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Mazut is a heavy, low quality fuel oil , used in generating plants and similar applications. mazut is blended or broken down, with the end product being Diesel
IPT supplies Mazut and relates it directly from Producers from Russia,Venezuela, and other Countries.
Mazut may be used for heating houses in the former USSR  and in countries of the Far East that do not have the facilities to blend or break it down into more conventional petro-chemicals. In the West, furnaces that burn mazut are commonly called "waste oil" heaters or "waste oil" furnaces.
Mazut-100 is a fuel oil  that is manufactured to GOST specifications, for example GOST 10585-75 (not active), GOST 10585-99 Oil fuel. Mazut. Specifications (active, last modified 07.01.2010) . (GOST is the Russian system of standards, much likeASTM, or ANSI, for example). Mazut is almost exclusively manufactured in the Russian Federation, . This product is typically used for larger boilers in producing steam since the BTU  content is high. The most important consideration (not the only consideration) when grading this fuel is the sulfur  content, which can mostly be affected by the source feedstock. For shipment purposes, this product is considered a ”dirty oil” product, and because viscosity drastically affect whether it is able to be pumped, shipping has unique requirements. Mazut is much like Number 6 Oil, and is part of the products left over after gasoline and lighter components are evaporated from the crude oil.
The main difference between the different types of Mazut-100 is the content of sulphur.
The grades are represented by these sulfuric levels:

    ”Very Low Sulphur” is mazut with a sulphur content of 0.5%
    ”Low Sulphur” is a mazut with a sulphur content of 0.5-1.0%
    ”Normal Sulphur” is a mazut with a sulphur content of 1.0-2.0%
    ”High Sulphur” is a mazut with a sulphur content of 2.0-3.5%

Very Low Sulfur mazut is generally made from the lowest sulfur crude feedstocks. It has a very limited volume to be exported because:

    A minimum of half of the total volume is sold only to the domestic market in Russia and the CIS
    Most of the remainder of this specific product are reserved by state quotas for state controlled companies abroad.
    The remaining volumes available for export are sold according to state quotas, via state auctions, accessible only to Russian domestic companies with special access and experience with these auctions.

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.
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