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Help CenterGerman Technical Background VOK-A501 Defoamer No Organic Silicon, Used for Unsaturated Polyester Resin Replaces BYK-A501
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German technical background VOK ®- DF A501 defoamer
Without organic silicon, is used for unsaturated polyester resin, especially for polyurethane and epoxy systems.
Product Information
Chemical composition
Polyolefin solution
Typical Physicochemical Data
The data given in this data page are only typical values, not technical indicators of the product.
Density (20 ° C): 0.89 g/ml
Refractive index (20 ° C): 1.500
Flash point: 46 ° C
Chromaticity value:
Application field
Room temperature curing system
Product features and advantages
VOK ®- DF A501 is an efficient defoamer, which is used in almost all unsaturated polyester resins and processing technologies, and also recommended for epoxy resin systems.
Recommended use
Especially recommended for unsaturated polyester resin, epoxy resin, gel coat and casting system.
Recommended dosage
The dosage of 0.1-0.5% additives (purchased form) is based on the general formula.
The above recommended dosage is for reference, and the appropriate dosage shall be determined through a series of tests.
Adding method and processing guidance
The additive is added to the resin, and then other components are added. In some resins, defoamers may cause fogging of the finished product.
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