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
| Title | Year | Author | Number |
|---|---|---|---|
| WOOD-IMPREGNATING PETROLEUM ANTISEPTIC NAMED COMMERCIAL PRESERVATIVE LIQUID | 2006 |
|
RU2303522C1 |
| PETROLEUM ANTISEPTIC FOR THE WOOD IMPREGNATION WITH THE AROMATIC SOLVENT | 2006 |
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| PETROLEUM ANTISEPTIC MATERIAL FOR IMPREGNATION OF WOOD | 2001 |
|
RU2187429C1 |
| WOOD-IMPREGNATION OIL-ORIGIN ANTISEPTIC | 2001 |
|
RU2206446C1 |
