Mil is a US engineering term for 1/1000th of an inch (from French mille for one thousand). Thus, 9 mil paper is

**0.009 inch**or**about 0.23 mm**thick. Doesn't sound like much, but newspaper and typing paper run about 2.5-**3.5 mils**. Photo paper used in 1-hour labs is about 8.5 mils thick.Keeping this in consideration, what is thicker 3 mil or 5 mil?

Laminating pouch film

**thickness**is measured in thousands of an inch, referred to as**mil**. The higher the**mil**, the**thicker**and more rigid the laminating will turn out. Pouch films generally come in 1.5**mil**,**3 mil**, 4**mil**,**5 mil**, 7**mil**, and 10**mil**.What is thicker 20 mil or 25 mil?

The most common term for vinyl, “

**mil**” (not to be confused with millimeter) is a unit of measurement equal to one thousandth of an inch. Therefore, a**20 mil**liner**thickness**is equal to**20**thousandths of an inch. The term “gauge” (not to be confused with**mil**), is a bit more of a moving target.What mil plastic to use for greenhouse?

One-year co-poly

**film**is available in 3, 4 and 6 mil thickness. Three or 4 mil**film**is common for one year use on narrow tunnels and overwintering houses. Greenhouse grade material, only available in 6 mil thickness, is best for multi-year applications.