Rotational viscosity (180℃)/Pa?s Penetration (25℃, 100g, 5s)/0.1mm Softening point (ball and ball method)/℃, ≥ Elastic recovery (25℃)/%, ≥ Ductility (5℃, 5cm/min)/cm, ≥ flash point/℃, ≥ segregation, softening point difference/℃, ≤ mass loss of residue after TFOT or RTOFT/%, ≤; penetration ratio (25℃)/%, ≥; ductility (5℃)/cm,≥