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Help CenterGerman Technical Background VOK-W966 Wetting Dispersant Improving the Wetting and Dispersion of Mineral Fillers Replaces BYK-W966
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German technical background VOK ®- Disper W996 Wetting Dispersant
VOK ®- Disper W996 Wetting and Dispersing Agent for Unsaturated Polyester and Epoxy Filler Systems
Product Information
Chemical composition
Copolymer solution containing acid group
Typical Physicochemical Data
The data given in this data page are only typical values, not technical indicators of the product.
Acid value: 71 mg KOH/g
Density (20 ° C): 1.04 g/ml
Refractive index (20 ° C): 1.462
Water content: 0.13%
Non volatile matter (10 min., 150 ° C): 52%
Flash point:>40 ° C
Storage and transportation
Delamination or turbidity may occur. Heat to 30-40 ° C and mix thoroughly before use.
Application field
SMC, BMC, pultrusion
Product features and advantages
General purpose, economical wetting and dispersing additives can be used in almost all closed mold applications. It is very effective in highly filled aluminum hydroxide (ATH) system. If you need to use a high amount of additives, you can match this product with VOK ®- Dispatch W9010 (1:1) is used.
Recommended use
Low profile and Class A surface formula
Low shrinkage formula
Epoxy system
Pultrusion forming
Stable viscosity in BMC
Recommended dosage
1-2% dosage of additives (purchased form) is based on the amount of filler and used for wetting and dispersion.
0.5-2% of auxiliary dosage (purchased form) is based on resin quantity and used to stabilize viscosity in BMC.
The above recommended dosage is for reference, and the appropriate dosage shall be determined through a series of tests.
Adding method and processing guidance
VOK ®- Disper W996 shall be added to the resin mixture before uniformly mixing and adding filler.
Adhesives and Sealants
Product characteristics and advantages General purpose, economical wetting and dispersing additives, used in adhesive and sealant applications. It is very effective in highly filled aluminum hydroxide (ATH) system. The additive can improve the wettability and dispersion of mineral filler. The viscosity of the system is lower, thus increasing the filler content. If you need to use a high amount of additives, you can match this product with VOK ®- Dispatch W9010 (1:1) is used.
Recommended use
The additive is especially recommended for epoxy resin type adhesives.
Recommended dosage
1-2% of the amount of additives (purchased form) is based on the amount of filler.
The above recommended dosage is for reference, and the appropriate dosage shall be determined through a series of tests.
Adding method and processing guidance
In order to obtain good performance, the additive should be added before adding solids.
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