Different melting points on the sides of the fiber are taken advantage of when fibers are used as bonding fibers in thermally bonded non-woven webs. The example of such bonding fibers is EA & ES ofChisso, Japan, with polyethylene as the low melting component (Tm = 110oC), along with polypropylene [5]. Side-by-side fibers have also been reported to be a base fiber for producing so called "splittable " fibers, which split in a certain processing stage, yielding fine filaments of a sharp-edged cross section. One of the components could be removed by dissolving [6] or the fiber could split by just heating and the fiber would split by a flexion action [7].