FIELD: petroleum products and antiseptic materials.;SUBSTANCE: invention is directed to protection against damage caused by fungi and bacteria, in particular to impregnation of wooden crossties and rods. Antiseptic of invention contains, as long fraction of thermal cracking, fraction of heavy pyrolysis tar boiling off within a range of 200°C to end boiling point in amount 70-95 wt % and, as color regulator, mazut fraction boiling off within a range of 220°C to end boiling point in amount 5-30 wt %.;EFFECT: expanded reserve of oily wood-impregnation antiseptics and improved color thereof thanks to optimal proportions of distillate and residual petroleum fractions.;3 ex
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机译：领域：石油产品和防腐材料。物质：本发明旨在防止真菌和细菌引起的损害，尤其是浸渍木十字架和木棍。作为本发明的防腐剂，作为热裂解的一长部分，其重质热解焦油的馏分在200℃至终沸点的范围内的量为70-95重量％，并且作为颜色调节剂，在一定范围内沸腾的麦芽糊状馏分。达到220°C至最终沸点为5-30 wt％.;效果：由于馏分油和残余石油馏分的最佳比例，油性木材浸渍防腐剂的储备增加并改善了颜色; 3 ex
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