HDPE - YARN, is one of the type in Polypropylene which is an easy to recycle thermoplastic that is used in an extremely wide variety of applications. Polypropylene is similar to polyethylene. It is just as cheap, only much stronger. It is used for plastic bottles, carpets, plastic furniture, and many car parts. Other uses include pipes, filter material and plastic products that require a higher quality than its predecessor polyethylene can offer.