(general explanatory notes to the first schedule to the central excise tariff act, ) additional duties of excise (goods of special importance) act, - additional duties of excise (textiles and textile articles) act, - provisional collection of taxes act, ( of ) - provisions of finance (no. ) act, relating...
to find a fiber that would help realise their design idea, aeropowder turned to trevira gmbh. we developed special binding fibers — bicomponent fibers consisting of two different biopolymers. this productive collaboration between trevira and aeropowder has resulted in the creation of a completely biodegradable...
forcing these solutions through a spinneret into an acid-formaldehyde coagulating bath. many of the properties of these fibers resemble the natural protein fibers, but they suffer from low dry and wet strength and sensitivity to alkalies. protein-polyacrylonitrile graft copolymer related posts carbon...