PTFE technology applied to hydrophobic filters
WL Gore and Associates
Hydrophobic filters
Gore and Associates has applied its PTFE technology to a range of hydrophobic filters for the manufacture of bulk high-purity chemicals used in semiconductor and electronics fabrication.
Gore filters for high-purity chemical processors are claimed to deliver an up to 200 per cent improvement in flow over best-in-class filters with the same retention rating.
This increased flow performance can be used to increase process capacity or decrease the number of filters needed; it can also be used as a drop-in retention upgrade that maintains system flow capacity.
The new filters offer maximum benefit in high-throughput filling, packaging and recirculation systems for high-viscosity fluids, acids, bases, solvents, speciality chemicals and other high-purity chemicals used in semiconductor and electronics fabrication, according to the company.
The filters are available in a pore size rating range from 0.1um to 0.03um.
Gore filters incorporate the company's proprietary high-flow expanded polytetrafluoroethylene (ePTFE) filtration media.
The new filters will be on view at the Inchem Tokyo 2009 event on 18-20 November.
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