming.

    Molecular weight 1500 Da: Defoamers with molecular weight 1500 Da are used in oil extraction processes, where optimal molecular structure enables rapid foam reduction without residue.

    Melting point 35°C: Defoamers with melting point 35°C are used in textile dye baths, where controlled melting facilitates even distribution and efficient foam suppression.

    Solubility in water 5 g/L: Defoamers with water solubility of 5 g/L are used in water treatment plants, where effective dilution leads to consistent anti-foaming action in aeration tanks.

    pH range 5-9: Defoamers with pH range 5-9 are used in food processing, where stable performance across various acidity levels ensures food safety and quality.

    Surface tension reduction 35 dyn/cm: Defoamers with surface tension reduction of 35 dyn/cm are used in metal cleaning operations, where lowered surface tension accelerates bubble breakdown and improves rinsing efficiency.

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