FZ/T 71002-2015Woollen knitting yarn (English PDF)

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules.

Instead of the standard FZ/T 71002-2003 "coarse knitting wool carding", compared with FZ/T 71002-2003, the main changes are as follows.

--- Increasing the normative references;

--- Increased security requirements should be consistent with the provisions of GB 18401;

--- Grading to superior products, first-class products, qualified products;

--- Physical indicators rating main changes are.

- fiber content according to GB/T 29862 execution;

- Remove the original table 1 NOTE. When that is finished in a fiber content of less than 10%, in an amount not greater than the absolute value of the deviation marked 30% of the content;

- single yarn breaking strength to single yarn breaking strength;

- Notes to Table 1 footnote.

--- Fastness rating main changes are.

- abolition of the "first-class product allows a lower half of the level; there are less than half a grade or two lower than the one who dropped a second product; where low it was reduced to second-class goods substandard goods "provision;

- increase of qualified products index requirements;

- light dark products first-class product requirements from the 3-4 to level 4, washable, color changes in the water level by up to 3 3-4;

- increased perspiration (acid), resistant to dry cleaning indicators;

- cotton staining of adjacent to other staining;

- Change the table Note 2 tables of contents.

--- Appearance quality rating main changes are.

- Modify the table knot defect assessment index 3;

- Table 4 winning sample to sample letters;

- knitting and other provisions given increased qualified product defect limits.

--- Test Method main changes are.

- increased safety requirements test methods.

--- Inspection rules main changes are.

- included in the original standard 4.1 and 4.2 in Chapter 5, and the editorial changes;

- cancel the original standard specified in Table 5 times the weight of the test sample;

- increase of biodegradable carcinogenic aromatic amine dyes, formaldehyde content, pH value of the test specimen sampling requirements;

- Appearance quality the number of samples in batches instead of at least 1% (less than 2.5kg);

- Change the determination method.

--- Acceptance criteria as a separate chapter and the editorial changes, while clearly the number of reinspection;

--- Appendix A abolish the "relevant provisions of the wool fiber content of the product"; the color changed to not less than 4;

--- Appendix B order to re-do the adjustment, taking the number of deleted head on the amount of claims, remove feather yarn appearance defect described.

The standard proposed by China Textile Industry Association.

This standard by the National Standardization Technical Committee Textile Wool Textile Technical Committee (SAC/TC209/SC3) centralized.

This standard was drafted. Beijing Woolen Textile Institute of Science and Inspection Center, Heng Yuan Xiang (Group) Co., Ltd., Zhejiang tripod Textile Co., Division, Bank of Ningxia Cashmere Industry Co., Ltd.

1 Scope

This standard specifies the rough carding knitting yarn technical requirements, test methods, inspection rules, inspection rules, packaging and identification.

This standard applies to identification of carded wool, wool blended knitting yarn quality and non-wool fibers of wool knitting yarn.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document.

GB/T 250 textile color fastness test assessing change in color like the gray card GB/T 4841.3 standard depth dyeing Card 2/1,1/3,1/6,1/12,1/25 GB 5296.4 consumer use - Part 4. Textiles and Clothing GB/T 5706 Textile terms (gross section) GB 9994 the moisture regain of textile materials GB 18401 National Safety Technical Code for Textile Products Logo GB/T 29862 textile fiber content FZ/T 20015.6 wool product classification, nomenclature and numbering wool Wool Test Method FZ/T 70001 knitting and knitting

3 Technical requirements