Metod for removing glued heatsink from fragile component

[harp]

I have peltir element glued to heatsink with something thick and sticky like putty... it cant be separate with force or heat without risk of breaking ceramic or damaged semiconductor layers due to force (eg if try twisted, pulled, lifted)... method that I am using is a single thread for needle (thin and firm thread of pure polyester that cant break with bare hands without glowes), and using it like a saw between heatsink and peltir. I holding a heatsink with knee against table. It slowly cut throug putty and release glued parts. It is slow proces, but preserve undamaged component and heatsink. Dont try to lift it unless you are completly finished. Be patient

[stj]

try white spirit to melt it

[CapLeaker]

99% IPA

[harp]

Are you sure that solvent can penetrate enough far, it is a large firm area, putty is based on some silicone/teflon grease with aditives and do not let liquid in... Anyway, who needed may try both, but caution that with nasty chemicals do not destroy element which want to save...

[lotas]

I think a thin guitar string would give a better effect.

Most likely it is Stars-922, heat-conducting (hot melt adhesive).