Die vorliegende Erfindung betrifft Wirkstoffmischungen zur Vertreibung von Schadtieren, deren Verwendung und solche enthaltende Kunststoffe.Active substance mixture comprises at least two compounds including: (a) compounds, which act on receptors of the class taste receptors of type-1 (T1R) (b) compounds, which act on receptors of the class taste receptors of type-2 (T2R) (c) compounds acting on ion channels of the class polycystic kidney disease-2 (PKD2) and (d) compounds acting on ion channels of the transient receptor potential vanilloid (TRPV) class. Independent claims are also included for: (1) harmful animal expelling plastic composition comprising at least one plastic including polyvinyl chloride (PVC), polyurethane and polyolefins, and at least one active substance mixture (2) a cable sheath or tube comprising the plastic composition and (3) use of active substance mixture for expelling harmful animals. ACTIVITY : Animal Repellent. No biological data given. MECHANISM OF ACTION : None given.