This standard specifies the method for measuring the breaking strength and elongation at break of spandex yarns. This standard is not applicable to the determination of core-spun yarn and other products made of spandex yarn.
FZ/T 50006-1994 history
2013FZ/T 50006-2013 Testing method for tencity of spandex filament yarns
1994FZ/T 50006-1994 Test method for breaking strength and breaking elongation of spandex yarn