100% Virgin Teflon. White film in labeled plastic spool/box. Lubricates joints, making them easy to assemble for a leak proof seal. Mil spec T-27730A. Country of origin: China. Meets Jisk (Japan) Standards. Boxes of 1000 contain 10 cartons of 100.

Alternative to 3M #48 & #547

Mill:

• A "mil" is a unit of thickness equal to one thousandth of an inch. 
• To convert mil to inches take mil & divide by 1000. 
• Thus, a 2 mil bag would be .002 inches thick.
• Example: Ex: 2 mil/1000 =.002 inches