Polypropylene fibers appear to have general more excitement in recent years than any other major fiber . (66) Properties of this fiber are high abrasion, high tenacity , low moisture absorption but good wickability , resistance to chemicals , insects and microbes, and low pilling tendencies . (67)The main application include coverstock and lightweight fabrics used in nappies or incontinence pads.
Polymethylmethacrylate (PMMA) has been used for dentures , repair of cranial defects , jaw contour correction , spinal fixation, penile inserts, and testicular implants as bone cement.(4)