TQD-G1 Air Resistance Tester for Paper to measure the resistance of fabrics (woven, knitted and non woven textile materials) to the passage of air under constant preset air pressure.
TQD-G1 Air Resistance Tester for Paper employs two methods:
- Method A
Providing a constant air flux going through the specimen vertically, the air permeability could be obtained by measuring the pressure difference.
- Method B
Providing the constant pressure difference between two sides of the specimen, the air permeability could be obtained by measuring the air flux through specific area in the certain time.
TQD-G1 Air Resistance Tester for Paper conforms to ISO 9237, ISO 4638, ISO 5636, GB/T 10655, GB/T 5453, GB/T 4689.22, GB/T 13764, ASTM D737, TAPPI T460, JIS P8117