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

Dow DOWSIL PF-2520 Elastomer Emulsion

Dow DOWSIL PF-2520 Elastomer Emulsion is a high-performance silicone-based polymer emulsion from Dow’s DOWSIL portfolio. Designed for flexible, durable coatings and adhesives, it delivers excellent elongation, water resistance, and substrate adhesion. Ideal for architectural sealants, textile finishes, and industrial binders requiring soft elasticity and thermal stability.
  • dow dowsil pf 2520 elastomer emulsion_f851fcb7
  • dow dowsil pf 2520 elastomer emulsion_f851fcb7

Features Of Dow DOWSIL PF-2520 Elastomer Emulsion

  1. High-solids, water-based silicone elastomer emulsion offering excellent film-forming capability.

  2. Delivers soft, flexible, and durable elastomeric films with low modulus and high elongation.

  3. Compatible with common waterborne polymers and additives, enabling easy formulation integration.

  4. Provides outstanding thermal stability and hydrophobicity after film formation.

  5. Low VOC content and APEO-free, supporting sustainable and regulatory-compliant formulations.

Typical Applications Of Dow DOWSIL PF-2520 Elastomer Emulsion

  1. Textile coatings for soft hand feel, stretch recovery, and water repellency.

  2. Leather finishing agents to enhance flexibility, abrasion resistance, and surface smoothness.

  3. Waterborne industrial coatings requiring elastic, non-yellowing topcoats.

  4. Specialty paper coatings for improved tear strength and dimensional stability.

  5. Adhesive modifiers to impart elasticity and stress relaxation in pressure-sensitive systems.

Specifications Of Dow DOWSIL PF-2520 Elastomer Emulsion

Chemical TypeEmulsified silicone elastomer (polydimethylsiloxane-based)
Product FormWhite to off-white stable aqueous emulsion
AppearanceOpaque liquid with slight opalescence
Solids Content25 ± 1 wt%
pH (as received)6.0 – 7.5
Viscosity (Brookfield, #2 spindle, 20 rpm, 25°C)50 – 200 mPa·s
Particle Size (D50)0.2 – 0.5 µm
Freeze-Thaw StabilityStable after one cycle (–20°C for 16 h, then thawed at 25°C)


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