Standard Number: FZ/T 50009.4-2019(FZ/T50009.4-2019)
Chinese:中空涤纶短纤维蓬松性和弹性试验方法
English:Test Method for Fluffiness and Elasticity of Hollow Polyester Staple Fiber
Effective Date:2020-04-01
Standard Applicability:This standard specifies the hollow polyester staple fiber fluffiness and elasticity test method. This standard applies to hollow polyester staple fiber. Other synthetic fibers can be used with reference.
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