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

Dow DOWSIL 7-3100 Silicone Gum Blend Emulsion

Dow DOWSIL 7-3100 Silicone Gum Blend Emulsion is a high-solids, anionic aqueous dispersion of methylvinylsilicone gum and silica filler. Designed for textile softening and paper coating, it delivers exceptional lubricity, thermal stability, and film-forming capability. Part of Dow’s DOWSIL silicone emulsion portfolio, this versatile blend enables durable hydrophobic finishes and improved surface smoothness across industrial applications.
  • dow dowsil 7 3100 silicone gum blend emulsion_3af6a587
  • dow dowsil 7 3100 silicone gum blend emulsion_3af6a587

Features Of Dow DOWSIL 7-3100 Silicone Gum Blend Emulsion

  1. High-solids, anionic silicone gum blend emulsion offering excellent film-forming capability.

  2. Provides outstanding lubricity, softness, and hydrophobicity on treated substrates.

  3. Compatible with cationic, nonionic, and some anionic systems—ideal for formulation flexibility.

  4. Stable across a broad pH range (pH 4–8) and tolerant to moderate electrolyte levels.

  5. Enables low-temperature curing and good adhesion on cellulosic, synthetic, and mineral surfaces.

Typical Applications Of Dow DOWSIL 7-3100 Silicone Gum Blend Emulsion

  1. Textile finishing for durable soft hand feel and wrinkle resistance.

  2. Nonwoven binders and coatings to enhance drape, water repellency, and abrasion resistance.

  3. Leather finishing agents delivering smoothness, suppleness, and improved grain definition.

  4. Construction additives for hydrophobic treatment of mortars, grouts, and cementitious coatings.

  5. Specialty paper coatings to improve release properties and surface smoothness.

Specifications Of Dow DOWSIL 7-3100 Silicone Gum Blend Emulsion

Chemical TypeDimethyl/diphenyl silicone gum blend
Product FormAqueous anionic emulsion
AppearanceOpaque white to off-white liquid
Solids Content45–47 wt%
pH (10% aqueous solution)5.5–6.5
Viscosity (Brookfield, #3 spindle, 20 rpm, 25°C)500–2,000 cP
Density (25°C)0.98–1.02 g/cm³
Freeze-Thaw StabilityPasses 3 cycles (−10°C/24 h → 25°C/24 h)


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