Bitumen-Biopolymer Materials Modified with Polylactic Acid with Improved Physical and Chemical Properties

Table 1

Physical properties of the bitumen used.

Parameter	Unit of measure	Value
Depth of needle penetration at 25°C	mm/10	82
Softening point by ring and ball	°C	47
Ductility at 25°C (min.)	cm	100
Elasticity	%	18
Brittleness temperature	°C	−29