WE USE SPIRIT WIPE PRIOR TO PAINTING BUT THAT ONLY REMOVES GREASE AND CONTAMINATES...SILICON IS HARD TO REMOVE AS YOU WILL JUST SPREAD IT AROUND ETC...THEY WAS A PRODUCT NAME I CANNOT REMEMBER THAT YOU PUT A DROP IN THE PAINT AND THAT WOULD REMOVE SILICON... FIH EYES ETC BUT IN TRUTH IT DID NOT BUT IT ONLY MADE ALL THE THE PAINT YOU MIXED ONE BIG HEAP OF SILICON WHICH WOULD INFEST YOUR FILTERS ETC