FIELD: chemical industry; processing industry.
SUBSTANCE: invention relates to hollow body (10) reinforced with fibers for media sewage, in particular chemically and/or mechanically aggressive media, for example, in chemical industry and/or processing industry, where hollow housing comprises base housing (20), which includes material containing fibers, and which has protective layer (40) for protection of hollow housing (10) from chemical and/or mechanical effects. Protective layer (40) is formed from fiberglass material or, in fact, from fiber-free material. Invention relates to a chemical composition for forming protective layer (40) of hollow body (10) for channeling media, in particular chemically and/or mechanically aggressive media, wherein said protective layer protects from chemical and/or mechanical effects. Object of the present invention is to create a fiber-reinforced hollow body for channeling a medium containing a fibreless protective layer, having characteristics of fibrous protective layer.
EFFECT: technical result is aimed at improvement of operational reliability and durability of system, in which hollow housing is used.
19 cl, 1 dwg
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