Physical and Rheological Properties of Asphalt Binder Modified with Recycled Fibers

Table 2

Physical properties of brown recycled wool fiber.

Properties	Test result
Color	Brown
Grade	Recycled
Pattern	Raw
Specific gravity	1.13
Moisture regain	13–16%, very absorbent, decrease strength when wet, seem warm, will shrink in washing.
Strength	Tenacity dry = 1.35 g/d, wet = dry 0.69 weak
Diameter	Merino wool of 19.5 micron and finer