Leveling agent STD-2033
Coating Additives 2025-03-12
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)
