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Help CenterDISPERSANT 163 for Car Paint or Oil System
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HY CHEMICAL (KUNSHAN) Co.,LTD
DISPERSANT 163
Wetting and dispersing additive for solvent-borne coatings and pigment concentrates.
Stabilizes pigments of all types. Broad compatibility for all-purpose solvent-borne pigment
concentrates on the basis of aldehyde and acrylate grinding resins.
Product Data
Composition：Solution of modified polyurethane
Typical Properties
The values indicated in this data sheet describe typical properties and do not constitute specification limits.
Amine value: 10 mg KOH/g
Density (20 °C): 0.99 g/ml
Non-volatile matter (20 min., 150 °C): 45%
Solvents: Xylene/Butylacetate/Methoxypropylacetate 3/1/1
Flash point: 28 °C
Storage and Transportation
Separation or turbidity may occur at temperatures below 0 °C. Warm to 20 °C and mix well.
Special Note
The after-treatment of some organic pigments may negatively affect the efficiency of the additive. In such cases,
tests with the untreated pigment of the same type may be successful. When used in coil coatings, the interaction
of this cationic additive with the acid catalyst must be taken into account. Amine-blocked acids are less suitable
than free acids or epoxy-blocked acids. This problem can be avoided by using additives from the DISPERBYK-170
product line.
Applications ：Coatings Industry
Special Features and Benefits
The additive deflocculates pigments and stabilizes them by means of steric hindrance. It provides equal electrical
charge to the pigment particles. The resulting repulsion and the steric stabilization prevent a possible co-flocculation,
which leads to flood and float-free color in pigment mixtures. The deflocculating properties of the additive increase
gloss, color strength, transparency, and hiding power and reduce the viscosity of the millbase.
Recommended Levels
Amount of additive (as supplied) based upon pigment:
Inorganic pigments: 15-20%
Titanium dioxide: 4-5%
Organic pigments: 30-60%
Carbon blacks: 80-100%
ADD：Block 5-1, Lide Enterprise Park, Huaqiao Town, Kunshan, Jiangsu Province, China
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