BYK-399 is a high-quality surface leveling agent under BYK brand, formulated as a silicone-free and fluorine-free polymer, specially developed for solvent-borne and baking coating systems. It has excellent leveling performance, can moderately reduce coating surface tension, improve substrate wettability, slightly inhibit crater defects, and has defoaming effect at high addition levels
Silicone-free and fluorine-free formula - No silicone or fluorine, avoiding silicone contamination, suitable for silicone-sensitive coating scenarios
Excellent leveling effect - Optimize film flow characteristics, improve film flatness, suitable for various gloss formulations
Outstanding wetting and defect inhibition - Improve substrate wetting, slightly inhibit craters, reduce surface defects
Excellent defoaming and compatibility - Defoaming effect at high addition levels, no foam stabilizing effect, excellent compatibility
Good recoatability - Does not affect subsequent coating, suitable for multi-coat painting processes, convenient construction
Solvent-borne industrial coatings - Suitable for various solvent-borne industrial paints, improve leveling and optimize surface texture
Automotive coatings - Used in automotive coating systems, improve wettability and leveling, ensure paint surface quality
Coil/can coatings - Suitable for solvent-borne coil and can coatings, improve film flatness and durability
Two-component polyurethane coatings - Used in 2K PU coatings, optimize leveling and avoid defects such as craters
Baking coatings - Suitable for various baking coatings, high temperature resistance, stable leveling performance
| Brand | BYK |
| Chemical Type | Silicone-free and fluorine-free surface-active polymer |
| Product Form | Transparent liquid |
| Active Ingredient | 100% |
| Ionicity | Non-ionic |
| Density (20℃) | 1.07 g/mL |
| Viscosity (25℃) | 150-300 mPa·s |
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E-mail: wangxingqiang@ericwchem.com
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