It is called carpet yarn. It is used in tufe carpets. It is preferred due to its processing speed, ease of use and antibacterial and antistatic properties. Compared with CF, its properties such as absorption, swelling and flexibility come to the fore. It is used in furniture coatings and outerwear. In the polypropylene yarn production technique called BCF (Bulked continuous filament), air-jet texture unit is used as the most important distinguishing feature. The yarn is brought to the required temperature by air and textured.