FIELD: oil and gas production.
SUBSTANCE: here is disclosed multi-functional additive to petrol on base of ethers of ortho-silicic acid additionally containing ethers of boric acid, oxygenate and washing additive at following ratio of components (wt %): ethers of ortho-silicic acid 0.1-50; ethers of boric acid 0.1-50; washing additive 0.001-45; oxygenates up to 100.
EFFECT: reduced soot deposits in combustion chamber and deposits on inlet and outlet valves, reduced contents of detrimental substances in spent gases, increased completeness of fuel combustion and reduced specific fuel consumption.
5 cl, 5 ex, 9 tbl
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