Whatman Polycap AS (aqueous solutions) capsule filters from Cytiva combines a glass microfiber (GMF) prefilter over a nylon membrane final filter to provide maximum filtration of difficult, particulate-laden solutions.
- First layer (GMF) acts as a prefilter to ensure longer membrane (0.2, 0.45, and 1.0 µm) life and higher filtration efficiency.
- Nylon membrane filter layer is inherently hydrophilic, has low extractables, is biosafe, and has excellent flow rates
- Polypropylene housing is thermally fused (no glues, adhesives, or extraneous materials), reducing extractable levels
- Can be tested with bubble point, pressure decay, or forward flow methods
- Manufactured according to ISO9001:2008 QMS standards
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