25mm 38mm 50mm 76mm Ceramic Pall Ring for Rto Media

25mm 38mm 50mm 76mm Ceramic Pall Ring for Rto Media  Ceramic pall ring is a open-hole ring packing, which high and diameter is the same and with 5 ligules toward inside at every floor. Usually the open surface is 30% of the whole wall surface, this character helps the liguid & gas pass in packing tower pass freely from the windows of the rings.   Model:Ceramic Pall  RingShape: RingColor:Light Grey Chemical compositionSiO2Al2O3Fe2O3CaOK2O+Na2O >70%23-30%