Polymer-modified bitumen are materials based on bitumen modified by polymers such as SBS ( styrene-butadiene-styrene) and plasticiziers. PMB has quality characteristics differs from traditional bitumen by increased resistance to deformation, improved properties at high and low temperatures, increased resistance to aging.PMB is used in road and airfield construction. Polymer modified bitumens are delivered in road tankers or in clover containers (985 kg).