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We present the performance of Multi-gap timing RPCs under irradiation byfully stripped relativistic ions (gamma*beta=2.7, Z=1-6). A time resolution of80 ps at high efficiency has been obtained by just using standard `off theshelf' 4-gap timing RPCs from the new HADES ToF wall. The resolution worsenedto 100 ps for ~ 1 kHz/cm2 proton flux and for ~ 100 Hz/cm2 Carbon flux. Thechambers were operated at a standard field of E=100 kV/cm and showed a highstability during the experiment, supporting the fact that RPCs are a convenientchoice when accommodating a very broad range of ionizing particles is needed.  The data provides insight in the region of very highly ionizing particles (upto x 36 mips) and can be used to constrain the existing avalanche andSpace-Charge models far from the usual `mip valley'. The implications of theseresults for the general case of detection based on secondary processes (n,gamma) resulting in highly ionizing particles with characteristic energydistributions will be discussed, together with the nature of the time-chargecorrelation curve.

Performances of multi-gap timing RPCs for relativistic ions in the range Z=1-6