Sharp Industries Limited offers Cast Polypropylene – CPP Films. Sharp Industries Limited is an ISO 9001:2000 accredited company. The company manufactures Laminates, Multi-Layer Barrier Films, Holographic Films, Shrink Sleeve Levels, Stretch Films, etc. The Cast Polypropylene – CPP Films are a major polymer used in non woven, for diapers or sanitary products where it is treated to absorb water [hydrophilic] rather than naturally repelling water [hydrophobic]. Other interesting non-woven uses include filters for air, gas, and liquids in which the fibres can be formed into sheets or webs that can be pleated to form cartridges or layers that filter in various efficiencies in the 0.5 to 30 micron range.