<P> Polyolefins are used for blow moulded or rotationally moulded components, e.g. toys, for heat - shrink tubing used to mechanically and electrically protect connections in electronics, and for rash guards or undergarments for wetsuits . </P> <P> Polyolefin sheets or foams are used in a wide variety of packaging applications, sometimes in direct contact with food . </P> <P> Polyolefin elastomer POE is used as a main ingredient in the molded flexible foam technology such as in the fabrication of self skinned footwear (for example, Crocs shoes), seat cushions, arm rests, spa pillows, etc . Hydrogenated polyalphaolefin (PAO) is used as a radar coolant . Head makes polyolefin tennis racket strings . Polyolefin is also used in pharmaceutical and medical industry for HEPA filter certification--a PAO aerosol is passed through the filters and the air that exits is measured with an aerosol detector . </P> <P> Elastolefin is a fiber used in fabrics . IKEA's Better Shelter uses structural panels made out of polyolefin foam, stating, "They are tough and durable .". Piping systems for the conveyance of water, chemicals or gases are commonly produced in Polypropylene, and to a much greater extent Polyethylene . Piping systems in high - density Polyethylene (HDPE, PE100, PE80) are fast becoming the most commonly used drinking water, waste water and natural gas distribution piping systems in the world . </P>

Which chemical product is mixed in the polylefins plastic bags