you should be fine as long as you dont hold it directly on the gasketed surface very long. sandblasting if youre using the right grain size typically won’t do very much harm to the metal beneath. at least thats the intent anyways…
you should be fine as long as you dont hold it directly on the gasketed surface very long. sandblasting if youre using the right grain size typically won’t do very much harm to the metal beneath. at least thats the intent anyways…