25mm, 38mm, 50mm, 80mm Ceramic Pall Ring Packing

You are here: Home>>Product Categories>>Ceramic Tower/Random Packing>>25mm, 38mm, 50mm, 80mm Ceramic Pall Ring Packing 25mm, 38mm, 50mm, 80mm Ceramic Pall Ring Packing Product Description 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.   Ceramic pall ring has excellent acid resistance and heat resistance. It can resist to corrosion of various inorganic acids, organic acids and organic solvents except hydrofluoric acid, and can be used in high or low temperature conditions.   Application The packing can be used in the drying columns, absorbing columns, cooling towers, scrubbing towers and actifier columns in chemical industry, metallurgy industry, coal gas industry, oxygen producing industry, etc.   Chemical Composition for Ceramic Pall Ring

Al2O3	17-23%
SiO2	>70%
Fe2O3	<1.0%
CaO	<1.5%
MgO	<0.5%
K2O + Na2O	<3.5%
Other	<1%

  Physical Properties for Ceramic Pall Ring

Item	Value
Water absorption	<0.5%
Apparent porosity (%)	<1
Specific gravity	2.3-2.35
Operation temp.(max)	1000°C
Moh's hardness	>7 scale
Acid resistance	>99.6%

  Geometric properties for Ceramic Pall Ring

Sizes (mm)	Thickness (mm)	Surface area (m2/m3)	Free volume (%)	Number per m3	Bulk density (kg/m3)
25	3	210	73	53000	580
38	4	180	75	13000	570
50	5	130	78	6300	540
80	8	110	81	1900	530

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