Dfoam AR2
Antifoam for Aqueous Systems
Antifoams are used in many aqueous-based formulations where a build-up of foam may be a problem. Many systems already contain surfactants or dispersing agents which tend to foam to a certain degree. In mechanical or agitated systems foaming can be an issue, so the incorporation of an antifoam during processing will help to significantly reduce the problem.
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Dfoam AR2 is designed for aqueous dispersions.
Key Features
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Powerful antifoam properties
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Silicone free
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APE free
Typical Application Examples
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Paper treatment
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Paints
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Adhesives
Applications
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Dfoam AR2 has been designed for use in all aqueous dispersions such as pigments and inorganic powders. With increased antifoam properties compared to Dfoam AX1, its specifically suitable for lower viscosity systems. Most dispersion preparations are made under agitation, Dfoam AR2 helps to prevent foam build-up during production.
Specification
Appearance at 25°C
Hazy pale straw liquid free from foreign matter
Water content %
1 max
Saponification value mg.KOH/g
15 - 19
pH (5% aqueous)
6.0 - 8.0
Typical Properties
Composition
White oil based antifoam
pH (1% aqueous)
6.0 - 8.0
Pour point °C
<0
Active content %
100
Viscosity at 25°C (cP)
20
Freeze thaw stable
Yes
Odour
Mineral oil
Density at 25°C g/cm3
0.88
Typical Addition Levels
Paints %
0.2 - 0.5
Adhesives %
0.5 - 1
Pigment dispersions %
0.1 - 0.5