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Bag filter comprising filter felt of meta-aramid and para-aramid staple fiber
Bag filter comprising filter felt of meta-aramid and para-aramid staple fiber
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机译:包含间位芳族聚酰胺和对位芳族聚酰胺短纤维滤毡的袋式除尘器
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摘要
This invention relates to a bag filter having a tubular section,a closed end, and an open end; the tubular section comprising a filter felt consisting essentially of a batt of an intimate blend of fibers needle-punched to a woven scrim, the blend of fibers consisting of 50 to 70 percent by weight meta-aramid staple fiber, and 30 to 50 percent by weight para-aramid staple fiber; said filter felt having a total basis weight of from 10 to 19 ounces per square yard (340 to 580 grams per square meter).
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