Primary Fibre | Abbreviation | Trade Name | Fiber Manufacturer | Fabric Manufacturer | Operating Temperature Limit (oC) | Surge Temperature (oC) | Resistance to Hydrolysis | Restistance to Acids | Resistance to Alkalis | Resistance to Oxygen >15% | Resistance to Organic Solvents | Dust release ability | Resistance to Abrasion | Tensile Strength |
Acrylic (Copolymer) | AC | various | 110 | 115 | good | moderate | moderate | good | good | good | ||||
Acrylic Homopolymer | ACH | Dolanit | Hoechst | various | 125 | 135 | good | good | moderate | good | good | very good | good | very good |
Ceramic | Pyrotex | BWF | BWF | 850 | 1000 | moderate | excellent | excellent | very good | poor | good | excellent | ||
m-Aramid | AR | Nomex | Du Pont | various | 180 | 220 | moderate | moderate | moderate | good | excellent | moderate | very good | very good |
Glass | FG | various | 260 | 285 | good | poor | moderate | poor | excellent | |||||
Nylon | various | 90 | 120 | poor | excellent | excellent | excellent | excellent | ||||||
Polyester | PE | various | 135 | 150 | poor | moderate | poor | good | moderate | excellent | excellent | excellent | ||
Polyamide | PA | various | 215 | 220 | poor | moderate | good | moderate | good | very good | ||||
Polyimide | PI | P84 | various | 240 | 260 | good | good | moderate | good | good | excellent | excellent | very good | |
Polypropylene | PP | various | 90 | 100 | excellent | excellent | excellent | poor | good | moderate | good | excellent | ||
Polyolefin | PO | Trol | Filtec | various | 125 | 130 | excellent | excellent | excellent | poor | good | good | ||
Polyphenylene Sulphide | PPS | Ryton | Phillips Fibers | various | 190 | 230 | excellent | excellent | excellent | moderate | excellent | good | good | moderate |
Polyphenylene Sulphide | PPS | Procon | Toyobo | various | 190 | 210 | excellent | excellent | excellent | moderate | good | good | good | |
Polytetrafluoroethelane | PTFE | Gortex | Du Pont | various | 250 | 270 | excellent | excellent | excellent | excellent | excellent | excellent | poor | moderate |
Expanded PTFE | ePTFE | Gortex | W.L. Gore | W.L. Gore | 260 | 280 | excellent | excellent | excellent | excellent | excellent | superior | moderate | moderate |
PTFE/Polymide blend | W.L. Gore | 240 | 250 | moderate | good | good | moderate | good | excellent | moderate | good | |||
PTFE/fibreglass | Superflex | W.L. Gore | W.L. Gore | 260 | 280 | excellent | excellent | excellent | excellent | excellent | superior | moderate | moderate | |
Profilen | Lenzing AG | Lenzing Films | 260 | 300 | excellent | excellent | excellent | excellent | excellent | very good | poor | moderate |
Gas filtration fabrics are typically either woven fabric or non-woven fabrics
Cleaning method | Weight | Structure | Permeability |
(g/m2) | (l/dm2 min @ 200Pa) | ||
Shaker | 300 - 350 | Woven | 400 - 600 |
Low pressure reverse air & shaker | 350 - 450 | Needle felt | 250 - 400 |
Low pressure reverse air only | 400 - 500 | Needle felt | 150 - 350 |
Pulse-jet | 500 - 650 | Needle felt | 50 - 150 |