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

Momentive Silsoft EMU121-N Silicone Emulsion

Momentive Silsoft EMU121-N is a high-performance anionic silicone emulsion from the Silsoft series, delivering exceptional softness, smoothness, and hydrophobicity to textiles. Ideal for cotton, polyester, and blends, it offers excellent stability, easy handling, and low-foaming characteristics. Widely used in fabric finishing for durable, silky hand feel without compromising breathability or dye affinity.
  • momentive silsoft emu121 n silicone emulsion_afa88161
  • momentive silsoft emu121 n silicone emulsion_afa88161

Features Of Momentive Silsoft EMU121-N Silicone Emulsion

  1. Non-ionic, stable silicone emulsion designed for compatibility with anionic and cationic systems.

  2. Provides excellent softness, smoothness, and lubricity to textile and nonwoven substrates.

  3. Low foaming profile suitable for high-speed industrial processing including padding, spraying, and exhaust applications.

  4. Good washfastness and durability after curing or thermal fixation.

  5. Readily dispersible in water with minimal agitation; no pre-dilution required for most formulations.

Typical Applications Of Momentive Silsoft EMU121-N Silicone Emulsion

  1. Softening and hydrophobic finishing of cotton, polyester, and blended woven fabrics.

  2. Surface treatment of spunbond and meltblown nonwovens for personal care and medical products.

  3. Enhancing drape and hand feel in technical textiles for automotive and filtration applications.

  4. Key additive in aqueous coating formulations for paper and board surface modification.

  5. Component in specialty care products requiring skin-compatible, low-irritancy silicone delivery.

Specifications Of Momentive Silsoft EMU121-N Silicone Emulsion

Chemical TypeDimethyl silicone polymer emulsion
Product FormAqueous emulsion
AppearanceOpaque white to off-white liquid
pH (1% aqueous solution)5.5 – 7.0
Active Content30.0 ± 1.0 wt%
Viscosity (Brookfield, #2 spindle, 20 rpm, 25°C)50 – 200 cP
Particle Size (D50)0.1 – 0.3 µm
Freeze-Thaw StabilityStable after one cycle (–5°C for 16 h, then 25°C for 8 h)


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