Polypropylene multifillament - a fibrous yarn. Polypropylene twisted cords, ropes and ropes don't sink in water, differ electroinsulating and heat-insulating properties, ease, not hygroscopicity, high resistance to effect of acids, alkalis and to organic solvents. Wet ropes don't stretch and don't lose loading. Synthetic twisted cords and ropes possess high resistance to dynamic loadings and high durability. Cords and ropes are widely used in construction, the industry, agriculture, in a life, on transport, fishery, tourism and outdoorsports.