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Help CenterGerman Technical Background VOK-182 Wetting Dispersant Improve Color Intensity, Transparency or Hiding Power Replaces BYK-182
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German technical background VOK ®- Disper 182 Wetting Dispersant
VOK ®- Disper 182 is a wetting and dispersing agent for water-based and solvent based paint systems and printing inks. It can be used for all pigment concentrates from non-polar to water-based systems.
Product Information
Chemical composition
Modified polyurethane solution
Typical Physicochemical Data
The data given in this data page are only typical values, not technical indicators of the product.
Amine value: 13 mg KOH/g
Density (20 ° C): 1.03 g/ml
Non volatile matter (20 min., 150 ° C): 43%
Solvent: propylene glycol methyl ether acetate/dipropylene glycol methyl ether/butyl acetate 7/4/4
Flash point: 38 ° C
Special reminder
The surface treatment of some organic pigments will have a bad effect on the performance of the additive. In this case, the same type of untreated pigment can be used.
Application field
Coating industry
Product features and advantages
VOK ®- Disper 182 enables pigment to deflocculate through steric stabilization. Because the particle size of the deflocculating pigment is small, it can obtain high luster, enhance color strength, and improve transparency or hiding power. Due to the reduction of viscosity, the flowability is improved and the content of pigment can be increased.
Recommended use
VOK ®- Disper 182 is widely used for solvent based and water-based systems. It can be used alone or with VOK ®- Disper 108 is used together to produce an economical solvent based pigment concentrate.
Recommended dosage
Additive dosage (purchase form) is based on pigment:
Inorganic pigment: 15-20%
Titanium dioxide: 4-5%
Organic pigment: 30-60%
Carbon black: 80-100%
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, additives must be added to the grinding material first, and then the pigment. Premix the resin and solvent components in the abrasive, and then slowly add VOK in the stirring state ®- Disper 182。 Pigments can only be added after the auxiliaries are completely dispersed and uniform.
Printing ink
Product features and advantages
VOK ®- Disper 182 enables pigment to deflocculate through steric stabilization. Because the particle size of the deflocculating pigment is small, it can obtain high luster, enhance color strength, and improve transparency or hiding power.
Due to the reduction of viscosity, the flowability is improved and the content of pigment can be increased.
Recommended use
VOK ®- Disper 182 is widely used for solvent based and water-based systems. It can be used alone or with VOK ®- Disper 108 is used together to produce an economical solvent based pigment concentrate.
Recommended dosage
Additive dosage (purchase form) is based on pigment:
Titanium dioxide: 2.5-5%
Organic pigment: 7-13%
Carbon black: 7-13%
The 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, additives must be added to the grinding material first, and then the pigment. Pre mix the resin and solvent components in the abrasive, and then slowly add the auxiliary agent in the stirring state. Pigments can only be added after the auxiliaries are completely dispersed and uniform.
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