| http://www.w3.org/ns/prov#value | - The uniform basis weight of the self-bonded web allows lower basisweight self-bonded nonwoven webs to be used to provide strength and durability to the composites, and benefits the consumer with a lighter weight and more economical product.Among the advantages obtained from the porous film composites of the present invention is a composite comprising two layers of self-bonded nonwoven web calender
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