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
Dual-Action Wetting: Siloxane-polyether chains lower static/dynamic surface tension (rated 5/5 for anti-cratering)
Process Stability: pH 3-13 stable, compatible with spray/roller/curtain coating
Eco-Friendly: VOC-free, meets GB 18582-2020 and indirect food contact standards
Multi-Functional: Combines wetting, flow promotion, and defoaming support
Durability: 60-month shelf life (-40~+40°C), resistant to shear degradation
Wood Coatings: 0.1-0.5% in furniture varnishes for crater-free finishes (ΔE<0.5)
Industrial Paints: High-speed roller coating (>80 m/min) on metal substrates
Printing Inks: 0.3-0.8% in waterborne flexo/gravure inks for substrate adhesion
Plastic Coatings: BOPP/PET primers (0.05-0.2%) with cross-cut class 0 adhesion
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 |
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E-mail: wangxingqiang@ericwchem.com
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