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Nonionic ethoxylated alcohol surfactant with high cloud point and excellent low-temperature stability.
Outstanding emulsification and solubilization performance in aqueous systems containing electrolytes or polar organics.
Low foaming profile suitable for high-shear and continuous industrial cleaning processes.
Good biodegradability aligned with OECD 301 standards and reduced environmental impact.
Compatible with anionic, cationic, and amphoteric surfactants for formulation flexibility.
Industrial and institutional (I&I) hard-surface cleaners, including floor, glass, and stainless-steel cleaners.
Emulsion polymerization stabilizer for vinyl acetate–ethylene (VAE) and acrylic latexes.
Key component in metalworking fluid concentrates for improved cooling, lubricity, and residue control.
Formulation aid in agrochemical adjuvants for enhanced active ingredient dispersion and foliar retention.
Builder in low-foam laundry detergents for commercial laundries and textile pre-treatment baths.
| Chemical Type | Branched C13–C15 alcohol ethoxylate (EO ≈ 9 mol) |
| Product Form | Pale yellow to colorless viscous liquid |
| Appearance | Clear, homogeneous liquid at 25 °C |
| pH (1% aqueous solution) | 5.5–7.0 |
| Cloud Point (1% aqueous solution) | ≥ 85 °C |
| Active Content | ≥ 90 wt% |
| Density (20 °C) | 0.96–0.99 g/cm³ |
| Primary Applications | Emulsifier, solubilizer, wetting agent, stabilizer |
Q1: What is the primary chemical nature of Lutensol XL 90?
A: Lutensol XL 90 is a nonionic surfactant based on ethoxylated linear alcohols, specifically designed with a high degree of ethoxylation to deliver excellent water solubility, low foaming, and robust performance across a broad temperature range.
Q2: In which types of industrial cleaning formulations is Lutensol XL 90 most commonly applied?
A: It is widely used in low-foaming, high-efficiency aqueous cleaning systems—particularly in metalworking fluids, industrial laundry detergents, and hard-surface cleaners where stable emulsification of oils and greases is required without excessive foam generation.
Q3: How does Lutensol XL 90 perform in hard water conditions?
A: Due to its nonionic character and high ethoxylation, Lutensol XL 90 exhibits good tolerance to calcium and magnesium ions, maintaining effective wetting and emulsifying properties in moderately hard water without significant loss of performance or precipitation.
Q4: Is Lutensol XL 90 compatible with anionic and cationic surfactants?
A: It shows good physical compatibility with many anionic surfactants—such as alkylbenzene sulfonates and alkyl sulfates—in formulated systems. Compatibility with cationic species should be evaluated case-by-case, as interactions may affect solution stability or performance depending on concentration and pH.
Q5: What are typical dosage guidelines for Lutensol XL 90 in cleaning applications?
A: Dosage depends on formulation requirements and desired performance, but it is typically used at low concentrations—generally ranging from 0.1% to 2% by weight—in aqueous cleaning concentrates and ready-to-use solutions.
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