Chinese Ministry of Transportation Standards (JTG F40-2004):
Applies to all roads, according to the climate and the different levels of the partition (A, B, C grade) choose to use.
|
Characteristic
|
70-A
|
Test Method
|
|
Penetration Degree (25°C), 0.1 mm
|
60~80
|
GB/T 4509
|
|
Penetration Index (PI)
|
-1.5~+1.0
|
GB/T 4509
|
|
Softening Point, °C
|
>46
|
GB/T 4507
|
|
Dynamic Viscosity (60°C), Pa.s
|
>180
|
SH/T 0557
|
|
Ductility (10°C), cm
|
>20
|
GB/T 4508
|
Ductility (15°C), cm
|
>100
|
GB/T 4508
|
|
Solubility, %
|
>99.5
|
GB/T 11148
|
|
Specific Gravity (15/15°C)
|
report |
GB/T 8928 |
|
Specific Gravity (20/20°C)
|
report |
GB/T 8928
|
|
Wax Content, %
|
<2.2 |
SH/T 0425 |
|
Flash point, °C
|
>260 |
GB/T 267 |
|
Membrane Oven Experiment
|
|
Mass Loss, wt%
|
<±0.8
|
GB/T 5304
|
|
Residue Penetration Ratio,%
|
>61
|
GB/T 4509
|
|
Residue Ductility (10°C)
|
>6 |
GB/T 4508 |