T/MYXZX 001-2018 Abolished Group standards

T/MYXZX 001-2018 Crudely woven rabbit hair yarn

Publish Date: 2018-12-10 Implement Date: 2018-12-30 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/MYXZX 001-2018

Standard Type: Group standards

Standard Status: Abolished

is_force_gb: no

CCS Name: Wool yarn and thread

ICS Name: Yarn

Publish Date: 2018-12-10

Implement Date: 2018-12-30

Scope

Scope: This standard specifies the technical requirements, test methods, acceptance rules, packaging, and marking for coarse-combed rabbit wool yarn. This standard applies to the evaluation of the quality of coarse-combed pure rabbit wool yarn. Main technical contents: Technical requirements include: safety requirements, grading specifications, internal quality, and external quality. Safety requirements: The safety requirements for coarse-combed rabbit wool yarn shall comply with the provisions of GB 18401. Grading specifications: The grade of coarse-combed rabbit wool yarn shall be evaluated based on the inspection results of internal quality and external quality, with the lowest score determining the grade. It is divided into excellent quality, first-class quality, and second-class quality. Products below second-class quality are classified as substandard. Internal quality requirements: The internal quality grade shall be evaluated based on physical indicators and dye fastness, with the lowest score determining the grade. Dye fastness evaluation: The dye fastness shall be evaluated according to Table 2 and the provisions of GB 250 and GB 251, and classified into excellent quality, first-class quality, and second-class quality. Products below second-class quality are classified as substandard. External quality: The appearance defects of rabbit wool yarn shall be evaluated according to Table 3, with the lowest score determining the grade. Yarn surface defects: The defects on the surface of the yarn shall be evaluated within the length wrapped on the front and back sides of ten pieces of blackboards, and compared with the photos of coarse-combed wool yarn defects according to Table 3.