The black gold septa, also know as sticky nickels, are used to seal the needle puncture area when performing modified atmosphere packaging (MAP) sample testing. Use of a septum prevents air from entering the inside of the package while testing. It helps to ensure an accurate sample of MAP gas.
The black gold septa have features including instant adhesion even in moist environments but can also be easily removed immediately after a sample test. The pressure sensitive adhesive has been specifically selected for this unique application.
The black gold septum are 15 mm in diameter and 3.2 mm thick.
The part number is 001620 for a pack of 1,000 septa. (10 sheets of 100 septum). A case of 10,000 septa (10 packs of 1,000 septa) is available as part number 001621.