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Multi-functional phosphate ester additive with a broad application spectrum

Hordaphos® MOB

Hordaphos MOB is a multi-functional additive for various applications, especially for printing inks, paints and coatings. It is a clear, colourless to yellowish liquid with an ester-like odour.

For more details see our Video about Hordaphos.

  • Excellent softening abilities for printing inks


For regulatory details such as the classification and labelling as dangerous substances or goods please refer to our corresponding Material Safety Data Sheet.
Hazard class Hazard category H-phrases
Skin corrosion Category 1B Causes severe skin burns and eye damage
Category of danger/Category Hazard symbol R-phrases
Corrosive Causes burns
Characteristics   Unit   Target value   DS¹)TD²)Test method 
clear, colourless to yellowish liquid

Visual evaluation
Phosphorus%(w/w)   19.6 - 20.6  

Photometry after oxidizing dissolution; (11/17) or wavelength dispersive X-ray fluorescence spectrometry; (11/23)  
Density  g/cm³   1.22 - 1.26  

at 20 °C, DIN 51757; (11/65)  
Dynamic Viscosity  mPa*s   approx. 900  

at 20 °C  
pH Value   approx. 1.5  

at 20 °C (10 g/l H2O)  
Acid Number  mg KOH/g   630 - 680  

ISO 2114 at pH 9-10; (11/11)  
¹) The product is constantly monitored to ensure that it adheres to the specified values. Test methods: Clariant method numbers 11/xx in brackets.
²) The technical data are used solely to describe the product and are not subject to constant monitoring.  

Hordaphos MOB is used as a pickling and anchoring agent for the application of paints and as a hardener for acid-curing paint systems. In printing inks Hordaphos MOB acts as flexibilizer. Furthermore, it is used as antistaticum and dispersing agent. Hordaphos MOB also acts as rinse aid.

Packaging and Handling
Delivery form

Hordaphos MOB is supplied in 60 kg net tight head drums (480 kg net pallets), 200 kg net tight head drums (800 kg net pallets) or 1,200 kg net containers.

Hordaphos MOB must be stored in its tightly closed original container in a cool frost-free place away from direct sunlight. 

Minimum shelf life is 12 months from the date of shipping when stored according to the said conditions.

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Hordaphos® MOB

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