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

Momentive XF49-811 Silicone Emulsion

Momentive XF49-811 is a high-performance anionic silicone emulsion from Momentive’s XF series, designed for textile softening and hydrophobic finishing. It delivers excellent lubricity, smoothness, and durable water repellency on natural and synthetic fibers without compromising breathability or dye uptake. Widely used in apparel, home textiles, and technical fabrics for consistent batch-to-batch performance and easy incorporation into standard pad-dry-cure processes.
  • momentive xf49 811 silicone emulsion_fae0aa14
  • momentive xf49 811 silicone emulsion_fae0aa14

Features Of Momentive XF49-811 Silicone Emulsion

  1. High-solids, anionic silicone emulsion offering excellent stability in aqueous systems.

  2. Provides superior lubricity and surface slip without compromising adhesion in coating formulations.

  3. Low foaming profile suitable for high-shear processing and inline dilution.

  4. Compatible with common water-based resins including acrylics, styrene-butadiene, and polyvinyl acetate.

  5. Enables improved substrate wetting and uniform film formation on porous and non-porous surfaces.

Typical Applications Of Momentive XF49-811 Silicone Emulsion

  1. Water-based industrial coatings for metal and plastic substrates.

  2. Architectural paints requiring enhanced flow, leveling, and anti-marring performance.

  3. Textile finishing agents for soft hand feel and reduced friction in woven and nonwoven fabrics.

  4. Adhesive and sealant formulations to improve rheology control and substrate release characteristics.

  5. Printing ink additives for improved rub resistance and gloss uniformity.

Specifications Of Momentive XF49-811 Silicone Emulsion

Chemical TypeAnionic polydimethylsiloxane (PDMS) emulsion
Product FormOpaque white to off-white liquid
AppearanceStable, pourable emulsion
Solids Content35.0 ± 1.0 wt%
pH (1% Aqueous Solution)6.0 – 7.5
Viscosity (Brookfield RVT, #2 spindle, 20 rpm, 25°C)50 – 200 cP
Particle Size (D50 by DLS)0.15 – 0.30 µm
Freeze-Thaw StabilityPasses 3 cycles (−15°C/24 h → 25°C/24 h)


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