Minipore manufactures membrane prefilter from pure Borosilicate Glass Fiber. Matrix is bonded with acrylic resin. Surface of filter having hill and valley. It has high dust holding capacity, which enhances life of Membrane, when nominal or coarser filtration is required it may be used as final filter.
| Grade | Composition | Pore Size (μm) |
Flow (ml/min/ cm2 ) |
Thickness (μm) |
| PF1 | Micro Glass Fiber | 1.5 | 1250 | 450 |
| PF2 | Micro Glass Fiber | 2.0 | 1400 | 500 |
| PF3 | Micro Glass Fiber | 3.0 | 1600 | 500 |
