German technical background Volcker VOK ®- DF 025 silicone defoamer 

Is used for water-based high gloss lotion system and adhesive system. Excellent compatibility, easy to add.

Product Information

Chemical composition

Foam breaking polysiloxane solution

Typical Physicochemical Data

The data given in this data page are only typical values, not technical indicators of the product.

Density (20 ° C): 0.96 g/ml

Non volatile matter (60 min., 105 ° C): 18.5%

Solvent: dipropylene glycol monomethyl ether

Flash point: 76 ° C

。

Storage and transportation

When the temperature is lower than 5 ° C, the product may be stratified or turbid. After delamination, heat it to 20 ° C and stir it evenly before use.

Application field

Coating industry

Product features and advantages

VOK ®- DF 025 is recommended for defoaming of colourless acrylate/polyurethane and polyurethane high gloss lotion systems. This antifoaming agent is especially recommended for spray coating construction, because it is easy to add, and when the coating is running on the curtain shower, it is allowed to add later to optimize the dosage.

Recommended dosage

0.1-1.5% auxiliary dosage (purchase form) is based on the general formula.

The above recommended dosage is for reference only, and the appropriate dosage shall be determined through a series of tests.

Adding method and processing guidance

The additive can be added at any stage of production. The amount of defoamer can be added twice (2/3 of the amount is added to the abrasive, and 1/3 of the amount is added in the paint mixing stage or after the completion).

an adhesive

Product features and advantages VOK ®- DF 025 is a highly compatible defoamer, especially suitable for sensitive water-based adhesive systems.

Recommended dosage

0.05-1% auxiliary dosage (purchased form) is based on the total formula.

The above recommended dosage is for reference only, and the appropriate dosage shall be determined through a series of tests.

Adding method and processing guidance

The additive can be added at any time of production. The defoamer is easy to add, so the dosage can be optimized by adding it later.