Bitumen
Bitumen types regarding its generation source bitumen can be classified into three categories:
natural Bitumen
coal tar pitches
petroleum asphalts
What is Bitumen?
Bitumen is black material which is consumed from 4000 years B.C. its previous Latin name was PIXTU-MEN and today Bitumen and Asphalt are used as its name. its main usage is in roads and streets asphalt and insulation. One of the types of bitumen which is used more is refined bitumen produced in refineries. Also a kind of tar is produced from coal. There are natural bitumen mines in nature which need to be refined.
Bitumen is divided into two main groups in usage: paving grade and roofing grade.Chemically bitumen components are divided into two groups of Hydrocarbure, Asphaltine, and Maltin.
There is 5-30% Asphaltin in bitumen which causes the hardness of the bitumen. Maltin is made of grease and resin.
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BITUMEN VS ASPHALT
What’s the difference between Bitumen and Asphalt?
Should I use Bitumen or Asphalt?
Bitumen is actually the liquid binder that holds asphalt together. The term bitumen is often mistakenly used to describe asphalt.
A bitumen-sealed road has a layer of bitumen sprayed and then covered with an aggregate. This is then repeated to give a two-coat seal.
Asphalt is produced in a plant that heats, dries and mixes aggregate, bitumen and sand into a composite mix.
It is then applied through a paving machine on site as a solid material at a nominated or required thickness, relative to the end use.
Asphalt results in a smoother and more durable surface than a bitumen-sealed road.
