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

BASF Efka FL 3740 Leveling Agent

BASF Efka FL 3740 is a high-performance silicone-free leveling agent from the Efka polymer additive series, designed for solvent-borne and water-borne industrial coatings. It enhances surface uniformity, reduces orange peel, and improves flow without affecting substrate wetting or recoatability. Ideal for automotive refinish, wood, and general industrial applications where defect-free finishes are critical.
  • basf efka fl 3740 leveling agent_4fdf45e7
  • basf efka fl 3740 leveling agent_4fdf45e7

Features Of BASF Efka FL 3740 Leveling Agent

  1. Highly effective surface tension reduction for superior flow and leveling in solventborne and high-solids coatings.

  2. Excellent compatibility with a broad range of resins including acrylics, polyesters, alkyds, and epoxy systems.

  3. Low foaming tendency, minimizing defects during high-speed application processes such as roll-coating and curtain coating.

  4. Good substrate wetting on low-energy surfaces (e.g., polyolefins, fluorinated substrates) without compromising intercoat adhesion.

  5. Thermally stable up to 200 °C, supporting baking applications in industrial coil and automotive refinishing coatings.

Typical Applications Of BASF Efka FL 3740 Leveling Agent

  1. Automotive OEM and refinish clearcoats and basecoats.

  2. Industrial maintenance and protective coatings for metal substrates.

  3. Coil coatings for pre-painted steel and aluminum sheets.

  4. General-purpose solventborne decorative paints for architectural and furniture finishes.

  5. High-solids and UV-curable hybrid coating systems requiring defect-free surface appearance.

Specifications Of BASF Efka FL 3740 Leveling Agent

Chemical TypeSilicone-acrylate copolymer
Product FormClear, viscous liquid
AppearanceColorless to pale yellow, homogeneous liquid
Primary ApplicationsSolventborne and high-solids industrial coatings
Key FeaturesNon-silicone alternative; low migration; no haze formation
BenefitsImproved gloss uniformity, reduced orange peel, enhanced edge coverage
Recommended Dosage0.1–0.5 wt% on total formulation
Storage StabilityStable for ≥12 months at 5–30 °C in sealed container


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