Sample Sidebar Module

This is a sample module published to the sidebar_top position, using the -sidebar module class suffix. There is also a sidebar_bottom position below the menu.
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Sample Sidebar Module

This is a sample module published to the sidebar_bottom position, using the -sidebar module class suffix. There is also a sidebar_top position below the search.

Sample Drop Down Module

This is an example of a module published to the drop_down row. This row contains 6 modules. To enable the drop down simple publish any module to any of the drop_down_x positions.

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What is cutback bitumen?

Cutback bitumen is a range of binders that are produced by blending (mixing) penetration grade bitumen and a hydrocarbon solvent, such as paraffin or mineral turpentine.
When the solvent has evaporated, the binder returns to its original penetration grade to tie the particles together.
Cutback bitumen gets its name from the solvent that is involved in the process, because the solvent "cuts back" or evaporates, leaving behind the binder to "get on with the job".
The solvent used in cutback bitumen is called the "cutter" or "flux".

Three types of solvents are used for the blending process:
  • slow curing (SC)
  • medium curing (MC)
  • rapid-curing (RC)

Advantage of cutback bitumen:

it can be applied at lower temperatures than penetration grades because of its lower Bitumen Solvents viscosity. A disadvantage is that cutback bitumen consumes non-renewable energy resources which are ultimately lost through evaporation.

Applications of Cutback Bitumen:

Prime and Tack Coating The process of priming involves applying a low viscosity binder to a prepared but usually unbound aggregate base.
It is intended to be absorbed by the top layers of the base and provide a surface more easily ‘wetted’ by a subsequent bituminous covering.
The primer will be able to carry traffic for a short time (although this practice is uncommon) and help control dust.
Generally, primers are applied at rates between 0.5 and 1.4 L/m2.
Cutback bitumen's suitable for priming are also used for tack coats, which are applied to an underlying surface to help with the adhesion of subsequent asphalt layer.


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  • English (UK)

Bottom Row3 Modules

This is an example of a module published to the bottom_row_3 row. This row contains 6 modules, read above for a full description.