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

Wacker ADVALON CI 40 Reactive Polysiloxane Emulsion

Wacker ADVALON CI 40 is a reactive polysiloxane emulsion from Wacker’s ADVALON series, designed for textile softening and durable hydrophobic finishing. It offers excellent compatibility with other auxiliaries, low yellowing, and stable emulsion performance under varying pH and electrolyte conditions—ideal for high-efficiency, eco-friendly fabric treatment processes.
  • wacker advalon ci 40 reactive polysiloxane emulsion_a74c404e
  • wacker advalon ci 40 reactive polysiloxane emulsion_a74c404e

Features Of Wacker ADVALON CI 40 Reactive Polysiloxane Emulsion

  1. Reactive vinyl-functional polysiloxane enabling covalent bonding with acrylic, styrene-acrylic, and polyurethane polymer backbones.

  2. Stable anionic O/W emulsion with excellent shelf life and freeze-thaw stability under recommended storage conditions.

  3. Enables significant improvement in water repellency, stain resistance, and surface slip without compromising film clarity or adhesion.

  4. Low VOC formulation compatible with regulatory requirements for architectural and industrial coatings.

  5. Designed for ambient-cure and low-bake systems, offering efficient crosslinking without requiring high-temperature activation.

Typical Applications Of Wacker ADVALON CI 40 Reactive Polysiloxane Emulsion

  1. High-performance architectural wall paints and façade coatings.

  2. Industrial maintenance coatings for metal and concrete substrates.

  3. Textile finishing agents for durable water- and oil-repellent treatments.

  4. Wood coatings requiring enhanced weather resistance and surface durability.

  5. Specialty paper and nonwoven coatings for improved release and hydrophobicity.

Specifications Of Wacker ADVALON CI 40 Reactive Polysiloxane Emulsion

Chemical TypeVinyl-functional reactive polysiloxane
Product FormAnionic oil-in-water (O/W) emulsion
AppearanceOpaque white to slightly bluish liquid
pH (at 25 °C)6.5 – 7.5
Solids Content (wt %)38 – 42
Viscosity (mPa·s, Brookfield RVT, #2 spindle, 20 rpm)150 – 500
Particle Size (D50, nm)80 – 150
Storage Stability (at 5–30 °C)≥ 6 months in sealed original container


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