Raw material of artificial grass yarn 1. PE (polyethylene), feels more soft and looks close as natural grass, and widely accept by the users. It is the most widely used raw material of artificial grass yarn. 2. PP(Polypropylene), it is a little harder than PE, normally used for sporting field like tennis, playground, running track or decoration place. Not durable as PE. Name C TURF Type Tufted synthetic grass Material PE Monofilament straight & PP Monofilament curled (UV stabilised) Yarn Type 17200 Dtex PE Monofilament Straight & PP mon......url:http://www.windygrass.com