The etchant rinse away cleanly and quickly, leaving no residue. Apply etchant using a tip, a disposable syringe tip, or disposable brush tip. allow etchant to remain in palce for 15 seconds. begin timing at the end of application.
The etchant rinse away cleanly and quickly, leaving no residue. Apply etchant using a tip, a disposable syringe tip, or disposable brush tip. allow etchant to remain in palce for 15 seconds. begin timing at the end of application.