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

Wacker WACKER GM 191 Silicone Emulsion

Wacker WACKER GM 191 Silicone Emulsion is a stable, anionic, water-based silicone dispersion designed for textile softening and hydrophobic finishing. It delivers excellent lubricity, smoothness, and durable water repellency on natural and synthetic fibers without impairing breathability or dye uptake. Widely used in apparel, home textiles, and technical fabrics for premium hand feel and processing efficiency.
  • wacker wacker gm 191 silicone emulsion_b9ca5da7
  • wacker wacker gm 191 silicone emulsion_b9ca5da7

Features Of Wacker WACKER GM 191 Silicone Emulsion

  1. Highly stable anionic silicone emulsion with excellent shelf life under ambient storage conditions.

  2. Provides superior softness, smoothness, and hydrophobicity to treated substrates without impairing breathability.

  3. Compatible with common textile auxiliaries including wetting agents, thickeners, and cationic softeners in standard formulations.

  4. Low foaming profile suitable for high-speed industrial padding, exhaust, and spray application processes.

  5. Eco-friendly formulation compliant with ZDHC MRSL v3.1 Level 1 requirements for restricted substances.

Typical Applications Of Wacker WACKER GM 191 Silicone Emulsion

  1. Cotton, polyester, and blended fabric finishing for apparel and home textiles.

  2. Nonwoven treatment in hygiene and medical products to enhance drapability and skin feel.

  3. Leather surface conditioning to improve flexibility and reduce surface tackiness.

  4. Technical textiles such as filtration media and geotextiles requiring durable water repellency.

Specifications Of Wacker WACKER GM 191 Silicone Emulsion

Chemical TypeAnionic polydimethylsiloxane (PDMS) emulsion
Product FormAqueous emulsion
AppearanceOpaque white to slightly bluish liquid
pH (1% aqueous solution, 20 °C)5.5 – 6.5
Solids Content (wt %)28.0 – 30.0
Viscosity (mPa·s, Brookfield RVT, spindle #3, 20 rpm, 23 °C)150 – 400
Particle Size (D50, nm)120 – 180
Freeze-Thaw StabilityStable after one cycle (–5 °C for 16 h → 23 °C for 8 h)


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