Effect of Rubberized Bitumen Blending Methods on Permanent Deformation of SMA Rubberized Asphalt Mixtures

Table 3

Specification of crumb rubber used in this study.

Property	Unit	Test method	Value
Acetone extract	%	ISO 1407	10 ± 3
Ash content	%	ISO	8 ± 3
Carbon black	%	ISO 1408	30 ± 5
Rubber hydrocarbon	%	RHC	52 ± 5
Passing	%	ASTM D5644	>90
Heat loss	%	ASTM D1509	<1
Metal content	%	ASTM D56	<1
Fiber content	%	ASTM D5603	<3