Introduction to STD-4377 Leveling AdditiveSTD-4377 is a high-performance leveling additive desi
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STD-4377 is a high-performance leveling additive designed to enhance surface uniformity in coating formulations. It is widely used in industrial and decorative applications to minimize defects such as craters, orange peel, and uneven gloss. Below is a detailed overview of its properties, applications, and performance characteristics.
| Property | Specifikation |
|---|---|
| Chemical Type | Polymeric surfactant |
| Utseende | Clear to slightly yellow liquid |
| Density (20°C) | 1.02–1.08 g/cm³ |
| Solubility | Compatible with most solvents |
| Recommended Dosage | 0.1–1.0% of total formulation weight |
| Compatibility | Suitable for solvent-/water-based systems |
| Benefit | Beskrivning |
|---|---|
| Improved Flow | Reduces surface tension for even film formation |
| Defect Reduction | Eliminates pinholes, craters, and foam |
| Substrate Wetting | Enhances adhesion on difficult surfaces (e.g., plastics, metals) |
| Gloss Uniformity | Ensures consistent gloss levels across the coated surface |
| Stability | Resists phase separation in formulations |
| Industry | Use Case |
|---|---|
| Automotive | Clearcoats, basecoats |
| Industrial Coatings | Machinery, metal protection |
| Wood Finishes | Furniture, flooring |
| Packaging | Can coatings, printed substrates |
| Parameter | STD-4377 vs. Conventional Additives |
|---|---|
| Leveling Efficiency | 30% faster flow-out |
| Defect Coverage | Superior crater prevention |
| Compatibility | Broader solvent/resin compatibility |
| Thermal Stability | Stable up to 200°C |
| Aspect | Guideline |
|---|---|
| Storage | Keep in sealed containers at 5–30°C |
| Shelf Life | 24 months under recommended conditions |
| Safety | Use PPE; avoid direct contact (irritant to eyes/skin) |
STD-4377 leveling additive offers a balanced combination of performance, versatility, and ease of integration into diverse coating systems. Its ability to address common surface imperfections makes it a preferred choice for formulators seeking reliable results.
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