
A high coercivity magnetic oxide particle used in video and audio tapes for recording shorter wavelengths.
Chromium dioxide is a highly acicular particle with the crystal structure of rutile. Tapes made with CrO 2 exhibit a coercivity of 425 to 475 Oersteds.
The National Film and Sound Archive of Australia acknowledges Australia’s Aboriginal and Torres Strait Islander peoples as the Traditional Custodians of the land on which we work and live and gives respect to their Elders both past and present.