ABSTRACT

MPET fiber (Far Eastern New Century Corporation, Taiwan, R.O.C.) has a fineness of 4 D and a length of 51 mm, and is composed of a skin-core structure, in which the skin is low melting point PET and the core is a medium denier PET. HPET fiber (Far Eastern New Century Corporation, Taiwan, R.O.C.) has a fineness of 7 D and a length of 70 mm.