W.L.Gore & Associates, Inc.
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PRISTYNE® Filter Media
High quality filter media from the world’s most trusted supplier of membrane laminates
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.
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View Informational Video
For more detailed information on this product, view the PRISTYNE® High Quality Filter Media Video.
- Fiberglass Filter Media
- Fiberglass is appropriate for high temperature applications (up to 500°F/260°C). It is strongly discouraged for applications where HF is present.
- Woven Fiberglass with Acid-Resistant Finish 6220
- Woven Fiberglass with Acid-Resistant Finish 6240
- Woven Fiberglass with Acid-Resistant Finish 6260
- Woven Fiberglass with Acid-Resistant Finish 6270
- Woven PTFE-Coated Fiberglass 6210
- Woven PTFE-Coated Fiberglass 6230
- Woven PTFE-Coated Fiberglass 6250
- Aramid Filter Media
- Aramid has a temperature limitation of 400°F/204°C and is resistant to acid attack and hydrolysis at low temperatures. Caution should be used with Aramid in a higher temperature application when moisture or acids are present in the gas stream.
- Polypropylene Filter Media
- Polypropylene is used for lower temperature applications (up to 160°F/71°C). It is capable of withstanding low to medium levels of acids and bases.
- Polyester Filter Media
- Polyester can be used in applications up to 275°F/135°C under dry conditions. It is not recommended for high humidity/acid applications where temperatures are elevated due to hydrolysis of the fibers.
- Nylon/Polyester Spunbonded, Pleatable Filter Media 3380
- Polyester, Pleatable Filter Media 3361
- Polyester Felt 3110
- Polyester Felt 3130
- Polyester Felt 3141
- Polyester Felt with Anti-Static Fiber 3120
- Woven Polyester Fabric 3220
- PPS Filter Media
- PPS is limited to 375°F/190°C. PPS being a more stable polymer, it provides better acid resistance, compared to Aramid, at higher temperatures. PPS is subject to oxidation at high O2 levels.
- Acrylic Filter Media
- Acrylic is limited to 260°F/125°C. It is not very resistant to temperature excursions. Acrylic can be used in mild acid applications. It is beneficial in applications with frequent dew point excursions and/or high relative humidity.
- Woven RASTEX® Filter Media
- RASTEX® PTFE fiber is beneficial in high temperature applications (up to 500°F/260°C). It is useful for chemically aggressive environments due to PTFE’s resistance to chemical attack.