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

DOW DOWSIL BY22-818EX Emulsion

DOW DOWSIL BY22-818EX Emulsion is a high-performance silicone emulsion from Dow’s DOWSIL™ portfolio, designed for textile softening and hydrophobic finishing. It delivers excellent lubricity, smooth hand feel, and durable water repellency on fabrics. Compatible with various fiber types and easy to process in standard dyeing/finishing lines. Widely used in apparel, home textiles, and technical fabrics for enhanced comfort and functionality.
  • dow dowsil by22 818ex emulsion_50d0bd30
  • dow dowsil by22 818ex emulsion_50d0bd30

Features Of DOW DOWSIL BY22-818EX Emulsion

  1. High-solids, low-VOC silicone emulsion designed for enhanced film-forming performance.

  2. Excellent compatibility with acrylic, styrene-acrylic, and vinyl acetate-based polymer systems.

  3. Provides superior water repellency and surface hydrophobicity without compromising adhesion.

  4. Stable under neutral to mildly alkaline pH conditions (pH 6.5–8.5), supporting broad formulation flexibility.

  5. Enables improved mar resistance and scratch mitigation in architectural and industrial coatings.

Typical Applications Of DOW DOWSIL BY22-818EX Emulsion

  1. Exterior architectural coatings requiring durable water beading and dirt pickup resistance.

  2. Interior wall paints where low-odor, low-VOC performance and enhanced scrub resistance are critical.

  3. Industrial maintenance coatings for metal and masonry substrates exposed to humid environments.

  4. Textile finishing formulations seeking soft hand feel with durable water-repellent functionality.

Specifications Of DOW DOWSIL BY22-818EX Emulsion

Chemical TypeDimethyl silicone copolymer emulsion
Product FormWater-based anionic emulsion
AppearanceOpaque white liquid
Solids Content (wt%)30 ± 1%
pH (25°C)7.0 – 7.5
Viscosity (mPa·s, Brookfield RVT, Spindle #2, 20 rpm)50 – 150
Particle Size (D50, nm)150 – 250
Freeze-Thaw StabilityPasses 3-cycle test (−15°C/24 h → 25°C/24 h)


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