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Celgard®

Left: Height image, Right: Phase image.

Celgard is a microporous, hydrophobic polypropylene membrane whose structure
consists of alternating fibers and lamellae. Due to its properties (high burst/tensile strengths,
excellent gas transfer) it is used in medical devices functioning as oxygenators.
Celgard is a registered trademark of Membrana, 1.4µm scan.