FILTER MATERIAL AND AIR FILTER USING THE SAME

FILTER MATERIAL AND AIR FILTER USING THE SAME

PROBLEM TO BE SOLVED: To provide a filter material good in bending aptitude at the time of processing as a filter, having flame retardancy and low in gas generation and to provide an air filter using the filter. SOLUTION: The filter material is a laminated body of a sheet obtained by subjecting a fl...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: NAGATSUKA KOJIRO, YOSHIDA MITSUO
Format: Patent
Sprache:eng
Schlagworte:
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To provide a filter material good in bending aptitude at the time of processing as a filter, having flame retardancy and low in gas generation and to provide an air filter using the filter. SOLUTION: The filter material is a laminated body of a sheet obtained by subjecting a flame retardant fiber and a heat adhesive fiber to wet type paper manufacturing and a PTFE porous membrane and the material has the flame retardancy of section 3 by JIS L1091A-1 method and also the total gas generation of BHT and DBP of