Bitumen Class 170

Bitumen Class 170 or C170, is a viscosity-graded bitumen and is considered a general-purpose grade, used for a wide variety of road construction and paving projects.

Appearance: Black solid or a viscous liquid
Standards: AS 2008-2013
HS Code: 27132000

Package: Bitumen are packed in

New Steel Drums of 200Kg / 180Kg / 156Kg / Customized
Jumbo Bags of 1Ton
Bulk Vessel / Bitumen Tank Container

Bitumen Class 170 (AS 2008-2013) - Technical Specifications

Properties	Units	Limits	Test Methods
Viscosity at 60°C	Pa.s	140-200	ASTM D2171
Viscosity at 135°C	Pa.s	0.25-0.45	ASTM D2170
Penetration @25°C (77°F), 100gm, 5sec	0.1MM	Min. 62	ASTM D5
Flash Point Cleveland open cup	°C	Min. 250	ASTM D92
Matter insoluble in toluene	%Wt	Max. 1.0	ASTM D4072
Tests on residue from thin-film oven test:
Viscosity of residue at 60°C as % of original	%	Max. 300	ASTM D2171

*As per Australian Standards AS 2008-2013

Main Applications Of Bitumen Class 170

The main applications of Bitumen Class 170 include various road construction, paving, and maintenance projects due to its medium viscosity and versatility.

General Road Construction: Class 170 bitumen is widely used in urban and rural road construction, including highways, local streets, and country roads. It is ideal for base, binder, and surface courses in road pavements.
Asphalt Production: Used as a key ingredient in asphalt mixes for constructing flexible pavements. Class 170 provides the right balance of flexibility and durability in the asphalt for roads that experience moderate traffic.
Surface Dressing: Employed in surface dressing (or chip sealing), where a layer of Class 170 bitumen is sprayed over the surface and then covered with aggregate. This method improves the skid resistance and durability of road surfaces.
Seal Coating: Seal coats or bitumen sprays use Class 170 bitumen to protect roads from water ingress and extend the life of the pavement. It is commonly applied as a surface seal to preserve and maintain existing pavements.
Residential and Light-Industrial Roads: Ideal for residential streets and light industrial areas, where traffic loads are moderate and consistent. Its flexibility and moderate hardness make it suitable for roads that do not experience extreme vehicle stress.
Road Maintenance and Repairs: Class 170 is used in road maintenance projects, including patching, crack sealing, and resurfacing. It helps restore the integrity of worn roads, ensuring longevity and reduced maintenance costs.
Moderate Climate Applications: Suitable for regions with moderate climates, where it performs well under a wide range of temperatures. Its flexibility prevents cracking in colder temperatures, while its stability resists softening in warmer conditions.

Bitumen Class 170 is primarily used in general road construction, asphalt production, and surface dressing for roads that experience moderate traffic. It is also widely applied in seal coats, residential roads, and road maintenance. Its versatility and balance between flexibility and stability make it suitable for a variety of construction and paving needs in moderate climates.

Various Packing Method for Bitumen

Packing bitumen is an essential process to ensure its safe transportation, storage, and handling. The method of packing often depends on the type of bitumen, the transportation method, and the end-use. Here are the various methods used to pack bitumen: