... lines including the 1700°C high temperature tunnel kiln, cool isostatic pressing ball forming machine and the ... Φ25mm, Φ30mm, Φ40mm ,Φ50mm, Φ60mm, Φ70mm.Alumina grinding ball, high alumina content, Technical Specifications Product Series90 Series92 Series95 Series97 SeriesAl2O3 ... packingCatalyst bed supportColumn internalsCatalyst carrier High alumina grinding ball (alumina bead balls, alumina oxide ...