[Beginner] How much cutting it too much?

[Accumulator]

Amigo ! Hope all has been well with you and yours ! It`s been hotter than heck out here in the NorCal Farmlands...
Another week of 100+ temps..

Hey Dan! Man..I never meant to fall so completely out of touch, things`ve been awfully busy here and we`re having a hot year too. Accumulatorette just as it`s nothing compared to growing up in Memphis without AC

It is 25.4 microns = 1 mil = 1 thousandth of an inch...

Thanks! I was gonna guess "26" but just wasn`t sure I was remembering it right. Wonder what the guidelines are now, oe paintjobs are getting so thin!