| 摘要 |
<p>Composition for mechanical protection of underground steel tank comprises in one part a base mixture consisting of long fibbers, short fibbers, binder to ensure cohesion of mixture in form of smooth paste and its adherence to tank; an insoluble inert mineral filler which does not corrode steel, water, and in the other part: a hardener, which does not crystallize on drying, which allows the coated tank to be manipulated after 10 min. or so and which itself degrades in the soil.</p> |
