FILTER FABRICS
Types of Fiber
Woven Fabrics use for Filter Made-Ups / Bags
| ORDER OF PREFERENCE | |||
| Maximum Filtrate Clarity | Staple Fiber | Multifilament | Monofilaments |
| Minimum Resistance to Flow | Monofilament | Multifilament | Staple Fiber |
| Minimum Moisture in cake | Monofilament | Multifilament | Staple Fiber |
| Easy Cake Discharge | Monofilament | Multifilament | Staple Fiber |
| Maximum Cloth Life | Staple Fiber | Multifilament | Monofilaments |
| Least Tendency to Blind | Monofilament | Multifilament | Staple Fiber |
Fiber Properties |
Max. Operating |
|||||||
Fiber |
Available in |
Tensile |
Abrasion |
Acid |
Alkali |
Supports |
Continuous |
Surges |
| Cotton | Woven | Good | Good | Poor | Good | Yes | 180 (82) | 200 (93) |
| Polypropylene | Woven, Felted | Excellent | Excellent | Excellent | Excellent | Yes | 170 (77) | 200 (93) |
| Nylon | Woven | Excellent | Excellent | Poor | Excellent | Yes | 200 (93) | 250(121) |
| Wool | Woven, Felted | Poor | Fair | Good | Poor | No | 200 (93) | 230(110) |
| Homopolymer Acrylic | Woven, Felted | Good | Good | Very Good | Fair | Yes | 260 (127) | 284(140) |
| Copolymer Acrylic | Woven, Felted | Average | Fair | Good | Fair | Yes | 230 (110) | 248(120) |
| Polyester | Woven, Felted, Knit, Spun Bonded | Excellent | Excellent | Fair | Fair | Yes | 275 (135) | 300(149) |
| Aramid (Nomex) | Woven, Felted | Very Good | Excellent | Fair | Good | No | 375 (191) | 425(218) |
| Teflon | Woven, Felted | Average | Fair | Excellent | Excellent | No | 450 (232) | 500(260) |
| Fiberglass | Woven, Felted | Excellent | Fair | Good | Fair | No | 500 (260) | 550(288) |
| Ryton (PPS) | Woven, Felted | Very Good | Excellent | Excellent | Very Good | No | 375 ( 191) | 425(218) |
| P84 | Felted | Very Good | Excellent | Very Good | Fair | No | 500 (260) | 550(288) |