Polypropylene finds many applications on dinghies and yachts. Where It is essential to hold a large diameter rope for handling purposes polypropylene is ideal because of its low weight and minimal water absorption. Where strength does not qualify as an issue eg dinghy mainsheets it Designed for application alone while more demanding applications will use a high strength core inside a polypropylene cover. Polypropylene s ability to float on water is, However, Its most valuable attribute for the sailor. Employed in various uses from rescue lines to dinghy tow ropes it remains on the surface resolutely refusing to get dragged into propellers or lost under boats. While most users will be interested in the fine spun soft finished family of dinghy sailors, Polypropylene ropes whose class rules require them to keep a tow line included in the plan must look out for the harder finished rope intended for water, Ski tow lines. A from being slightly stronger than the fine finishe material, It traps minimal amounts of water