EP additive for metal working fluids
Hordaphos™ MDHX
Edition Date :
June 05, 2026
Hordaphos MDHX is a phosphate ester (mono- and diester of phosphoric acid) used as an additive in drilling and cutting fluids. It has very high phosphatizing properties and is also used as an extreme pressure/anti-wear additive in mineral oil formulations.
Product Information
Benefits
- Very high phosphatizing properties
- Suitable as an extreme pressure/anti-wear additive in mineral oil formulations
- Used as an additive in drilling and cutting fluids
Product details
Product Function
- EPAW additive
Chemical Type
- Phosphoric acid esters
- Esters
- Alcohols
- Blends
Applications
- Hydraulic fluids
- Rolling
- Cutting and forming fluid (neat oil)
- Gear oils
- Inks
- Phosphorus Chemicals
- Printing Inks
- Detergents
- Pigment preparation
- Corrosion Protection
- Defoaming
- Metal Working
- Rinse Aid
- Metal cleaner
- Shampoo
- Industrial Coatings
- Laundry fabric softener
- Synthesis
- Crop protection
- Stabilizers
Performance Claims
- Anti-static effect
- Degreasing
- Foaming
- Softening effect
- Easy to handle
- Emulsifying properties
- Excellent wetting
- Low foaming
- Pigment wetting
| Property | Value |
|---|---|
| Composition | Phosphate ester (mono- and diester of phosphoric acid) |
| Appearance (20°C) | Colorless to yellowish, clear liquid |
| Active content | Approx. 100% |
| pH value (1% in water /IPA 1:3) | Approx. 2.3 |
| Pour point DIN ISO 3016 | Approx. -50 °C |
| Acid value (2nd inflection pt.) DIN EN ISO 2114 | Approx. 375 mgKOH/g |
| Density (20°C) DIN 51757 | Approx. 1.06 g/cm³ |
| Viscosity (25°C) | Approx. 360 mPas |
| Lime soap dispersing power DIN 53908 | Approx. <4 (K-value) |
| Phosphorus content | Approx. 13 % |
| Solubility in water | Insoluble |
| Solubility in mineral oil | Soluble |
- Drilling fluids
- Cutting fluids
- Mineral oil formulations
