25mm 38mm 50mm ceramic pall rings

chemical industrial distillation column random tower packing 25mm 38mm 50mm ceramic pall rings Technical Parameter: Model: Pall  Ring Shape: Ring Color: Light Grey   Chemical composition SiO2 Al2O3 Fe2O3 CaO K2O+Na2O   >70% 23-30% <1% <1-2% <2-4%   Technical d…