Quote:
Originally Posted by sawdustdad
1 mil = .001 inch
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Quote:
Originally Posted by dbuck
 1mm divided by 25.4 = .03937 of an inch. 
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You are of course correct, but so am I. 1 mil is NOT the same as 1mm.
Think about plastic poly sheeting (e.g., drop cloths, vapor barrier, etc) --they are labeled with thickness in mils, or thousandths of an inch as are so many other things. My blue nitrile disposable gloves for example are 5 mils. Definitely NOT 5mm thick.