RK-4153
Product Performance and Advantages.
RK-4153 is a general-purpose dispersant for dry PU color chips. It does not belong to alkyl phenol surfactants, and shows excellent grinding and dispersing performance for acidic surface carbon black and organic pigments, and it can increase the amount of toner added in the formula of color pastes, and at the same time, it has low viscosity, good fluidity and storage stability.
Physical Properties:
Appearance (visual inspection) | Non-volatile components | Chromaticity (Gardner) | densities | flash point | |
RK-4153 | Yellow viscous liquid | 98±2% | < 5 | 0.95g/cm | 188℃ |
Recommended dosage formula:
Amount of dispersant (g) = [Specific surface area of pigment (m2/g) ÷ 500] × weight of pigment (g)
Pigment Type | Organic pigment | Carbon black | Inorganic pigment |
Dispersant dosage (100% active content) | 7-20% | 10-30% | 0.5-5% |
Method of use:
Dissolve RK-4153 in the grinding base mixture first, then add pigment for grinding.
Reference formula (dry PU color paste).
RK-4153 2.5
cyclohexanone(CY) 24.75
methyl ethyl ketone(MEK) 24.75
Carbon black 18.0 (Mitsubishi MA-7)
PU resin 30.0 (Dry PU)
overall amount 100.0
Storage conditions and shelf life:
1, Keep away from high temperature and fire source, place in a ventilated and cool place;
2、Please seal it after use;
3, Shelf life 36 months.
Packing specification:
Net weight 25Kg/drum, 200 Kg/drum.