German technical background VOK-1780 Defoamer Suitable for water-based printing ink replaces BYK-1780
CNY 140 - 160 /Kilogram
Min.Order:25 Kilograms
Guangzhou Situyuan Chemical Co., Ltd
German technical background VOK®- DF 1780 Defoamer
VOK®- DF 1780 Defoamer for water-based system containing organic silicon to remove micro bubbles generated during construction of thick coating system
Product Information
Chemical composition
Polyether modified polydimethylsiloxane containing hydrophobic particles
Typical Physicochemical Data
The data given in this data page are only typical values, not technical indicators of the product.
Active substance: 100%
Density (20 ° C): 1.00 g/ml
Flash point: 87 ° C
Storage and transportation: closed container after use.
Coating industry
Features and Benefits
VOK®- DF 1780 has good effect on water-based systems, especially for airless spraying or air spraying thick coating systems. The additive can well remove the micro bubbles in the paint without affecting the transparency or gloss of the high gloss system. VOK ®- DF 1780 is solvent free 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. The above data are empirical dosage, and good dosage shall be determined through a series of tests.
Addition method and processing guidance
In order to ensure good dispersion of defoamer and prevent shrinkage cavity, high shear force must be fully guaranteed during the adding process.
Printing ink
Features and Benefits
VOK®- DF 1780 is especially suitable for water-based printing ink, varnish and water-based radiation curing printing system.
Recommended dosage
The dosage of 0.2-1.0% additives (purchased form) is based on the general formula.
The adding method and processing guidance must fully guarantee the high shearing force in the adding process.