Leveling agent STD-2033
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 systems, water-based systems, light-curing systems, etc.
Leveling Agent STD-2033: Technical Overview
| Category | Specifications |
|---|
| Product Name |
Leveling Agent STD-2033 |
| Chemical Type |
Polyether-modified polysiloxane |
| Appearance |
Clear to pale yellow liquid |
| Active Content |
100% |
| Density (25°C) |
1.01-1.03 g/cm³ |
| Viscosity (25°C) |
50-150 mPa·s |
| Solubility |
Soluble in most organic solvents; dispersible in water |
| Flash Point |
>100°C (closed cup) |
Key Properties & Functions
| Property | Description |
|---|
| Surface Tension Reduction |
Improves substrate wetting (<25 mN/m) |
| Leveling Performance |
Eliminates brush marks, orange peel, and cratering |
| Compatibility |
Works with waterborne, solvent-borne, and UV-curable systems |
| Thermal Stability |
Stable up to 150°C |
| Foam Control |
Low foam generation |
Applications
| Industry | Use Case |
|---|
| Industrial Coatings |
Improves flow in automotive and machinery paints |
| Wood Coatings |
Enhances smoothness in furniture finishes |
| Architectural Paints |
Reduces surface defects in wall coatings |
| Printing Inks |
Prevents pinholing and improves gloss |
| UV Coatings |
Ensures uniform curing without defects |
Performance Advantages
| Advantage | Benefit |
|---|
| Excellent Flow |
Eliminates surface imperfections |
| Wide Compatibility |
Suitable for multiple resin systems |
| Low Volatility |
No VOC emissions |
| Easy Incorporation |
Can be added at any stage of formulation |
| Cost-Effective |
Effective at 0.1-1.0% dosage |
Usage Guidelines
| Parameter | Recommendation |
|---|
| Dosage |
0.1-1.0% of total formulation |
| Addition Point |
Preferably during let-down phase |
| Mixing |
Moderate stirring sufficient |
| Storage |
Keep sealed at 5-30°C; shelf life: 24 months |
Safety & Compliance
| Aspect | Details |
|---|
| Toxicity |
LD50 > 2000 mg/kg (oral, rat) |
| Skin Irritation |
Mild (Category 3) |
| Regulatory |
Complies with REACH, FDA 21 CFR 175.300 |
| Handling |
Use gloves and goggles; ensure ventilation |
Comparison with Alternatives
| Feature | STD-2033 | Standard Leveling Agents |
|---|
| Surface Tension Reduction |
Excellent (≤25 mN/m) |
Moderate (30-35 mN/m) |
| Defect Elimination |
Superior (no craters/streaks) |
Partial improvement |
| Compatibility |
Broad (water/solvent/UV) |
Limited to specific systems |
References
Product Technical Data Sheet (2024)
Journal of Coatings Technology– “Advances in Surface Modifiers” (2023)
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