The air permeance of papers has a major importance in the specifiction of materials for the packaging and printing industries. The air permeance is the flow of air through unit area under unit pressure difference in unit time. This is under specified test conditions and is expressed in u m/(Pa.s).
The Densometer is very user friendly due to it’s built-in computer. It is also extremely reliable due to it’s fully automatic operation. This ensures preventing the risk of human errors. It offers complete statistics using an exclusive testing software. It also has a parallel port for the connection of a local printer. And a RS232 serial port for the connection to a computer.