Standard No.:	QB/T 4662-2014
English Name:	Knitting hat
Chinese Name:	编织帽
Chinese Classification:	Y75    Clothing, footgear and headwear in general
Professional Classification:	QB    Professional Standard - Light Industry
Issued by:	Ministry of Industry and Information Technology
Issued on:	2014-05-06
Implemented on:	2014-10-1
Status:	valid
Language:	English
File Format:	PDF
Word Count:	3000 words
Price(USD):	160.0
Delivery:	via email in 1 business day

Knitting hat 1 Scope This standard specifies the requirements, test methods, inspection rules, marking, packaging, transportation and storage of knitting hat. This standard is applicable to knitting hats produced and processed from wood fiber craft woven paper, and may be serve as reference for knitting hats produced and processed from natural grass (buntal, hemp, aquatic plants, corn husks, raffia, wheat straw, tetrapanax papyrifer, etc.) and natural flat viscose fibers. 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 191 Packaging - Pictorial marking for handling of goods GB/T 250 Textiles - Tests for colour fastness - Grey scale for assessing change in colour GB/T 251 Textiles - Tests for color fastness - Grey scale for assessing staining GB/T 2912.1 Textiles - Determination of formaldehyde - Part 1: Free and hydrolyzed formaldehyde (water extraction method) GB/T 3920 Textiles - Tests for color fastness - Color fastness to rubbing GB/T 3922 Textiles - Testing method for color fastness to perspiration GB/T 5713 Textiles - Tests for color fastness - Color fastness to water GB/T 6388 Transport package shipping mark GB/T 6543 Single and double corrugated boxes for transport packages GB/T 7573 Textiles - Determination of pH of aqueous extract GB/T 8427 Textiles - Tests for color fastness - Color fastness to artificial light: Xenon arc fading lamp test GB/T 17592 Textiles - Determination of the banned azo colorants GB/T 18401 National general safety technical code for textile products GB/T 22820 Craftwork paper 3 Requirements 3.1 Raw material The wood fiber craft woven paper used for the product shall meet the requirements of GB/T 22820.

Foreword i 1 Scope 2 Normative references 3 Requirements 4 Test methods 5 Inspection rules 6 Marking, packaging, transportation and storage