FIELD: transport of gases, liquids and suspensions.
SUBSTANCE: protecting coating for tubes contains bitumen composition including, mass %: bitumen, 20 - 98; block-copolymer of vinyl aromatic hydrocarbon and conjugated diene with hydrogenated diene block, 0.5 - 30; stereo-regular polyolefin, 0.5 - 30; and filler, 1 - 50 for total mass of bitumen composition.
EFFECT: improved operational characteristics of tubes with such coating.
9 cl, 2 tbl, 3 ex
| Title | Year | Author | Number |
|---|---|---|---|
| PIPELINE COATING | 2000 |
|
RU2247135C2 |
| PROTECTIVE FILMS AND PRESSURE-SENSITIVE ADHESIVE | 2006 |
|
RU2425857C2 |
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|
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| FOAM THERMOPLASTIC GEL COMPOSITION | 2006 |
|
RU2357981C1 |
| STABILIZED BITUMEN COMPOSITION | 1994 |
|
RU2140946C1 |
