Leveling agent STD-2041
Introduction
Composition: Polyether modified silicone oil
Appearance: light yellow viscous liquid
Active ingredient: 100%
Solvent: None
Application range:
Can be applied to all solvent-based and water-based systems, light-curing systems, etc.
Leveling Agent STD-2041 Overview
| Category | Details |
|---|---|
| Product Name | STD-2041 Silicone-Free Surface Modifier |
| Chemical Type | Acrylic copolymer with polyether side chains |
| Key Applications | –Waterborne Coatings: Architectural paints, wood stains –UV-Cured Systems: Clearcoats, plastics –Powder Coatings: Automotive finishes |
| Function | Reduces surface tension gradients for defect-free film formation |
| Advantages | –Anti-Cratering: Eliminates pinholes in high-shear applications –Mar/Scratch Resistance: Enhances surface uniformity –Recoatable: Compatible with most topcoats |
| Technical Data | –Appearance: Clear yellow liquid –Active Content: 65% –Surface Tension Reduction: >20 mN/m –Recommended Dose: 0.2-1.5% |
| Usage Method | –Addition: Post-pigment dispersion –Mixing: Low-shear blending –Application Temp: 10-35°C |
| Performance | –Levelling Speed: Achieves full flow in <30 seconds –Gloss Improvement: >30% increase in 60° gloss |
| Safety | –Handling: Avoid skin contact –Flash Point: >100°C –VOC Content: <0.5% |
| Regulatory | APEO-free, compliant with global food contact regulations (FDA, EFSA) |
Note: STD-2041 provides balanced surface tension control suitable for both air-dried and baked systems, particularly effective in reducing orange peel in metallic finishes.
Key Advantages of STD-2041
✔ Superior surface tension reduction
✔ Excellent compatibility with solvent- and water-based systems
✔ Prevents common coating defects (orange peel, craters)
✔ Improves substrate wetting on difficult surfaces
✔ Non-yellowing and heat-stable formulation
Technical Specifications
Physical & Chemical Properties
| Property | Specification | Test Method |
|---|---|---|
| Appearance | Clear to slightly hazy liquid | Visual inspection |
| Active Content | 50±2% | Gravimetric analysis |
| Density (25°C) | 0.95-1.05 g/cm³ | ASTM D1475 |
| Viscosity (25°C) | 100-300 mPa·s | Brookfield viscometer |
| Flash Point | >100°C | ISO 2719 |
| Solubility | Soluble in most organic solvents | – |
Performance Comparison with Conventional Agents
| Parameter | STD-2041 | Standard Leveling Agents |
|---|---|---|
| Surface Tension Reduction | 22-25 mN/m | 28-32 mN/m |
| Defect Prevention | Excellent (Class 1) | Good (Class 2-3) |
| Substrate Wetting | Superior on all surfaces | Limited on low-energy substrates |
| Thermal Stability | Stable up to 250°C | Typically 180-200°C |
Compatibility |
Universal | System-specific |
Application Guidelines
Recommended Usage
Architectural Coatings:0.1-0.3% of total formulation
Automotive OEM:0.2-0.5% of total formulation
Industrial Coatings:0.3-0.8% of total formulation
Wood Coatings:0.1-0.4% of total formulation
Processing Benefits
• Reduces brush/roller marks in decorative coatings
• Eliminates fisheyes in high-gloss finishes
• Improves flow in spray applications
• Enhates metallic flake orientation
Why STD-2041 Outperforms?
Advanced silicone chemistryfor balanced surface tension control
Self-leveling mechanismthat works during entire drying process
Non-migrating formulaprevents long-term surface defects
Environmentally optimizedwith low VOC content
Conclusion
Leveling Agent STD-2041 represents a technological breakthrough in coating perfection, offering unmatched surface leveling performance across diverse application methods and substrates. Its unique formulation addresses the most challenging coating defects while maintaining excellent compatibility with various resin systems.
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