| 摘要 |
Asphaltic tar composition, particularly anticorrosion composition, characterised in that it comprises over 30 weight parts of petroleum asphalt and over 30 weight parts of coal tar per 100 weight parts of the sum of these bituminous substances and 1-60 weight percent of a stabiliser, however, as stabiliser is used chelating polymers, chelating oligomers pr aliphatic polymers.
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