Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

BASF Lutensol AO 4 Surfactants

BASF Lutensol AO 4 is a nonionic surfactant from BASF’s Lutensol AO series featuring ethoxylated linear alcohols with ~4 EO units. It offers excellent wetting dispersion and low-foaming detergency ideal for industrial cleaners textile auxiliaries and agrochemical formulations. Renowned for its stability across pH and temperature ranges it ensures consistent performance in demanding applications.
  • basf lutensol ao 4 surfactants_85d4f745
  • basf lutensol ao 4 surfactants_85d4f745

Features Of BASF Lutensol AO 4 Surfactants

  1. Nonionic surfactant based on linear alcohol ethoxylate with optimized hydrophilic-lipophilic balance (HLB ≈ 4.5) for effective wetting and emulsification.

  2. Excellent low-temperature stability and solubility in polar organic solvents and water-miscible systems.

  3. Low foaming profile suitable for high-shear industrial cleaning and metalworking applications.

  4. Biodegradable under aerobic conditions, supporting sustainable formulation design in compliance with OECD 301 standards.

  5. Compatible with anionic, cationic, and amphoteric surfactants, enabling broad formulation flexibility.

Typical Applications Of BASF Lutensol AO 4 Surfactants

  1. Industrial and institutional cleaners, especially hard-surface degreasers and pre-treatment baths.

  2. Metalworking fluids, including soluble oils and semi-synthetic coolants for ferrous and non-ferrous machining.

  3. Agrochemical adjuvants for improving active ingredient dispersion and foliar retention.

  4. Paint and coating additives for pigment wetting and stabilization in solvent-borne systems.

  5. Textile auxiliaries in scouring and desizing formulations for polyester-cotton blends.

Specifications Of BASF Lutensol AO 4 Surfactants

Chemical TypeLinear alcohol ethoxylate (C13–C15, avg. 4 EO units)
Product FormPale yellow to colorless viscous liquid
AppearanceClear, homogeneous liquid at 20 °C
Active Content≥ 98.0 wt-%
Cloud Point (1% aqueous solution)≈ 25–30 °C
pH (1% aqueous solution, 20 °C)5.5–7.0
Density (20 °C)0.98–1.02 g/cm³
Viscosity (20 °C)200–400 mPa·s


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