Automatic Digital Textile Testing Equipment Air Permeability Testing Machine

 Automatic Digital Fabric Textile Air Permeability Testing Machine

Application:
Air Permeability Testing Machineo determine the resistance of fabrics (woven, knitted and non woven textile materials) to the passage of air (air flow) under constant pre-set air pressure while firmly clamped in the test rig of selected test head/area.

Standard:
ASTM D737 Standard Test Method for Air Permeability of Textile Fabrics
ISO 9237 Textiles - Determination of the Permeability of Fabrics to Air
BS 5636,DIN 53887,AFNOR G07-111,EDANA 140.1,ISO 7231,ISO 9073-15,JIS L1096-A
TAPPI T251, WSP 070.1.R3, EDANA 140.2-99

Technical parameters:

Accessories:

TEST PROCEDURE

1.Test the conditioned specimens in the standard atmospherefor testing textiles, which is 21±1°C (70±2°F) and65±2 % relative humidity, unless otherwise specified in amaterial specification or contract order.

2. Handle the test specimens carefully to avoid alteringthe natural state of the material.

3. Place each test specimen onto the test head of the testinstrument, and perform the test as specified in the manufacturer’soperating instructions.

4. Place coated test specimens with the coated sidedown (towards low pressure side) to minimize edge leakage.

5. Make tests at the water pressure differential specifiedin a material specification or contract order. In the absence ofa material specification or contract order, use a water pressuredifferential of 125 Pa (12.7 mm or 0.5 in. of water).

6.Read and record the individual test results in SI units ascm³/s/cm² and in inch-pound units as ft³/min/ft² rounded tothree significant digits.