Multi-functional phosphate ester
Hostaphat™ 1738
Änderungsdatum :
Juni 17, 2026
Hostaphat™ 1738 is a multi-functional phosphate ester with improved labeling and benchmark lubricity performance.
Hostaphat™ 1738 exhibits outstanding Extreme Pressure (EP)/Anti-wear (AW) properties along with an excellent low foam profile and enhanced emulsification properties.
These performance benefits along with ease of formulation make Hostaphat™ 1738 an ideal choice to formulate with in semi-synthetic and synthetic fluids.
Product Information
Benefits
- Excellent foam control
- Improved labeling
- Favorable hard water stability
- Comparable tapping torque results to industry standards with higher phosphorus content
- Lower phosphorus content
- Easily neutralizes in amines to form stable synthetic metal working fluids
Product details
Produktfunktionen
- EPAW additive
Chemical Type
- Phosphoric acid esters
Anwendungen
- Hydraulic fluids
- Rolling
- Metal working fluids (semi-synthetic)
- Metal working fluids (fully synthetic)
- Cutting and forming fluid (neat oil)
- Metal working fluids (milky-type)
| Active content | approx. 99 % |
| Appearance (20°C) | light yellow to amber liquid |
| Phosphorus content | approx. 2.5 % |
| Kinematic viscosity (25 °C) | 1290 cSt |
| Kinematic viscosity (50 °C) | 517 cSt |
| Kinematic viscosity (100 °C) | 51 cSt |
| pH value | approx. 3 |
| Surface Tension (1 g/L, 25 °C) | approx. 36 mN/m (as TEA salt) |
| Acid Value | approx. 65 mg KOH/g |
| Density (20°C) | approx. 1.02 g/ml |
| Pour point | approx. 7 °C |
| Solubility | Soluble in naphthenic, paraffinic, castor, and canola oils. Also dispersible in water |
Metalworking fluids: straight oils, soluble oils, semi-synthetics, and synthetics
