Emulsogen EPA 073
Emulsogen EPA 073 is used as anionic emulsifier for the emulsion polymerization of monomers like pure acrylic, styrene-acrylic acid esters and vinyl acetate.

The use of Emulsogen EPA 073 offers the following advantages:

Product properties:

low VOC
free of alkylphenol ethoxylates (APEO)
readily biodegradable
easy to handle
FDA approved

Performance in emulsion polymerization:

improved stability of the monomer emulsion
low coagulum formation during polymerization
control of particle size of the polymer dispersion
improved viscosity of the polymer dispersions

Performance in paint binders: increases the tinting strength of tinted emulsion paint

Product group:     Sulfate ester
Active content:    approx. 30%
Appearance:    clear, colorless liquid
pH value:    approx. 7
Solubility:    soluble in water
Density:    approx. 1.05 g/cm3 at 20°C
Viscosity:    approx. 40 mPas 
Boiling point:    approx. 100 °C
Flash point:    > 100 °C
Electrolyte content:    < 0.5%

Anionic emulsifier, wetting and dispersing agent
Composition Alkyl polyethylene glycol ether sulphate with 7 mole ethylene oxide, sodium salt
Product properties 
Active substance content: About 28% in water
At 5°C:Clear, colourless liquid
at 20°C: Clear, colourless liquid
at 45°C:Clear, colourless liquid
pH value (DIN EN 1262), 1% in water: About 7.0
Solubility at 20°C: Soluble in water
Density (DIN 51757) At 20°C: about 1,05 g/cm3
At 50°C: about 1,03 g/cm3
Viscosity (Hoeppler) at 25°C: About 40 mPa*s
Boiling point: About 100°C
Flash point: > 100°C
Electrolyte content: < 0,5%
Surface Activity and CMC At 5 g/l active substance in water: About 38 mN/m
Critical micelle concentration: About 1 g/l active substance
Naturally derived carbon content:  None

Emulsogen® EPA 073 is an anionic surfactant for industrial applications like the following:
Emulsion Polymerization
Emulsogen® EPA 073 is used as an emulsifier for emulsion polymerization of monomers like styrene, acrylic acid esters, methacrylic acid esters and vinyl acetate. The use of
 Emulsogen® EPA 073 offers the following advantages:
— production of polymer dispersions with controlled particle size
— very low grit levels at high solid contents.
Usage levels: 0,5 – 5,0 % based on monomers.
Pigment Preparations
Emulsogen® EPA 073 is used as a wetting agent for inorganic and organic
pigments in preparations
— at high pigment loads
— at low viscosity
— high temperature stability and shelf life.
Usage levels: 15 – 80 % based on the pigments.
Emulsions of solvents, oils and waxes in water
Emulsogen® EPA 073 produces stable, low foaming emulsions of organic solvents, hydrocarbons, oils and waxes in water.
Usage levels: 1 – 20 g/l Emulsogen® EPA 073 in the emulsion.
Storage and Shelf Life
Please keep the product in a dry and clean place. When the product has cooled down to less than 5°C, please heat it up to 25°C – 30°C, after stirring it is ready
to use again. The shelf life is at least two years when stored in tightly closed containers at 20-25°C in a clean and aerated place. After this period the product
should be analyzed for extension of the shelf life.
Product is containing 5 ppm a mixture of 5-Chloro-2-Methyl-2H-Isothiazol-3-one and 2-Methlyl-2H-Isothiazol-3-one (3:1)
Please see Material Safety Data Sheet before handling the material

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