🡨 Menu
🡨 Go Back
🡨 Go Back
🡨 Go Back
Properties of fibre for dry filtration
| Fibre Type | Cotton | Polypropylene | Polyester | Homopolyme r Acrylic | Nomex | Ryton | Glass Fibre | PTFE | Nylon |
| Polymetaphylene Isophtalamide | (PPS) | ||||||||
| Temperature Limit (°C) | 82 | 90 | 130 | 130 | 200 | 190 | 260 | 260 | |
| Water Vaporer Saturated Condition Moist Heat °C | 82 | 90 | 94 | 130 | 177 | 190 | 260 | 260 | |
| Max (Short Time | 94 | 107 | 150 | 150 | 240 | 232 | 290 | 290 | |
| Operation Tem °C (Dry Heat) | |||||||||
| Specific Density | 1.5 | 0.9 | 1.34 | 1.17 | 1.38 | 1.38 | 2.54 | 2.3 | |
| Relative Moisture Regain in % | 8.5 | 0.1 | 0.4 | 1 | 4.5 | 0.6 | 0 | 0 | |
| Support Combusion | Yes | Yes | Yes | Yes | No | No | No | No | |
| Resistance To Acid | |||||||||
| Hydrochloric Acid | N/A | Good | Good | Good | N/A | Good | Fair | Good | N/A |
| Sulfuric Acid | N/A | Good | Fair | Good | N/A | Fair | Fair | Good | N/A |
| Nitric Acid | N/A | Good | Fair | Good | N/A | Fair | Fair | Good | N/A |
| Chromic Acid | N/A | Good | Good | Good | N/A | N/A | Good | Good | N/A |
| Aqua Regia | N/A | Good | Fair | Good | N/A | N/A | Good | Good | N/A |
| Acetic Acid | Good | Good | Good | Good | Fair | Good | Good | Good | N/A |
| Formic Acid | Fair | Good | Good | Good | Fair | Good | Good | Good | N/A |
| Resistance To Alkali | |||||||||
| Aluminium Hydroxide | Fair | Fair | N/A | Fair | Fair | Good | Good | Good | Fair |
| Sodium Hydroxide | Good | Good | N/A | Fair | Fair | Good | N/A | Good | Fair |
| Potassium Hydroxide | Good | Fair | N/A | N/A | Fair | Good | N/A | Good | Fair |
| Fibre Type | Cotton | Polypropylene | Polyester | Homopolyme r Acrylic | Nomex | Ryton | Glass Fibre | PTFE | Nylon |
| Polymetaphylene Isophtalamide | (PPS) | ||||||||
| Resistance To Salt | |||||||||
| Calcium Chloride | Good | Good | Good | Good | Fair | N/A | Fair | Good | Not Recommended |
| Calcium Chloride | Good | Good | Good | Good | Good | Fair | Good | Good | |
| Zinc Chloride | Fair | Good | Not Recommended | Fair | Fair | N/A | Fair | Good | Not Recommended |
| Resistance To Oxiding Agent | |||||||||
| Hydrogen Peroxide | Good | Good | Fair | Good | N/A | N/A | Good | Good | Fair |
| Sodium Hypochlorite | Fair | Not Recommended | Good | Good | Fair | Fair | Not Recommended | Good | Fair |
| Chlorine | Fair | Not Recommended | Fair | Fair | Not Recommended | Not Recommended | Not Recommended | Good | Not Recommended |
| Fluorine | Not Recommended | Good | Fair | Fair | N/A | N/A | Not Recommended | Good | Not Recommended |
| Resistance To Organic Solvent | |||||||||
| Acetone | Good | Fair | Good | Good | Good | Good | Good | Fair | Good |
| Carbon Tetrachloride | Good | Fair | Good | Good | Good | Good | Good | Good | Good |
| Ethyl Alcohol | Good | Good | Good | Good | Good | Good | Good | Good | Good |
| Methyl Ethyl Ketone | N/A | Fair | Good | Good | Good | N/A | Good | Good | Good |
| Tri-Chloro Ethylene | Good | Fair | Good | Good | Good | N/A | Good | Good | Good |
| Toluene | Good | Not Recommended | Good | Good | Good | Fair | Good | Good | Good |
| Ethylene Glycol | N/A | Good | Good | Good | Good | N/A | Good | Good | Good |
| Resistance to Mineral Oil | Good | Good | Good | Good | Good | Good | Good | Good | Good |