Evonik TEGO Twin 4100 Leveling Agent
Product Description
Evonik TEGO Twin 4100 is a 100% active siloxane gemini surfactant for coatings, reducing dynamic surface tension to ≤22.5 dyn/cm (0.1% conc.). It eliminates craters and enhances flow in wood/industrial coatings at 0.1-1.0% dosage, compliant with REACH/ISO 9001
Product Data
| Chemical Composition | Siloxane-Polyether Gemini Surfactant |
| Active Matter | 100% |
| Appearance | Clear to Slightly Turbid Liquid (Reversible at Low Temp) |
| Viscosity (25°C) | 200-500 mPa·s |
| Density (20°C) | 1.01-1.04 g/cm³ |
| pH Tolerance | 3-13 |
| Solubility | Soluble in Ethanol/TPGDA; Insoluble in Water/Mineral Oils |
| Surface Tension (0.1% sol.) | ≤22.5 dyn/cm |
| Flash Point | >144°C |
| Recommended Dosage | 0.1%-1.0% on total formulation |
| Storage Temperature | -40 ~ +40°C (avoid freezing) |
| Shelf Life | 24 months (unopened) |
| Packaging | 25 kg/drum |
Applications
1.Wood Coatings: 0.1-0.5% in furniture varnishes for crater-free finishes (ΔE<0.5)
2.Industrial Paints: High-speed roller coating (>80 m/min) on metal substrates
3.Printing Inks: 0.3-0.8% in waterborne flexo/gravure inks for substrate adhesion
4.Plastic Coatings: BOPP/PET primers (0.05-0.2%) with cross-cut class 0 adhesion
