CP-257 is a new style of organoclay rheological additive made from bentonite. It is used in solvent and resin systems covering low polarity to high polarity range.

Typical properties

CompositionOrganic derivative of a montmorillonite clay
AppearanceFine powder, light yellow
Moisture content (105 Degree, 2hr)Max. 3.5%
Viscosity, mPa. S
Loss on ignition max, %(1000 Degree)40-43
Bulk density0.42-0.45 g/cm3
Fineness (<74um, %)Min. 99%

Application
Paints including top grades paint, decorative paint, industrial paint.
Grease, especially recommended in greases based on synthetic oils such as vegetable oil and polyester oil etc.
Inks.
Cosmetics.
Sealants and adhesive.

Using
It can be added directly in powder under high shear condition. Addition level is commonly 0.1%~1.0% (7%-10% in greases) of total formulation by weight. In low and medium solvents, Polar activator is required to achieve better performance.