The material selection platform
Coatings Ingredients
The material selection platform
Coatings Ingredients
by SpecialChem
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Celatom® MW-25

Technical Datasheet | Supplied by EP Minerals
Flux-calcinated diatomaceous earth. Acts as a pigment extender and flatting agent. Controls the gloss and sheen, extends primary pigments. Adds bulk and strength, increases the permeability as well as enhances the coating adhesion. It will extend expensive pigments and will reduce costs without sacrificing quality. By substituting Celatom DE for titanium dioxide pigments (for example) at up to 10% by volume, the more expensive TiO2 can be extended without loss of hiding or tinting strength. The diatoms in Celatom functional additives contain about 85% internal porosity, which increases the permeability of the paint film. Increased permeability allows the paint vehicle to rapidly volatilize so the paint dries quickly and uniformly. This produces a more durable coating with reduced blistering and peeling. Besides providing sheen control. Also increases the coating durability and toughness. Other advantages include improved sanding properties, better touch-up properties, increased night reflectivity in traffic paints, mechanical "tooth" for improved adhesion of subsequent coats.
Product Type
Fillers / Fibers > Diatomaceous Earthes
Chemical Composition
Flux calcinated diatomite earth
Product Status
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