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Nonionic surfactant based on ethoxylated linear alcohol with optimized hydrophile-lipophile balance (HLB) for robust emulsification and solubilization.
Excellent low-temperature stability and freeze-thaw resistance, ensuring consistent performance in cold-climate formulations.
Low foaming profile suitable for high-shear industrial cleaning and metalworking applications where foam control is critical.
Good compatibility with electrolytes, acids, and other nonionic and anionic surfactants in complex formulation systems.
EcoVadis-recognized sustainable profile with readily biodegradable backbone and low aquatic toxicity (OECD 301 series compliant).
Industrial and institutional (I&I) hard-surface cleaners, especially alkaline degreasers for food processing equipment.
Metalworking fluids, including soluble oils and semi-synthetic coolants requiring stable oil-in-water emulsions.
Agrochemical adjuvants for improving active ingredient dispersion and foliar retention in crop protection formulations.
Textile auxiliaries such as scouring and dyeing assistants for polyester-cotton blends.
Paint and coating additives for pigment wetting and latex stabilization in architectural and industrial coatings.
| Chemical Type | Nonionic: Linear alcohol ethoxylate (C13–C15, ~14 EO units) |
| Product Form | Liquid |
| Appearance | Pale yellow to colorless viscous liquid |
| pH (1% aqueous solution, 20 °C) | 5.5 – 7.0 |
| Cloud Point (1% aqueous solution) | 68 – 72 °C |
| Active Content (wt %) | 99.0 – 100.0 |
| Density (20 °C) | 1.01 – 1.03 g/cm³ |
| Solubility in Water | Complete, clear solution at room temperature |
Q1: What is the primary function of Lutensol XL 140 in industrial formulations?
A: Lutensol XL 140 is a nonionic surfactant based on ethoxylated linear alcohols, primarily used as an emulsifier, solubilizer, and wetting agent in aqueous systems. It supports stable oil-in-water emulsions and enhances compatibility between hydrophobic and hydrophilic components in cleaning, agrochemical, and industrial maintenance applications.
Q2: Is Lutensol XL 140 suitable for low-foaming applications?
A: Yes — due to its branched ethoxylation pattern and molecular architecture, Lutensol XL 140 delivers inherently low foaming behavior, making it well-suited for high-shear processes and applications where foam control is critical, such as metalworking fluids and industrial cleaners.
Q3: How does temperature affect the performance of Lutensol XL 140?
A: Lutensol XL 140 exhibits good thermal stability and maintains effective surface activity across a broad temperature range. Its cloud point is sufficiently high to ensure consistent performance in warm-process applications, though formulation-specific testing is recommended for extreme conditions.
Q4: Can Lutensol XL 140 be used in combination with ionic surfactants?
A: Yes — it demonstrates excellent compatibility with anionic and cationic surfactants in most standard formulations, enabling synergistic performance in detergency, emulsification, and dispersion. Compatibility should be verified empirically in final product matrices due to potential interactions with high electrolyte content or extreme pH.
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