Question: what is the difference between mil and gauge thickness?
Answer: Manufacturers commonly describe the thickness of their liners in MILs or Gauges. Some use the terms interchangeably as they are the same. ... MIL designated liners are 6-12% thicker than a Gauge designated liner for the same number. For example, a 25 MIL liner is about 12% thicker than a 25 Gauge liner.