FZ/T 73023-2006 English PDF (FZT73023-2006)

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FZ/T 73023-2006: Antibacterial knitwear
FZ/T 73023-2006
TEXTILE INDUSTRY STANDARD
OF THE PEOPLE’S REPUBLIC OF CHINA
ICS 59.080.30
W 63
Antibacterial knitwear
抗菌针织品
ISSUED ON: MARCH 07, 2006
IMPLEMENTED ON: AUGUST 01, 2006
Issued by: National Development and Reform Commission of PRC
Table of Contents
Foreword ... 3 
1 Scope ... 4 
2 Normative references ... 4 
3 Terms and definitions... 4 
4 Product categories and variety specifications ... 5 
5 Requirements ... 5 
6 Test methods ... 7 
7 Inspection rules ... 8 
8 Packaging and marking ... 8 
Appendix A (Normative) Standard blank sample ... 10 
Appendix B (Normative) Standard detergent ... 11 
Appendix C (Normative) Washing test method of antibacterial fabric sample ... 12 
Appendix D (Normative) Test methods of antimicrobial fabrics ... 14 
Appendix E (Normative) Dissolution test method for antibacterial substances - Halo
method ... 28 
Antibacterial knitwear
1 Scope
This standard specifies the requirements, test methods, inspection rules, packaging and
marking of antibacterial knitwear.
This standard applies to antibacterial knitwear, which is made of natural fibers,
chemical fibers, blended fibers.
2 Normative references
The provisions in following documents become the provisions of this Standard through
reference in this Standard. For the dated references, the subsequent amendments
(excluding corrections) or revisions do not apply to this Standard; however, parties who
reach an agreement based on this Standard are encouraged to study if the latest versions
of these documents are applicable. For undated references, the latest edition of the
referenced document applies.
GB/T 4856 Package of cotton goods and knitwear
GB 5296.4 Instructions for use of products of consumer interest - Part 4: Textiles
and apparel
GB 7919 Procedures and methods of safety evaluation for cosmetics
GB/T 8629-2001 Textiles - Domestic washing and drying procedures for textile
testing
GB 18401-2003 National general safety technical code for textile products
3 Terms and definitions
The following terms and definitions apply to this standard.
3.1
Antibacterial fiber
Chemical fiber, which has antibacterial substance and antibacterial function.
3.2
Antibacterial finish
The dyeing and finishing process of treating textiles, by the use of antibacterial
substances, to make them have antibacterial functions.
3.3
Antibacterial finishing agent
Antibacterial substances, which are used as antibacterial finishing of textiles.
According to its dissolution characteristics on fabric fibers, it can be divided into
two categories: Dissolution type antibacterial finishing agents and non-dissolution
type antibacterial finishing agents.
3.4
Antibacterial knitwear
Knitwear, which is subject to antibacterial finishing OR contains antibacterial fibers,
that can inhibit the growth, reproduction of bacteria and fungi on the fabric OR
inactivate them.
4 Product categories and variety specifications
4.1 According to fiber raw materials, products can be divided into knitwear of natural
fiber, chemical fiber, blended fiber.
4.2 According to the product structure, the products can be divided into knitted products
partially inlaid or patched with antibacterial fabrics AND knitted products composed of
antibacterial fabrics as a whole.
4.3 According to the use of the products, the products can be divided into knitted
underwear, underwear, sportswear, T-shirts, socks, hats, bras, abdominal belts,
swimwear, other knitted products and various knitted fabrics.
4.4 The varieties and specifications of various products shall be implemented, in
accordance with the current national standards or industry standards, for the
corresponding knitwear.
5 Requirements
The requirements of antibacterial knitwear are divided into four aspects: intrinsic
quality, appearance quality, antibacterial effect, safety.
5.3 Safety
5.3.1 The antibacterial substances, which are used in antibacterial knitwear, must be
approved by relevant departments AND have a test report from a qualified organization
(chemical content test method of antibacterial substances, acute oral toxicity, skin
irritation, eye irritation, mutagenicity, the test report corresponding to the products).
The instructions for use, which is provided by the manufacturer of antibacterial
substances, according to the function promotion of the manufacturer, shall show the test
report of the test content corresponding to its function promotion.
5.3.2 The skin irritation and allergy, which are caused by the leaching of antibacterial
substances, which are used in antibacterial knitwear, shall be negative in the body patch
test, according to GB 7919.
5.3.3 Antibacterial knitwear shall meet the requirements of GB 18401-2003.
5.3.4 Dissolution index of antibacterial substances, which are used to antibacterial
knitwear: After the antibacterial fabric is washed once, the width of the antibacterial
ring D ≤ 5 mm.
6 Test methods
6.1 Inspection of intrinsic quality and appearance quality
The test methods for the intrinsic quality and appearance quality of various antibacterial
knitwear shall be implemented, in accordance with the current national standards or
industry standards, for the corresponding knitwear.
6.2 Inspection of antibacterial effects
6.2.1 Test according to the Quinn method, absorption method or oscillation method, in
Appendix D of this standard.
6.2.2 The arbitration inspection method for grade A products shall be implemented,
according to the absorption method in Appendix D of this standard.
6.2.3 The arbitration inspection method of grade AA products and grade AAA products
shall be implemented, according to the oscillation method in Appendix D of this
standard.
6.3 Dissolution test of antibacterial substances used in antibacterial knitwear
It is performed, according to the halo method, as shown in Appendix E of this standard.
7 Inspection rules
7.1 For the sampling quantity and rules of various types of antibacterial knitwear, in
addition to following the current national or industrial standards for the corresponding
knitwear, during the sampling, it shall randomly take about 200 g of antibacterial fabric
samples, for the antibacterial effect testing and the testing of dissolution of antibacterial
substances.
7.2 The intrinsic quality and appearance quality of all kinds of antibacterial knitwear
shall be evaluated, according to the current national standards or industry standards, for
the corresponding knitwear.
7.3 All kinds of antibacterial knitwear shall be evaluated whether they meet the
requirements, according to the provisions in GB 18401-2003.
7.4 The relevant testing report, which is issued by the qualified organization of the state,
is based to evaluate the antibacterial substances, which are used in antibacterial
knitwear.
7.5 The testing report of the body patch test, which is issued by the qualified
organization of the state, is based, to evaluate the skin irritation and allergenicity of the
leaching substance of the antibacterial substances, which are used in the antibacterial
knitwear.
7.6 For randomly selected antibacterial fabric samples, evaluate the antibacterial effect,
according to the bacteriostatic rate index, which is specified in Table 1 of this standard.
7.7 For randomly selected antibacterial fabric samples, evaluate the dissolution of
antibacterial substances, according to the index, ...