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== Different types of Mazut-100 ==
The main difference between the different types of Mazut-100 is the content of sulphur. The grades are represented by these sulfuric levels:<ref>[https://books.google.com.au/books?id=s7zuiR7IAKMC&dq=Mazut&pg=PA54#v=onepage&q=Mazut&f=false Mazut], Page 54, CIR Staff Paper, Center for International Research (U.S.), Publisher: U.S.S.R. Input-Output Branch, Center for International Research, Bureau of the Census, U.S. Department of Commerce, 1984.</ref>
* ”Very Lowlow Sulphur”sulphur” is mazut with a sulphur content of 0.5%
* ”Low Sulphur”sulphur” is a mazut with a sulphur content of 0.5-15–1.0%
* ”Normal Sulphur”sulphur” is a mazut with a sulphur content of 1.0-20–2.0%
* ”High Sulphur”sulphur” is a mazut with a sulphur content of 2.0-30–3.5%
Very Low Sulphur-low-sulphur mazut is generally made from the lowest -sulfur crude feedstocks. It has a very limited volume to be exported because:
* The number of producers in Russia is limited. Refineries whichthat produce this are generally owned by the largest domestic oil companies, such as [[Lukoil]] and [[Rosneft]], etc.
* In Russia and the [[Commonwealth of Independent States|CIS]] countries a minimum of 50% from the total produced volume is sold only to domestic consumers in Russia and the CIS.
* Most of the remainder amount is reserved by state quotas for state -controlled companies abroad.
* The remaining volume available for export is sold according to state quotas, via state auctions, accessible only to Russian domestic companies.{{Cn|date=October 2022}}
Low- to high -sulfur mazut is available from Russia and other CIS countries (Kazakhstan, Azerbaijan, Turkmenistan). The technical specifications are represented in the same way, according to the Russian GOST standard 10585-99. The Russian origin mazut demands higher prices.
==References==
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