As a cloth for filter bags, a laminate comprising thin layer of nonwoven poly(p-phenylene terephthalamide) needled to a felt of poly(m-phenylene isophthalamide), polyester or polyphenylenesulfide fiber felt increases the resistance to burn through by hot sparks.
申请公布号
DE69210414(T2)
申请公布日期
1996.10.31
申请号
DE1992610414T
申请日期
1992.11.09
申请人
E.I. DU PONT DE NEMOURS & CO., WILMINGTON, DEL., US
