| http://www.w3.org/ns/prov#value | - n 70% by weight, preferably less than 60% by weight, more preferred less than 50% by weight, especially preferred less than 40%, higher preferred less than 30% by weight and most preferred less than 20% by weight of other fibers, adhesives, or fillers, such as cellulosic or wood fluff fibers, thermoplastic fibers, adhesives, fillers, and other additives.
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