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IOTA 245 is a polyether-modified silicone wetting agent offering excellent substrate wetting and leveling properties. It is widely used in various paints, inks, and coating systems. With good water solubility and smoothness, it effectively reduces surface friction while preventing surface defects such as craters and orange peel, improving coating flatness and appearance.
| Parameter | Specification |
|---|---|
| Appearance | Colorless to light yellow liquid |
| Active content | >99.8% |
| Specific gravity (25°C) | 1.025–1.049 |
| Refractive index (25°C) | 1.449–1.451 |
| Viscosity (25°C) | 10–100 cP |
| Cloud point | 50–60°C |
| Solubility | Soluble in water |
✅ Low surface tension – outstanding substrate wetting and penetration, rapid spreading
✅ Polyether-modified silicone structure – combines low surface tension of silicone with water solubility of polyether
✅ Heat resistance – suitable for high-temperature processing or service environments
✅ Good compatibility – applicable to sensitive systems such as nitrile glove coatings
✅ Anti-crater performance – effective in both waterborne and solvent-borne systems
✅ No impact on recoatability – compatible with other additives, maintains intercoat adhesion
✅ Broad application – suitable for both waterborne and solvent-borne systems
| System Type | Specific Applications |
|---|---|
| Waterborne | Waterborne industrial coatings, waterborne wood coatings, waterborne polyurethane, waterborne acrylic, waterborne alkyd, waterborne printing pastes, waterborne overprint varnishes |
| Solvent-borne | Various solvent-borne paints, inks, coatings |
| Special applications | Carpet adhesives, adhesives, waterborne coatings, dip coatings |
✅ Low surface tension, excellent wetting – rapid penetration and leveling
✅ Anti-crater and anti-orange peel – enhances coating surface quality
✅ Heat resistant, good compatibility – suitable for special systems like nitrile glove coatings
✅ Waterborne and solvent-borne compatible – one product for multiple systems
✅ No impact on recoatability – maintains application convenience and intercoat adhesion
For samples, formulation recommendations, or technical support, please feel free to contact us.
