Standard No.:	FZ/T 20028-2015
English Name:	Dehaired cashmere―Determination of fibre length and length distribution―Photoelectric method
Chinese Name:	分梳山羊绒 纤维长度和长度分布的测定 光电法
Chinese Classification:	W20    Wool textile in general
Professional Classification:	FZ    Professional Standard - Textile
ICS Classification:	59.080.01 59.080.01     Textiles in general 59.080.01
Source Content Issued by:	Ministry of Industry and Information Technology
Issued on:	2015-07-14
Implemented on:	2016-1-1
Status:	valid
Target Language:	English
File Format:	PDF
Word Count:	3500 words
Translation Price(USD):	100.0
Delivery:	via email in 1 business day

FZ/T 20028-2015 Dehaired cashmere - Determination of fiber length and length distribution - Photoelectric method 1 Scope This standard specifies the method for determining fiber length and length distribution parameters by photoelectric method. This standard is applicable to dehaired cashmere. This standard is not applicable to cashmere strips, loose cashmere fibers removed from yarns, or mixtures of cashmere and other fibers. This method may also be applicable to other animal fibers with a mean length similar to cashmere. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 6529 Textiles - Standard atmospheres for conditioning and testing GB/T 8170 Rules of rounding off for numerical values & expression and judgment of limiting values 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 photoelectric method method of determining fiber length by scanning test fiber beard with optical devices, also known as fibrograph method 3.2 fiber beard bundle of fibers sampled by a sampling clamp and brushed straight for scanning test during photoelectric length determination

Foreword i 1 Scope 2 Normative references 3 Terms and definitions 4 Principle 5 Apparatus and tools 6 Test specimen preparation 7 Test procedures 8 Test report