Various bulk packing: Raschig ring, spiral ring, cross clapboard ring , pall ring, rectangle saddle ring PropertiesProductCompressive strength P(N/mm) Water absorption A(%) ... 300Various bulk packing: Raschig ring, spiral ring, cross clapboard ring , pall ring, rectangle saddle ring, unusual saddle ring, cascade ring, torus ring , keel ring , conjugation ring. Ceramic corrugated packing surface ...