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Specifications
Ceramic Pall RingSize:25mm 38mm 50mm 80mm
Good Acid & Alkali Resistance
Ceramic Pall Ring
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Introduction:
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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.??
Technical data
Spec. | D*H*T(mm) | Surface area (m2/m3) | Free volume (%) | Number per m3 | Bulk density (Kg/m3) | Dry Packing Factor(m-1) |
? 25 | 25*25*3 | 220 | 73 | 54000 | 620 | 565 |
? 38 | 38*38*4 | 150 | 75 | 13400 | 570 | 356 |
? 50 | 50*50*5 | 120 | 78 | 6800 | 550 | 252 |
? 80 | 80*80*8 | 75 | 80 | 1950 | 520 | 146 |
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Chemical composition
SiO2 | Al2O3 | Fe2O3 | CaO | K2O+Na2O |
>70% | 23-30% | <1% | <1-2% | <2-4% |
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?Physical properties
Index | Value |
Specific gravity(g/cm3) | 2.25-2.35 |
Water absorption(%) | <0.5 |
Acid-resisting strength, %Wt. Loss (ASTMc279) | <4 |
Firing temperature(Degree C) | 1280-1320 |
Softening point( Degree C) | >1400 |
Density(kg/m3) | 2350 |
