Ultradyne® PTFE Membrane (Hydrophobic)

PTFE membrane filters providing the utmost assurance of chemical resistance, durability and critical filtration performance in aggressive fluids.

Ultradyne^® absolute-rated polytetrafluoroethylene (PTFE) membrane filters offer the highest level of assurance of chemical compatibility and filtration performance in aggressive chemicals, prolonged hot air service and other severe process conditions. Ultradyne^® filters’ PTFE membrane delivers superior flow rates and long service life. The highly porous membrane is inherently hydrophobic and offers maximum chemical compatibility with minimal extractables in a wide range of fluids and applications. Support components are all-polypropylene.

Design Features

Absolute liquid ratings from 0.1 µm to 1.0 µm
Meets ASTM bacterial validation standards
Superior flow rates at low pressure drops
Ultraclean – no additives, surfactants or post-treatments
Inherently hydrophobic PTFE membrane
Wide chemical compatibility
Extended service life in sterilizing hot compressed air
Minimal extractables levels
100% integrity tested
Cleanroom manufactured

Ultradyne^® meets the critical demand for contamination control in the chemical, microelectronics, aerospace, biologicals, pharmaceuticals, food and beverage, and other industries. The Ultradyne^® cartridge is designed for the removal of particulates, colloids and microorganisms from aggressive solvents, highly corrosive chemicals and gases. It is ideal for bulk and point-of-use filtration. Typical chemicals include:

Highly concentrated acids
Bases
Alcohols
Chlorinated and fluorinated solvents
Esters
Ketones
Photoresists
Etchants
Photolithographic solutions

For aqueous solutions, the Ultradyne^® filter must be pre-wet by immersion in a suitable low surface tension fluid. The inherently hydrophobic Ultradyne^® filter is ideal for gas filtration applications that include: