What Is Road Tar Made of?

Answer

Road tar is usually made from a mixture of bitumen and rocks. Bitumen is a sticky and highly viscous liquid, and this two properties provide the binding characteristic that helps in creating asphalt concrete used in road construction. This material is extracted from crude oil.
Q&A Related to "What Is Road Tar Made of?"
Roads aren't made of tar, you are thinking of asphalt or bitumen. These materials are relatively inexpensive and readily available. Asphalt often performs well when compared to alternatives
http://www.quora.com/Why-are-roads-made-of-tar
Tar is produced from the roots and wood of pine trees. It's a type of resin that is distilled until it's a thick and black liquid. Tar can be made from peat or petroleum, also. For
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1. Pour 3 parts of baking soda and 1 part of water into a plastic container. Stir with a spoon to form a soft paste. 2. Dampen a soft, non-abrasive cloth under running water. Squeeze
http://www.ehow.com/how_6321837_road-tar-off-car.h...
John Loudon McAdam, a Scottish road building expert, is credited with being the first to build tar surfaced roads. That is why they are called macadam roads.
http://wiki.answers.com/Q/Who+invented+road+tar
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The tarmac for roads is made from a mixture of road stones and tar although modern construction companies now use bitumen. Tarmac is also referred to as tar macadam ...
Road asphalt is made of chemicals, tar and shale. The shale and the chemicals are mixed together. The original substance is solid. When the solid substance is ...
Road tar is tar that is conforms to the BS 76 requirement and is essential for use in road construction due to its properties. Tar on the other hand is a dark, ...
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