A paving binder classified by needle penetration at 25°C. Lower values indicate a harder binder and higher values a softer one; selection also depends on the specification, climate, traffic and mix design. For an enquiry, share the required penetration range, applicable standard and intended asphalt layer. Review the full test profile rather than choosing on the grade name or price alone.
Reference limits from the SRNT catalogue, not measured batch results or a COA. Availability, the applicable standard edition and contractual limits are confirmed for each enquiry.
Reference technical specifications · 60/70
Property / condition
Unit
Reference limit
Test method
Density at 25°C
kg/m³
1010-1060
ASTM D70 or D3289
Penetration at 25°C
0.1 mm
60-70
ASTM D5
Softening point
°C
49-56
ASTM D36
Ductility at 25°C
cm
≥100
ASTM D113
Loss on heating
mass %
≤0.2
ASTM D6
Penetration loss after heating
%
≤20
ASTM D5*
Flash point
°C
≥232
ASTM D92
Solubility in trichloroethylene
mass %
≥99.0
ASTM D2042
Spot test
-
Negative
AASHO T102
Viscosity at 60°C
P
2000±400
ASTM D2171
Viscosity at 135°C
cSt
≥300
ASTM D2170
* Heating/ageing conditions are confirmed for each enquiry.
