PRISTYNE® Filter Media, from technology leader W. L. Gore & Associates, offers the best overall value for quality and performance. Over 30 years of membrane development is now available to you in an exceptionally cleanable and durable laminate. Made by W. L. Gore & Associates, the most trusted name in the industry, PRISTYNE® Filter Media packages Gore’s extensive ePTFE knowledge into an efficient, high performance laminate. With a choice of over 25 proven backing materials, you can pick the best solution for your application, or your budget.
| PPS Felt with RASTEX® Scrim 4220 Expanded PTFE Membrane on PPS Felt with RASTEX® Scrim |
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|---|---|
| Fiber | 100% Polyphenylene Sulfide (PPS) |
| Scrim | Woven RASTEX® Monofilament Yarn |
| Finish (Base Fabric) | N/A |
| Weight (Nominal) | 16.0 oz/yd2 542 gm/m2 |
| Air Permeability (Average) | 4.5 cfm/ft2 @ 0.5" wg 2.2 m3/min/m2 @ 20 mm wg |
| Continuous Service Temperature | 375ºF 190ºC |
| Mullen Burst Strength | 500 psi (minimum average) 3447 kilopascals |
| Breaking Strength Warp | 125 Lbf/2" (minimum average) 555 N/5 cm |
| Breaking Strength Fill | 150 Lbf/2" (minimum average) 665 N/5 cm |