Polybilt PB 152 is an 18% VA copolymer that yields modified bitumen blends with good storage stability, increased softening point, increased high temperature viscosity and decreased penetration. PB 152 can be blended using conventional equipment, Blending time will depend on the shear rate of the equipment used and temperature. The recommended temperature range is 330 to 350°F. Information provided by ExxonMobil Chemical |