Magnetic recording media having a low coefficient of friction

摘要

Magnetic recording media comprising a base and, applied thereto, at least one firmly adhering magnetic layer based on magnetic particles dispersed in a mixture of organic binders, wherein at least the uppermost magnetic layer additionally contains non-magnetic particles of precipitated silica having a primary particle diameter of from 0.02 to 0.1 mu , a secondary particle diameter of from 2 to 4 mu and a pH of from 5 to 8.