Non-asbestos Casting Ring Liners I

- IR and WDX analyses of liners and classification into sub groups -

Abstract

This study classified non-asbestos casting ring liners using IR (ATR-method) and WDX spectra. Fifteen non-asbestos casting ring liners and three asbestos ribbons were used. Non-asbestos casting ring liners were classified into five groups by IR spectra. Detected elements were Ca, Si, Al and Mg in A group, Al, Si, Ca, K and Mg in B group, Al and Si in C group, Al, Si, Ca or Zr in D group and Al, Si and Fe in E group. Asbestos ribbons consisted of Si, Mg and Fe. We identified A group as a rock-wool type, B group as a low temperature ceramic fiber type, C group as a standard ceramic fiber type, D group as a low temperature or standard ceramic fiber type and E group as a kaolin type.