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"Packing Mall" Ceramic Rasching Ring has excellent acid resistance and heat resistance, can be used in high or low temperature conditions.
It can resist to corrosion of various inorganic acids, organic acids and organic solvents except hydrofluoric acid.
Chemical analysis for ceramic rasching ring
Al2O3 | 17-23% |
SiO2 | >70% |
Fe2O3 | <1.0% |
CaO | <1.5% |
MgO | <0.5% |
K2O + Na2O | <3.5% |
Other | <1% |
Physical properties for for ceramic rasching ring
Item | Value |
Water absorption | <0.5% |
Apparent porosity (%) | <1 |
Specific gravity | 2.3-2.35 |
Operation temp.(max) | 1000℃ |
Moh's hardness | >7 scale |
Acid resistance | >99.6% |
Geometric Characteristic Data for ceramic rasching ring
Size (mm) | Surface area (m2/m3) | Free volume (%) | Numbers per m3 | Bulk density (kg/m3) |
16*2 | 305 | 73 | 192500 | 690 |
25*3 | 190 | 78 | 49000 | 550 |
40*4 | 126 | 75 | 12700 | 580 |
50*5 | 93 | 81 | 6000 | 550 |
80*10 | 90 | 68 | 1910 | 700 |



Metal Wire Gauze Structured Packing Material: SS304, 316L, 410 etc |
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| Metal Perforated Plate Corrugated Packing Material: SS304, 316L, 410 etc |
Ceramic Structured Packing Specification: 125Y, 250Y, 350Y, 450Y etc |
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