AERODISP® W 7520 N by Evonik is an aqueous dispersion of fumed silica. Exhibits low viscosity and thickening effect. Possesses slightly alkaline pH. Stabilizes emulsions. Offers anti-blocking, anti-slip and adhesion promotion properies. Shows improved surface properties for cleaning, polishing and coating of metals, paper, textiles etc. AERODISP® W 7520 N offers improved optical properties of wood stains. Enhances anti-blocking effect in PET-film. Applications include varnishes and ink-jet paper coatings.
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