Various bulk packing: Raschig ring, spiral ring, cross clapboard ring , pall ring, rectangle saddle ring PropertiesProductCompressive strength P(N/mm) Water absorption A(%)Acidproof degree RA(%) Temp. saltus T() Porcelain≥4.4 ≤0.5 ≥98 ≥150Stoneware≥4.4≤3 ≥92≥300Various bulk packing: Raschig ring, spiral ring, cross clapboard ring , pall ring, rectangle saddle ring, unusual saddle ring, cascade ...