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Nonionic ethoxylated alcohol surfactant with balanced hydrophilic-lipophilic properties for versatile formulation performance.
Excellent wetting, emulsifying, and detergency capabilities across a broad pH and temperature range.
Low foaming profile suitable for high-shear industrial cleaning and metalworking applications.
Good biodegradability and favorable environmental profile in accordance with OECD 301 standards.
Stable in hard water and compatible with common anionic, nonionic, and cationic ingredients.
Industrial and institutional cleaners (I&I), including floor cleaners and degreasers.
Metal cleaning and pre-treatment formulations for automotive and aerospace sectors.
Agrochemical adjuvants for improving pesticide spray dispersion and leaf coverage.
Textile auxiliaries such as scouring agents and dyeing assistants.
Paints and coatings additives for pigment wetting and stabilization.
| Chemical Type | Nonionic surfactant — Ethoxylated linear C13–C15 alcohols |
| Product Form | Liquid |
| Appearance | Pale yellow to amber viscous liquid |
| pH (1% aqueous solution, 20 °C) | 5.5 – 7.0 |
| Active Content | ~50 wt.% (in water) |
| Cloud Point (1% aqueous solution) | ~60–65 °C |
| Solubility | Freely soluble in water and common organic solvents (e.g., ethanol, glycol ethers) |
| Storage Stability | Stable for ≥12 months at 5–30 °C in sealed original packaging |
Q1: What is the primary chemical nature of Lutensol XA 50?
A: Lutensol XA 50 is a nonionic surfactant based on an alcohol ethoxylate structure, featuring a linear C13–C15 fatty alcohol backbone with an average of approximately 50 ethylene oxide units per molecule, delivering high hydrophilicity and excellent water solubility.
Q2: In which types of industrial cleaning formulations is Lutensol XA 50 most commonly applied?
A: It is widely used in high-performance alkaline and neutral industrial cleaners—especially for metal parts cleaning, CIP (clean-in-place) systems, and heavy-duty degreasing—where strong emulsification of mineral oils and low-foaming behavior under mechanical agitation are required.
Q3: How does temperature affect the performance of Lutensol XA 50 in aqueous systems?
A: As a high-EO ethoxylate, Lutensol XA 50 exhibits excellent thermal stability and retains solubility and emulsifying efficiency across a broad temperature range, including elevated temperatures typical in hot cleaning processes; it does not exhibit a sharp cloud point within standard operating conditions.
Q4: Is Lutensol XA 50 compatible with common anionic and amphoteric surfactants?
A: Yes, Lutensol XA 50 demonstrates good compatibility with many anionic surfactants (e.g., LAS, AES) and amphoteric agents (e.g., betaines), enabling synergistic formulation effects in multi-surfactant cleaning systems without significant phase separation or viscosity instability.
Q5: What guidance can be provided regarding dosage levels in finished formulations?
A: Dosage depends on formulation requirements and application intensity, but Lutensol XA 50 is typically used at low concentrations—generally ranging from 0.1% to 2% by weight—in industrial cleaning concentrates, where its high EO content delivers effective soil removal and rinseability without excessive residue.
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