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ULPA filters



1512 , ULPA FILTERS

Grade U15 to U16 of EN1822-4:2000

~ Water Repellant Paper

~ DOP Scan tested

~ Metal Casings

~ Individually Tested

~ Liquid Seal designs available

Applications

The ULPA range of filters are usually used within Cleanrooms for high end microelectronic applications

Usually associated with ISO Class 3 of ISO 14644

The filter will usually be combined with a liquid seal chanel sealing system rather than the conventional closed cell gaskets.

Description

The filtration medium is provided by microfine glass fibres formed into paper-like surface supplied in various grades depending upon the filtration efficiency required

The filter paper is formed into a close pleated package to provide a large surface area. Corrugated spacers of either kraft paper or aluminium are inserted between each pleat to provide support for the pleat and also ensure the entire surface of the filtering medium is used.

The completed pack is sealed into the casing using a polyurethane sealant. After which every filter is individually tested to ensure conformity.

Technical

Efficiencies of U15 and U16 to EN1822-4:2000 Max Operating Temperature 120C Max Humidity - Aluminium Spacers 100% RH - no free moisture




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