Filter material for air filter, method for manufacturing same, and air filter provided with same
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United States of America Patent
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May 23, 2017
Grant Date -
Feb 25, 2016
app pub date -
Jan 30, 2014
filing date -
Apr 15, 2013
priority date (Note) -
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Abstract
A filter media for an air filter having a PF value higher than ever, and an air filter provided with the same. The filter media for an air filter is composed of wet-laid nonwoven fabric containing a glass fiber having an average fiber diameter of less than 1 and a binder fiber, and wherein the wet-laid nonwoven fabric contains a fluorine resin and a surfactant, and does not contain a resin binder or contains a binder resin in an amount of 50% by mass or less based on the fluorine resin.
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