| abstract |
A pipe for water-supply systems of the type made from plastic material, that comprises at least, an external layer (1) and an internal layer (2) both made of a material selected from a thermoplastic material, a thermostable material or a combination of both, the internal wall (2) of which, in its most internal wall, which remains in contact with water, comprises an antimicrobial and/or antibacterial additive, being said additive integrated into the internal layer by means of co-extrusion. |