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Sulfur concrete only uses sulfur as a binding agent then an aggregate. Why does it not use cement?

opaque_dragon
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The molten sulfur is the "cement". I understand that hundreds of years ago sulfur concrete was occasionally used. In the 70's , Amoco experimented with sulfur + asphalt concretes. They had excellent properties but were too expensive.

blacksmith37
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    I came here looking for people that know a bit about concrete, who might be able to help us answer this question, on the brand new Materials Stack Exchange: https://materials.stackexchange.com/q/493/5 – Nike Dattani May 10 '20 at 16:46