Tom's Hardware Stinky thermal paste emits acidic vapors, corrodes copper, 'glues' heatsinks to processors, and permanently damages coolers - SGT-4 TIM is a chemically reactive blend, finds investigation
An investigation revealed that the popular low-cost Amech SGT-4 thermal paste is a chemically reactive PDMS-based compound containing that releases acetic acid, produces a vinegar odor, corrodes copper surfaces, and even creates ant holes on surfaces.