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This document was proposed by the China National Textile and Apparel Council.
This document is under the jurisdiction of the National Technical Committee on Textiles of Standardization Administration of China (SAC/TC 209).
Soft nonwoven towels
1 Scope
This document specifies the requirements, test methods, inspection rules, identification and packaging, transportation and storage of soft nonwoven towels.
This document is applicable to dry wipes for cleaning human skin, which are made of textile fibers and processed by non-woven technology.
2 Normative references
The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 2828.1 Sampling procedures for inspection by attributes — Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection
GB/T 2910 (All parts) Textiles — Quantitative chemical analysis
GB/T 2912.1 Textiles — Determination of formaldehyde — Part 1: Free and hydrolyzed formaldehyde (Water extraction method)
GB/T 3920 Textiles — Tests for colour fastness — Colour fastness to rubbing
GB/T 3922 Textiles — Tests for colour fastness — Colour fastness to perspiration
GB/T 5713 Textiles —Tests for colour fastness — Colour fastness to water
GB/T 6529 Textiles — Standard atmospheres for conditioning and testing
GB/T 7573 Textiles — Determination of pH of the aqueous extract
GB 15979 Hygienic standard for disposable sanitary products
GB/T 17592 Textiles — Determination of the banned azo colourants
GB/T 18318.1 Textiles — Determination of bending behavior — Part 1: Incline method
GB 18401-2010 National general safety technical code for textile products
GB/T 18412 (All parts) Textiles ― Determination of the pesticide residues
GB/T 18886 Textiles — Tests for colour fastness — Colour fastness to saliva
GB/T 24218.1 Textiles — Test methods for nonwovens — Part 1: Determination of mass per unit area
GB/T 24218.3 Textiles — Test methods for nonwovens — Part 3: Determination of tensile strength and elongation (strip method)
GB/T 24218.6 Textiles — Test methods for nonwovens — Part 6: Absorption
GB/T 24218.10 Textiles — Test methods for nonwovens — Part 10: Lint and other particles generation in the dry state
GB/T 29862 Textiles — Identification of fiber content
GB/T 30157 Textiles — Determination of total content of lead and cadmium
FZ/T 01057 (All parts) Test method for identification of textile fibers
FZ/T 01101 Textile test method — Fiber content — Quantitative physical analysis
FZ/T 01137-2016 Textiles — Determination of fluorescent brighteners
FZ/T 50014 Method for the determination of residual sulphur in viscoce fibres — Direct iodimetry
Safety and Technical Standards for Cosmetics (Edition 2015)
Chinese translation of International Nomenclature of Cosmetic Ingredients (INCI)
3 Terms and definitions
No terms and definitions are listed in this document.
4 Requirements
4.1 Basic requirements
4.1.1 Soft nonwoven towels shall not use any recycled raw materials, and shall not use toxic and harmful raw materials.
4.1.2 The additive for soft nonwoven towels shall meet the requirements of Clauses 2 and 3 of Safety and Technical Standards for Cosmetics (Edition 2015).
4.2 Inherent quality
See Table 1 for the requirements of inherent quality.
Table 1 Inherent quality requirements
Item Requirement
Tolerance of fiber content Complying with GB/T 29862
Coefficient of variation (CV value) of mass per unit area/% ≤ 10
Formaldehyde content/(mg/kg) ≤ 20
pH value 4.0 ~ 7.5
Peculiar smell None
Heavy metal a/(mg/kg) Lead ≤ 90
Cadmium ≤ 100
Decomposable carcinogenic aromatic amine dyes b/(mg/kg) Banned
Color fastness b/Grade Fastness to water (discoloration, staining) ≥ 4
Fastness to perspiration (discoloration, staining)
Fastness to dry rubbing
Fastness to wet rubbing
Fastness to saliva (discoloration, staining)
Flexibility Longitudinal and transverse bending length/(cm) M ≤ 70 ≤ 4.0
M > 70 ≤ 4.5
Coefficient of linting ≤ 4.5
Water absorption Water absorption time/s ≤ 5.0
Liquid absorption/% ≥ 500
Fluorescent brightener Not be detected
Longitudinal and transverse breaking force/N Dry state ≥ 15.0
Wet state ≥ 12.0
Pesticide residues c/(mg/kg) ≤ 0.5 (total)
Residual sulphur d/(mg/100 g) ≤ 10
Note: M is the measured unit area mass of soft nonwoven towel products, g/m2.
a Only the products containing paint printing and dyeing are assessed, and the index is the ratio of total lead and cadmium to paint quality.
b Only the dyed or printed parts are assessed, and natural color and bleached products are not required. See Annex C of GB 18401-2010 for the list of carcinogenic aromatic amines, with a limit less than or equal to 20 mg/kg.
c Only products containing cotton are assessed.
d Only products containing viscose fiber are assessed.
4.3 Microorganisms
See Table 2 for the requirements for microbial indicators.
Table 2 Requirements for microbial indicators
Item Requirement
Total bacterial count/(CFU/g) ≤ 200
Total fungal colony count/(CFU/g) ≤ 100
Coliforms Not be detected
Pathogenic pyogenic bacteria a Not be detected
a Pathogenic pyogenic bacterium refers to pseudomonas aeruginosa, staphylococcus aureus and streptococcus hemolyticus.
4.4 Appearance quality
See Table 3 for the requirements of appearance quality.
Table 3 Appearance quality requirements
Item Requirement
Deviation rate of specifications and dimensions/% ≥ -5.0
Shortage of internal quantity/piece (pcs or sheet) Q ≤ 50 0
Q > 50 ≤ Q × 1% a
Appearance defect It shall be clean and be free of foreign matter, damage, stains and other defects
Mesh or surface embossing b It shall be uniform
Note 1: Q refers to the nominal number of soft nonwoven towels in the minimum sales packaging unit, and the unit is piece, pcs or sheet.
a The calculation result of Q × 1% is an integer. If there is a decimal, add 1 to the integer as the result.
b Only soft nonwoven towels with mesh or surface embossing design are assessed.
5 Test methods
5.1 Determination of tolerance of fiber content
Tolerance of fiber content shall comply with the requirements specified in GB/T 2910 (all parts), FZ/T 01057 (all parts), and FZ/T 01101.
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
5 Test methods
6 Inspection rules
7 Identification and packaging
8 Transportation and storage
