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Extreme pressure/anti-wear additive with emulsification and corrosion inhibiting properties

Hordaphos 145

Hordaphos 145 is an efficient EP/AW additive with emulsification as well as corrosion inhibiting properties for ferrous metals and aluminium alloys. It is used for metal working fluids (emulsions, semi-synthetic, neat oil), rolling emulsions and fire-resistant hydraulic fluids (HFA-E).
Performance depends to some extent on the amine chosen for naturalization and can be boosted by combining it with esters, especially TMP-trioleate.
  • Excellent lubricity and EP/AW properties
  • Good emulsification properties
  • Good corrosion protection of steel
  • Contributes to inhibition of staining on aluminium
  • Forms a protective layer on aluminum surfaces
  • Existing metal working fluids for steel can be upgraded by adding Hordaphos 145 for machining aluminum
  • Minimizes copper and cobalt leaching and helps to protect cutting tools
  • Hard-water stable
  • Low foaming
  • After neutralization no skin or eye irritation
  • Broad registration status
Product details
Product Function
  • EPAW additive
Chemical Type
  • Phosphoric acid esters
  • Hydraulic fluids
  • Rolling
  • Metal working fluids (semi-synthetic)
  • Cutting and forming fluid (neat oil)
  • Metal working fluids (milky-type)
Technical Data
Product groupPhosphoric acid ester
Phosphorus content4.3 - 5.7%
Acid value (mg KOH/g)160
pH (1% in water)
Pour point15°C
Reichert test (5% in mineral oil)8 mm2
Reichert test (20% in mineral oil)2 mm2
Four ball wear test (DIN 51350)0.48 mm
TGA inflection point291°C
TGA deposits9.8%
  • Metal working fluids (emulsions, semi-synthetic, neat oil)
  • Rolling emulsions
  • Fire-resistant hydraulic fluids (HFA-E)



Life Cycle

Hordaphos 145 has been approved the EcoTain label. The product provides the benefits at each step of the product life-cycle:

Sustainable Design

  • Product based on vegetable alcohol
  • Renewable share is ca. 47%
  • Boron-free and DEA-free

Responsible Process 

  • Resource efficiency due 99% yield
  • Minimized waste generation
  • Certified for safety & quality according to ISO 9001, ISO 14001 and OHSAS 18001 
  • Global production (China, Brazil. Germany, India, USA) can help to reduce transport

Safe & Efficient 

  • Safer handling after neutralization of lubricant formulation
  • High performance component increases lifetime of emulsion
  • Multifunctionality helps to decrease complexity of formulation
  • Suitable replacement of APEO based phosphoric acid ester in formulation

Eco Integration 

  • Improved environmental profile 
  • WGK1 (German water hazardous class 1)
  • Less effects to the aquatic environment (LC50 100-1000 mg/l)
  • Biodegradable (biodegradation >70% in 25 days according to beaker test) 

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Hordaphos 145

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