Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Defom 5500 Defoamer

Defom 5500 is a solvent-based defoamer specialized for solvent coatings, with a focus on polyurethane systems. It effectively inhibits and eliminates foam produced during coating manufacturing, mixing, and application, ensuring smooth, defect-free results in processes like curtain coating, roller coating, and dip-coating.

Product Information of Defom 5500 Defoamer

  1. Solvent-based, specifically designed for solvent coatings, with particular suitability for polyurethane systems.

  2. Excels in inhibiting and eliminating foam generated during manufacturing, mixing, and application stages.

  3. Effectively controls bubbles in thick-film polyurethane coatings to boost film quality.

  4. Addresses foam from chemical reactions (e.g., carbon dioxide release) in two-component polyurethane systems.

  5. Prevents surface flaws such as fish-eyes, pinholes, and craters in topcoats and clearcoats

Areas of Application of Defom 5500 Defoamer

  1. Ideal for polyurethane coatings, especially thick-film types.

  2. Suitable for coating processes including curtain coating, roller coating, and dip-coating.

  3. Applied in two-component polyurethane systems to manage reaction-caused foam.

  4. Used in topcoats and clearcoats to maintain defect-free surfaces.

Specifications Of Defom 5800FDefoamer

  • Chemical Composition
    Modified polysiloxane
    Physical Form
    Colorless to slightly yellow clear liquid
    Non-Volatile Content (%)
    1.3–1.5%
    Specific Gravity
    0.850–0.875
    Refractive Index (25℃)
    1.493–1.503
    Solvent
    Aromatic hydrocarbon solvents
    Key Applications
    Polyurethane coatings, solvent 型 paints, curtain/roller coating processes, two-component systems, topcoats/clearcoats.
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