Ceramic raschig ring

Physical properties of Ceramic raschig ringItem of Ceramic raschig ringValueWater absorption<0.5%Apparent porosity (%)<1Specific gravity2.3-2.35Operation temp.(max)1000Mohs hardness>6.5 scaleAcid resistance>99.6%Alkali resistance>85%Chemical composition of Ceramic raschig ringAl2O3SiO2Fe2O3CaOMgOK2O + Na2OOther17-23%>70%<1.0%<1.%<0.5%<3.5%<1%Dimension and other physical properties of Ceramic raschig ringSizes (mm)Thickness (mm)Surface area (m2/m3)Free volume (%)Number per m3Bulk density (kg/m3)Packing factor ( m-1)6 × 61.6712623022935961524912.5 ×12.52.436764377867881190316×16230573192 50073090019×192.42437210912280183725×253.2190744767567350838×384.8121731366768931240×404.51267512700057735050×504.593816 00045722050×506.49274579265721380×809.546801910714280100×1001070701000700172