High-Temperature Rheology Characteristics of Hard Petroleum Asphalt Used in China

Table 1

Properties of asphalt.

Asphalt type	Penetration (25°C)/0.1 mm	Softening point/°C	Flash point/°C	Ductility (15°C)/cm	Density (25°C)/g/cm^3
K1	33.5	56.2	325	7.0	1.020
K2	51.7	52.7	315	21.3	1.035
G1	30.5	58.6	306	3.7	1.034
G2	44.7	52.5	290	28.6	1.081
S1	69.3	65.5	232	116.4	1.139