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Help CenterGerman Technical Background VOK-W961 Wetting Dispersant Polyurethane System for Mineral Filling Replaces BYK-W961
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German technical background VOK ®- Disper W961 Wetting Dispersant
VOK ®- Disper W961 is a wetting and dispersing agent used to prevent sedimentation in room temperature curing resin systems. Especially for polyurethane system filled with mineral.
Product Information
Chemical composition
Alkyl ammonium salt solution of polycarboxylic acid
Typical Physicochemical Data
The data given in this data page are only typical values, not technical indicators of the product.
Amine value: 60 mg KOH/g
Acid value: 60 mg KOH/g
Density (20 ° C): 0.95 g/ml
Solvent: propylene glycol
Flash point: 108 ° C
Active substance: 100%
Storage and transportation
When the temperature is lower than 10 ° C, stratification or turbidity may occur.
Application field
Room temperature curing resin system
Product features and advantages VOK ®- Disper W961 is an anti settling additive, especially recommended for polyurethane systems filled with minerals. When propylene glycol is used as the solvent of the auxiliary active substance, it will cross link with isocyanate during curing.
Recommended dosage
0.5-1.5% dosage of additives (purchased form) is based on 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.
Adhesives&Sealants
Product features and advantages
VOK ®- Disper W961 is an anti settling additive, especially recommended for polyurethane systems filled with minerals. When propylene glycol is used as the solvent of the auxiliary active substance, it will cross link with isocyanate during curing.
Recommended dosage
0.5-1.5% of auxiliary dosage (purchased form) is based on 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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