Many have acetic acid, it is the "self etching". It has a strong acid smell. It is NOT what you want.
Edit: OK I shall eat my words - if the plans say self etching, it IS what you want.
Op Lims in hand 12-7-17
1st Flight 1-27-18
2017 Dues Paid
Last edited by BillL : 05-13-2018 at 07:32 PM.