Tensile testing of PALF was carried out based on ASTM D3822-07 for tensile properties of single textile fibers. After separation into a single fiber, PALF was mounted on a paper cardboard with 2.54-cm gauge length. A small amount of glue was applied to the two edges on either sides of the gauge length along the length of the card, before carefully put the fiber into the place. The mounted single fiber was then individually placed between the grips of an Ametek LLOYD Instrument Ltd., tensile testing machine; model LRX Plus. The fiber was then tested to failure at a cross head speed of 0.5 mm/min using a 5N-load cell. Averaged values of Young’s modulus, tensile strength, and elongation at break were calculated after 20 measurements.