BIOSOLUBLE POT AND MARBLE (FLAME ATTENUATED)-DERIVED FIBERGLASS

A biosoluble glass fiber filtration media includes a fibrous filtration layer of randomly oriented, entangled glass fibers which has an initial efficiency of 25% or greater as measured by ASHRAE 52.1 test method. The glass fibers forming the media have a biodissolution rate in excess of 150 ng/cm2/h...

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Bibliographische Detailangaben
Hauptverfasser:	RUSSELL, HARRY, HAND, III, HARDING, FOSTER, LAVERNE, XU, XIAOJIE, BAUER, JON, FREDERICK
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BANDAGES, DRESSINGS OR ABSORBENT PADS CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMISTRY DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS FILTERS IMPLANTABLE INTO BLOOD VESSELS FIRST-AID KITS FOMENTATION GLASS HUMAN NECESSITIES HYGIENE JOINING GLASS TO GLASS OR OTHER MATERIALS MEDICAL OR VETERINARY SCIENCE METALLURGY MINERAL OR SLAG WOOL ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES PROSTHESES SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS SURFACE TREATMENT OF GLASS TREATMENT OR PROTECTION OF EYES OR EARS
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Beschreibung
Zusammenfassung:	A biosoluble glass fiber filtration media includes a fibrous filtration layer of randomly oriented, entangled glass fibers which has an initial efficiency of 25% or greater as measured by ASHRAE 52.1 test method. The glass fibers forming the media have a biodissolution rate in excess of 150 ng/cm2/hr and a mean diameter between about 2.5x10-5 inches and about 11.0x10-5 inches. Typically, the filtration layer has a thickness ranging from about 0.12 inches to about 0.35 inches and a density ranging from about 3.0 g/ft2 to about 8.0 g/ft2. The filtration has an initial pressure drop of about 0.35 inches of water or less and a dirt holding capacity of about 1.5 g/ft2 or greater.