Luwa Ultra Filter CR

Product catalog summary

Overview: The Luwa CR Ultrafilters are designed for the microelectronic industry, offering high efficiency and reliability. These filters are boron- and phosphor-free, chemically inert, HF resistant, and exhibit near-zero outgassing. They are water repellent, have high mechanical strength, and are non-shedding.

Specifications: The filters are available in different models (CR, CRB, CRP) with varying frame heights and pressure drops. They are classified under filter classes U15 and U16 according to EN1822 standards, with efficiencies ranging from 99.9995% to 99.9999999% for particles of different sizes.

Materials: The filter media include micro glassfibre paper and expanded PTFE multi-layer membranes. The frame is made of anodised extruded aluminium profiles, with hot melt strings as pleat separators. Sealants and gaskets are made from polyurethane and EPDM rubber.

Performance: Each filter is individually tested for efficiency, leaks, and pressure drop using the Luwa ULPACATS filter test rig. The filters are designed to operate at a maximum temperature of 70°C and can handle relative humidity up to 100%.

Customization: Custom dimensions and specific performances are available upon request. The documentation is regularly updated for accuracy and may change without notice.

Catalog excerpts

PTFE Membrane and Low Boron ULPA Filters for Microelectronic Industry Boron- and Phosphor free Near zero outgassing Very high efficiencies at lowest pressure drop Water repellant High mechanical strength,

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Luwa CR, CRB and CRP ULPA filters for the microelectronic industry Efficiencies, pressure drop and frame Each filter is individually tested for effi- design may be chosen out of the com- clency, leaks and pressure drop accord- prehensive range of Luwa CR, CRB and ing to EN1822 on the Luwa ULPACATS CRP filters. The main performances of filter test rig (picture above). the three basic types of ULPA filters for Material specification Filter media: see table above Pleat separators: Hot Melt strings Frame: Anodlsed extruded aluminium profiles Sealant: Polyurethane EPDM rubber Customised dimensions...

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