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

Solvay Lubrhophos LB 400 Phosphate Ester Surfactant

Solvay Lubrhophos LB 400 is a high-performance phosphate ester surfactant from Solvay’s Lubrhophos series, designed for metalworking fluids and lubricant formulations. It delivers excellent emulsification, corrosion inhibition, and thermal stability. Compatible with mineral and synthetic oils, it enhances lubricity and biodegradability while maintaining low foam and pH neutrality. Widely used in rolling, cutting, and grinding applications across automotive and aerospace industries.
  • solvay lubrhophos lb 400 phosphate ester surfactant_8f54b139
  • solvay lubrhophos lb 400 phosphate ester surfactant_8f54b139

Features Of Solvay Lubrhophos LB 400 Phosphate Ester Surfactant

  1. Highly effective anionic phosphate ester surfactant with excellent emulsification and wetting performance.

  2. Offers superior hydrolytic stability under neutral to mildly alkaline conditions.

  3. Delivers strong lubricity and anti-wear properties in metalworking fluid formulations.

  4. Biodegradable profile aligned with modern environmental stewardship requirements.

  5. Compatible with a broad range of base oils, glycols, and other co-surfactants in complex formulations.

Typical Applications Of Solvay Lubrhophos LB 400 Phosphate Ester Surfactant

  1. Metalworking fluids — especially semi-synthetic and micro-emulsion coolants.

  2. Industrial cleaning agents for precision parts and high-value components.

  3. Lubricity enhancers in water-based hydraulic fluids and fire-resistant fluids.

  4. Corrosion inhibitor synergist in multi-functional coolant concentrates.

  5. Emulsifier in specialty agricultural adjuvant systems.

Specifications Of Solvay Lubrhophos LB 400 Phosphate Ester Surfactant

Chemical TypePhosphate ester (mixed mono- and di-alkyl esters)
Product FormLiquid
AppearancePale yellow to amber viscous liquid
pH (1% aqueous solution)5.5 – 7.0
Density (20 °C)1.12 – 1.16 g/cm³
Solubility in WaterPartially miscible; forms stable microemulsions with co-surfactants
Primary ApplicationsMetalworking fluids, industrial cleaners, lubricity additives
Key FeaturesEmulsification, wetting, lubricity, hydrolytic stability


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