Laboratory Performance Evaluation of Hot Mix Asphalt Mixture Using Belessa Kaolin as a Filler with Superpave Aggregate Gradation

Table 1

Physical properties of crushed stone aggregate (CSD) and Belessa kaolin.

Physical property	Properties of mineral filler		Specification ASTM D242
	Crushed stone dust	Belessa kaolin
Plastic index (PI)	Nonplastic	Nonplastic	<4
Apparent specific gravity (GSA)	2.668	2.619	N/A

N/A = not available.