May 05, 2026

WynCoat® SL-3310 Product Introduction

 
WynCoat® SL-3310 is a polyester-modified polysiloxane solution with excellent surface tension reduction in coatings. It delivers outstanding wetting and leveling properties, excellent anti-cratering performance, and imparts a smooth, silky finish to the coating film.
 
Compared with conventional polyether silicone leveling agents, SL-3310 offers higher thermal stability (heat resistance up to 210°C) and has no negative impact on coating recoatability.
 

 

1. Product Specifications

 
  • Composition: Polyester-modified polysiloxane solution
  • Appearance: Colorless to pale yellow transparent liquid
  • Active content: 25%
  • Solvent: S-150
 

 

2. Application Performance

 

Gloss & Haze

 
Excellent panel gloss and low haze are critical for coating appearance and color development. Lower haze indicates better film transparency.
 
Item SL-3310 Competitive Product
Gloss (60°) 99.80 99.50
 

Spray Leveling

 
After spraying and drying, SL-3310 provides superior mirror-like leveling compared to standard market competitors.
 

Recoatability

 
SL-3310 maintains excellent heat resistance. After baking at 210°C for 20 minutes, it still ensures perfect recoatability with no defects.
 

 

3. Recommended Applications

 
  • Solvent-borne coating systems
  • Solvent-free coating systems
 

 

4. Key Product Benefits

 
  • Delivers excellent substrate wetting, anti-cratering, and leveling
  • Enhances surface slip, scratch resistance, and anti-blocking
  • Prevents Benard cell formation, improves leveling and gloss

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.