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

Dowsil 62 Defoamer

DOWSIL 62 Additive is a water-based silicone defoamer engineered for inks and coatings, leveraging polyether modification technology for efficient foam control and long-term stability. With 57% active content, it rapidly eliminates micron-sized bubbles across pH 2–12, reduces dynamic surface tension to 25.2 dyn/cm, and boosts leveling and gloss by +15%. It maintains performance under high temperatures (≤150°C) and shear, minimizing pinholes and craters. FDA-compliant (21 CFR 175.105/176.210), it suits eco-sensitive uses like food packaging inks, while meeting strict standards (APEO-free, VOC<50g/L, REACH/China GB 24408 compliant).

Product Information of Dowsil 62 Defoamer

  1. High-Efficiency Defoaming: 2000 mPa·s viscosity optimizes bubble rupture in high-solids systems (e.g., printing pastes).

  2. Strong Compatibility: Works with acrylic/PU resins without impacting recoatability.

  3. Eco-Safety: APEO-free, VOC<50g/L; compliant with REACH and China GB 24408.

  4. Long Shelf Life: 540-day stability when stored at 4–50°C.

  5. Cost-Effective: Effective at 0.05%–0.5% dosage, lowering operational costs.

Areas of Application of Dowsil 62 Defoamer

  1. Printing Inks: Reduces streaks in flexo/gravure inks and speeds up drying.

  2. Industrial Coatings: Enhances scratch resistance in coil/auto OEM paints.

  3. Wood Coatings: Improves clarity in waterborne UV primers.

  4. Food Packaging: FDA-compliant for safe ink formulations.

Specifications Of Dowsil 62 Defoamer

Type
Polyether-modified silicone defoamer
Appearance
Milky liquid
Active Content
57%
Viscosity (25°C)
2000 mPa·s
Dynamic Surface Tension
25.2 dyn/cm (0.5% solution)
pH Value
7.4
Flash Point
>101℃
Recommended Dosage
0.05%-0.5% (on total formulation)
Packaging
25kg/drum or 200kg/IBC


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