Vulcanised thermoplastic yprocedimiento production.

Thermoplastic vulcanizate comprising four components (A, B, C, D), specifically: - a plastic (A) thermoplastic; - a polyethylene (B) substantially uncrosslinked; - rubber (C) having a degree of crosslinking of> 90% and compatible with the plastic (A) thermoplastic regarding the phase inversion; and - a plasticizer (D); as well as ingredients (E) of conventional mixing, comprising at least one crosslinker or a crosslinking system, whereby the mixture has the following percentages of amounts (in weight%) to the sum of the four components ( A, B, C, D): plastic (A) termoplasticodel 5 to 20 polyethylene (B) 25 to 5 or 15 to 5 rubber (C) 30 to 50 plasticizer (D) 40 to 25 or 50 to 25.