AH bitumen is a bitumen grade that is popular in the China market. They categorized based on penetration value @ 25°C. AH grades are as below:

BITUMEN AH-70
Test ItemsUnitSpecificationsTest Method
Penetration (25°C/5s/100g)0.1mm60~80T0604-2011
Penetration Index-1.5~1.0T0604-2011
Softening Point (Ring & Ball)°CMin 46T0606-2011
Dynamic Viscosity at 60 °CPa.sMin 140T0620-2000
Ductility (5cm/min @10°C)CmMin 25T0605-2011
Ductility (5cm/min @15°C)CmMin 100T0605-2011
Wax Content (Distillation Method)%Max 2.2T0615-2011
Flash Point (COC)°CMin 260T0611-2011
Solubility in Trichloroethylene%Min 99.5T0607-2011
Density (@15°C)g/cm3ReportT0603-2011
After Thin Film Oven Test (TFOT) or Rolling TFOT (RTOFT)T609 or T0610
Weight Change After TFOT or RTFOT%±0.8T609 or T0610
Penetration Ratio of Residue after TFOT or RTFOT%Min 61T0604-2011
Ductility @10°C after TFOT or RTFOTcmMin 6T0605-2011
Ductility @15°C after TFOT or RTFOTcmMin 30T0605-2011

SPEC based on industry Standards of the People’s Republic of China JTG F40–2004