Wrinkle Recovery Tester

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Application

  • AATCC Wrinkle Recovery Tester is used for determining a fabric’s ability to recover after wrinkling under a pre-determined load for a set period of time.
  • A set of 5″x3″ dimensional plastic replicas is offered on request to grade the test samples 1 ~ 5.


Optional order

  • AATCC Wrinkle Recovery Tester Plastic Replicas (Set of 5)


Weight - 5 kg

Dimensions

  • Length : 150 mm
  • Width : 150 mm
  • Height : 330 mm


Standards

  • AATCC 128
  • ISO 9867
  • ENKA 3061


Why Do We Need to Test the Wrinkle Recovery of the Fabrics?
In the process of wearing and keeping the fabric, because of the external forces, such as folding, shearing, compression, bending and washing, it is difficult to return to the original level state even after removing the external force. This phenomenon is called wrinkle. Wrinkle not only seriously affects the appearance of fabric, but also leads to severe wear along the crease or wrinkle direction, which accelerates the damage of fabric. Therefore, crease recovery is one of the important indexes to evaluate the fabric’s properties.

Test Principle
Fabric wrinkle recovery instrument is used to test the recovery ability of fiber fabric samples under a certain load after bending for a certain time. Under the condition of standard atmospheric pressure, apply a predetermine pressure to the sample with the standard wrinkle device and keep the time set. The pressurized sample will produce uniform deformation through the whole structure of the instrument and the precise spiral column. Then the sample is compared with the standard sample and rated.

Sample Preparation

  • Cut three samples, 150mm * 280mm each. These should be cut with the long direction running in the warp or the wale direction of the fabric.
  • At 21±1℃ and 65±2% humidity, each sample remained at least 8 hours in the state.


Testing Procedure

  • All tests were performed at the environment of 21±1℃ and 65±2% humidity.
  • Raise the top flange of the recovery tester and fix it to the top of the tester with the lock pin.
  • Wrap one long edge of a pre-conditioned test specimen around the top flange of the wrinkle tester, with the face of the specimen on the outside. Fasten the specimen in position using one of the strips of Velcro.
  • Wrap the other end of the specimen on the flange, and then wrap the second piece of Velcro around the bottom of the specimen so that it forms a “closed tube” of fabric.
  • Adjust the bottom edge of the specimen so that it lies smoothly without sagging between the top and bottom flanges.
  • Withdraw the locking pin and lower the top flange gently with one hand until it comes to rest.
  • Immediately place a total mass of 3500 grams (all three weights) on the top flange and record the time.
  • After 20 minutes, remove the three weights and raise the top flange, carefully avoiding altering any of the induced wrinklings.
  • Clamp the short edge side of the sample with a clip and hang the sample on a hanger, so that the length direction of the sample is perpendicular to the ground.
  • After 24 hours in this conditioned atmosphere, take down the sample and rate it.




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