| http://www.w3.org/ns/prov#value | - Moreover, the ability of a bicomponent fiber having a high strength, low cost, core such as polypropylene, and a sheath of VAL or EVAL, to form relatively stable and self-sustaining air-permeable, bonded rods which will function effectively as smoke filters, and yet, readily disintegrate when subjected to environmental conditions, is unexpected.
|
