Multi-layered tube, piping consisting of several such tubes and method for the gas-tight and liquid-tight connection of two such tubes.
A composite tube is described comprising an inner layer and outer layer (2, 4) consisting of fibre-reinforced cured thermosetting resin, the resins of the inner layer and outer layer being cured using different curing agents. For instance the expoxy resin in the outer layer (5) is cured using an aromatic amine as curing agent and the epoxy resin in the inner layer (2) is cured using an aliphatic amine or anhydride as curing agent, which makes the tube suitable for use in a drinking water piping. Further a piping consisting of one or more of such tubes is described, as well as a method for the gas-tight and liquid-tight connection of two of such tubes. <IMAGE>