This yarn is produced from %100 polyester fiber. It is used in sewing operations that require high tenacity. It is produced as twisted to make it more economic than knitted yarn. Waxy yarn is also known as parafin yarn. The yarn is covered with parafin, in order to increase its slipperiness value. This slipperiness, protects the yarn from corrosion, water, moisture, and other weather conditions. Therefore, this yarn does not corrodes, even it contacts with the salt water regularly. Consequently, waxy yarn is broadly used in marine sector.