This standard specifies the test method for the crimpability of three-dimensional crimped polyester fibers. This standard is mainly applicable to the test of the crimping properties of three-dimensional crimped polyester short fibers.
FZ/T 50009.3-1998 history
2007FZ/T 50009.3-2007 Testing method for crimping performance of hollow polyester staple fibres
1998FZ/T 50009.3-1998 Testing method for crimping performance of three-dimensional crimp polyester staple fibres