German Technical Background VOK-1785 Defoamer Thin to Thick Coating System Applicable to Airless Spraying or Air Spraying Construction Replaces BYK-1785

German technical background VOK®- DF 1785 Defoamer

VOK®- DF 1785 Defoamer for water-based system containing organic silicon to remove micro bubbles generated during construction of thin to thick coating system

Product Information

Chemical composition

Polyether modified polydimethylsiloxane lotion containing hydrophobic particles

Typical Physicochemical Data The data given on this data page are only typical values, not technical indicators of the product.

Active substance: 30% density (20 ° C): 1.00 g/ml Solvent: water

Storage and transportation

Storage and transportation between 0 ° C and 40 ° C. Temperature sensitive lotion. If the storage temperature exceeds the recommended range, the product shall be tested before use.

Application information

Coating industry

Features and Benefits

VOK®- DF 1785 is an auxiliary agent for water-based system, which can be used for thin to thick coating system of airless spraying or air spraying construction. It is also suitable for roller coating or brush coating. The additive can well remove the micro bubbles in the paint without affecting the transparency or gloss of the high gloss system. VOK®- DF 1785 does not contain APEO and can be used in paint systems or varnishes.

Recommended Applications

Architectural coatings

Wood and furniture coatings

Anticorrosive coating

Industrial coatings

Recommended dosage

0.3-1% auxiliary dosage (purchase form) is based on the general formula, and can be added to 1.5% in exceptional cases.

The above data are empirical dosage, and good dosage shall be determined through a series of tests.

Addition method and processing guidance

The additive shall be added at the paint mixing stage with medium shear force. It can also be added to the abrasive.