May 09, 2026

TOPWIN Launches WynCoat®SE-7109: High-Performance Solvent-Based Leather Slip Agent

 

HANGZHOU, China-May 8, 2026-TOPWIN releases WynCoat®SE-7109, a high-molecular-weight silicone additive designed for solvent-based PU leather systems, delivers upgraded dry-top coats with outstanding abrasion resistance, smooth hand feel, softness and anti-blocking performance.

 

WynCoat®SE-7109 slip agent delivers excellent compatibility with solvent PU and solvent-based surface treatments, ensuring stable processing free of pinholes, craters, fisheyes, floating or haze. It maintains coating clarity, gloss and adhesion, allowing drop-in use with minimal recipe changes.

 

Key Applications

- Dry-top layer of solvent-based PU synthetic leather

- Solvent-based leather surface treatments

- Solvent-borne coatings requiring high abrasion, smoothness and anti-blocking performance

 

Key Advantages

Excellent Solvent-Based PU Compatibility

Low Dosage 0.5%–3.0%, Cost-Effective

Superior Abrasion & Scratch Resistance

Long-Lasting Non-Sticky Smooth Touch

Simple Application, No Complex Adjustment

 

Technical Specifications

Appearance: Milky white paste

Active content: ≥97%

Viscosity (25℃): ≥10,000 cp

Recommended dosage: 0.5%–3.0%

 

WynCoat® SE-7109 delivers outstanding compatibility, cost efficiency and versatile performance, helping manufacturers upgrade quality and productivity in solvent-based PU leather production while strengthening global market competitiveness.

 

About TOPWIN

Topwin is one of the leading professional manufacturers and solution providers with more than 20 years of experience, and has domestic top-level engineers in the silicone surfactant industry. Specializing in research and development, production, sales, and marketing of silicone-based special functional performance materials, Topwin also serves as a professional provider of technical services. Now our products are widely used in Polyurethane Foam, Corp Protection, Coatings and InksLeather & Textile, Silicone Release Coating for Paper and Film, Personal Care,  and others.