A unicellular, natural fiber composed of almost pure cellulose. As taken from plants, the fiber is found in lengths of 3/8" to 2". The fiber is then bleached to meet FDA requirements. JFPI manufactures. (3) types of cotton media; bleached (C), white (EC) (industrial) and natural (U). Bleaching is done using sodium hypocholorite as the bleaching agent followed by a hydrogen peroxide/water rinse. Independent tests have confirmed that there are no residual hypochlorite/peroxides in bleached products. Beginning to make a strong comeback in the marketplace due to being a natural product, not man-made, therefore it is bio-degradable.

Good resistance to organic acids, poor resistance to mineral acids. Good resistance to mild alkalis. Poor compatibility to micro-organisms.