Whatman Group manufactures Cellulose Nitrate Membranes with Low Levels of Extractable. Whatman Group manufactures English mill making fine, handcrafted paper. The Cellulose Nitrate Membranes with Low Levels of Extractable is manufactured under strictly controlled conditions. The Cellulose Nitrate Membranes with Low Levels of Extractable have a noticeably improved flexibility and are made to tolerate abuse during handling, loading and autoclaving without sacrificing integrity. These membranes are among the strongest of their type available, as measured and compared by burst pressure tests.
