JOINT SHEET

PROBLEM TO BE SOLVED: To provide a gasket material superior in steam resistance, long in service life, and suitable for use for steam piping of various kinds of industrial equipment, apparatuses and the like for chemical industry and the like. SOLUTION: The joint sheet contains a polyketone fiber, o...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: MIYAJI KIYOSHI, IGARASHI TSUNEO
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To provide a gasket material superior in steam resistance, long in service life, and suitable for use for steam piping of various kinds of industrial equipment, apparatuses and the like for chemical industry and the like. SOLUTION: The joint sheet contains a polyketone fiber, of which the main repeating unit consists of 1-oxotrimethylene units, and which is made fibrilliform so as to have a specific surface area of 1-20 m2/g and a freeness of 150-800 mL/min, as a base fiber. COPYRIGHT: (C)2007,JPO&INPIT