Air Permeability Test Procedure For Fabric

A circle of fabric is clamped into the tester and through the use of a vaccum the air pressire is made.

Air permeability test procedure for fabric.

When you do air permeability testing for fabric there is different air permeability test method. Place the specimen on the specimen fixing plate i. Now tighten the specimen clamp securely. Read and record the individual test results in si units or in.

Air permeability tester of textile fabrics complies with astm d737 iso 9237 7231 bs 5636 etc. Fabric air permeability is a nature of air passing through fabric normally under the situation that two sides of fabric exist pressure difference that is to say it is speed that airflow vertically goes through fabric in a prescribed test area pressure drop and time whose unit is mm s or m s. The volume of air passed per second through per unit area of the fabric is called air permeability of fabric. To minimize air edge leakage.

How the test works. According to these test methods the airflow through a given area of fabric is measured at a constant pressure drop across the fabric. Air permeability tester price is competitive. 1 first of all open the specimen clamp j.

Fabric air permeability test. This is often referred to as uncontrolled ventilation. It is used to test the resistance of the flow of air through fabrics. The whole testing procedure gets completed in below steps.

Air permeability testing apparatus circular test head with a test area of 5 93 square inches 15 07 cm.