FIELD: filtration technics. SUBSTANCE: invention concerns filter elements for fine purification of gases or liquids. Suspension is prepared using glass fibers, water, low-molecular dimethylsiloxane rubber with Engler viscosity 90-150 s, and binding agent which are agitated under effect of forced resonance vibrations. Filter element is then shaped on net surface and dried, whereupon its central part is impregnated with thermoplastic polymer. EFFECT: improved filtration capability. 7 cl
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Authors
Dates
1997-09-20—Published
1995-11-22—Filed