The Polish Navy owns several non-magnetic ships that are at the end of their life cycle and need disposing of. As they are constructed largely of glass reinforced polyester (90% by weight), the process of their recycling causes a different problem to the recycling process of conventional ships. In this paper the problem of breaking down the ships after exploitation and disposal of the construction material is presented. The glass reinforced polyester wastes were added to fresh polyester resin or epoxy resins in aim to produce some usable structural composite. Then the mechanical properties of the composites were investigated.
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