China has issued a new version of its industry standard for knitted casual wear, which came into effect on July 1, 2020.
Published by the Ministry of Industry and Information Technology, FZ/T 73020-2019 covers products that are primarily manufactured using knitted fabrics. It does not apply to products made for infants aged 36 months or under.
There are multiple updates in FZ/T 73020-2019, in comparison to the 2012 iteration. Alterations include:
- Instructions that children’s product use must comply with a specified clause in GB 31701
- Terms and definitions for mini shorts and fluorescence color
- Labeling rules for sizes beyond the standard
- Applicable scope for the colorfastness of natural color or bleached fabrics
- Assessment for results and single sample
- Colorfastness for linings
- Test items for appearance after washing
- Requirements and test methods for the staining degree of soap solution
- Requirements covering colorfastness to light for apparel in fluorescence color
The new standard contains adjustments to:
- Normative references
- Requirements for colorfastness to rubbing, light, dry-cleaning, and light of textiles wetted with artificial perspiration
- Requirements covering pilling
- Requirements covering spirality for tops after laundering
- Measurement description for spirality after laundering
Revisions include:
- Applicable scope
- Test method for colorfastness to transfer in joints
- Sewing requirements
- Specification of sampling number
The new standard has removed:
- Net dry content requirement for fiber content
- Annex A of FZ/T 73020-2012
- Requirements for dresses and short skirts
- Requirements for colorfastness for prints and pyrographics
The standard contains technical requirements relating to:
- Appearance: defects, dimension tolerance, dimension difference in symmetrical position, and sewing requirements
- Internal quality: fiber content, formaldehyde content, pH value, odor, decomposable carcinogenic aromatic amines, bursting strength, pilling, dimension change after laundering, dimension change after dry-cleaning, spirality after laundering, appearance after laundering, and multiple requirements relating to colorfastness
Stakeholders are advised to now check their knitted casual wear conforms to the latest version of FZ/T 73020.
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