Precipitated silica

摘要

The precipitated silica has the following physico-chemical parameters:Size distribution indexThis precipitated silica is prepared by milling a precipitated silica in accordance with DE-A 31 44 299 in a classifier mill or a fluidized bed counter-flow mill. A polyethylene wax emulsion may be added before the milling procedure. The precipitated silica then has the following physico-chemical parameters:The precipitated silicas may be used as matting agents in lacquer systems.