What is Asphalt or in other words Blacktop made out of?
by 
- M.C.S. - Dave
ANSWERS: 2
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It is made from petrolium or oil. We'll have to change all our roads into concrete soon, or maybe brick, that would be nice, maybe yellow brick:) Excuse spelling error if there is one up there.
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The hydrocarbon material that is used to create asphalt is actually derived from the waste material left over after the manufacture of gasoline, kerosene and diesel fuels. Essentially, asphalt is a by-product of the residue that is left behind after the more desirable components of crude oil and petroleum have been harvested. One of these by-products, bitumen, is sometimes referred to as asphalt oil. http://www.wisegeek.com/how-is-asphalt-made.htm Blacktop is made out of a combination of gravel, sand and asphalt. Asphalt is a byproduct of the crude oil refining process and is the ingredient that holds together the gravel and sand found in blacktop
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