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Delivery: <= 5 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 31009-2020: Foot protection--Critical substance requirements and test methods for footwear Status: Valid GB/T 31009: Historical versions
Basic dataStandard ID: GB/T 31009-2020 (GB/T31009-2020)Description (Translated English): Foot protection--Critical substance requirements and test methods for footwear Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: C73 Classification of International Standard: 13.340.50 Word Count Estimation: 26,296 Date of Issue: 2020-07-21 Date of Implementation: 2021-02-01 Older Standard (superseded by this standard): GB/T 31008-2014, GB/T 31009-2014 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 31009-2020: Foot protection--Critical substance requirements and test methods for footwear---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.Foot protection--Critical substance requirements and test methods for footwear ICS 13.340.50 C73 National Standards of People's Republic of China Replace GB/T 31008-2014, GB/T 31009-2014 Footwear (boots) limited substance requirements and test methods 2020-07-21 released 2021-02-01 implementation State Administration for Market Regulation Issued by the National Standardization Management Committee Table of contentsForeword Ⅰ 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 Classification of restricted substances and classification of safety requirements 2 4.1 Classification of restricted substances 2 4.2 Security requirements level 2 5 Limited substances and their categories in shoes (boots) 2 6 Security requirements 4 6.1 General 4 6.2 A-level and B-level index requirements 4 7 Test method 5 7.1 Test item 5 7.2 Sampling 5 7.3 Sample preparation 5 7.4 Sample test 5 7.5 Judgment Rule 6 8 Inspection report 6 Appendix A (informative appendix) Shoes (boots) materials 7 Appendix B (informative appendix) Characteristics and hazards of restricted substances 10 Appendix C (Normative Appendix) Limited substances 15 Appendix D (informative appendix) Selection of shoe (boot) materials 19 Appendix E (Normative Appendix) Heavy Metal Detection 20 Reference 23 Footwear (boots) limited substance requirements and test methods1 ScopeThis standard specifies the classification of limited substances in foot protective shoes (boots), the classification of safety requirements, the limited substances in shoes (boots) and their Categories, safety requirements, test methods and inspection reports. This standard applies to shoes (boots) that protect the wearer's feet and legs from hazards in the work area. This standard does not apply to shoes (boots) containing electronic and electrical components, and does not include chemical analysis of metal parts.2 Normative referencesThe following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this document. For undated references, the latest version (including all amendments) applies to this document. GB/T 2912.1-2009 Determination of formaldehyde in textiles Part 1.Free and hydrolyzed formaldehyde (water extraction method) GB/T 6682-2008 Analysis laboratory water specifications and test methods GB/T 17592-2011 Determination of banned azo dyes in textiles GB/T 18414.1-2006 Determination of chlorophenol in textiles Part 1.Gas chromatography-mass spectrometry GB/T 18414.2-2006 Textiles-Determination of chlorophenol-Part 2.Gas chromatography GB/T 19941.1 Determination of formaldehyde content in leather and fur Part 1.High performance liquid chromatography GB/T 19941.2 Determination of formaldehyde content in leather and fur Part 2.Spectrophotometry GB/T 19942 Determination of banned azo dyes in leather and fur chemical test GB/T 22807 Leather and fur chemical test Determination of hexavalent chromium content GB/T 22808-2008 Leather and fur chemical test Determination of pentachlorophenol content GB/T 24513 (all parts) Corrosion of metals and alloys Indoor atmospheric low-corrosion classification GB/T 26713-2011 Chemical test method for footwear-Determination of dimethyl fumarate (DMF) GB 30000.22 Rules for Classification and Labeling of Chemicals Part 22.Germ Cell Mutagenicity GB 30000.23 Chemical Classification and Labeling Specification Part 23.Carcinogenicity GB 30000.24 Rules for Classification and Labelling of Chemicals Part 24.Reproductive Toxicity ISO 17234-2 Determination of specific azo dyes in leather dyed leather Part 2.Determination of 4-aminoazobenzene3 Terms and definitionsThe following terms and definitions apply to this document. 3.1 Limited substances Chemical substances in shoes (boots) or shoe (boots) materials that endanger the health of the wearer and/or have adverse effects on the environment. 3.2 Ecological Using raw materials that are harmless or less harmful to the environment, so that the product does not endanger human health during production and use. Note. Rewrite GB/T 18885-2009, definition 3.1. 3.3 Basic security The characteristic of avoiding the residual harmful substances in the product to cause human diseases or health conditions. 3.4 Security requirements Avoid the ecological and basic safety requirements that cause harm to human health and the environment during the production and use of foot protective shoes (boots). 3.5 Material safety In order to avoid the limited substances in the shoe (boot) material from causing human disease or deterioration of health, the material should have characteristics.4 Classification of restricted substances and classification of safety requirements4.1 Classification of restricted substances According to the impact of limited substances in shoes (boots) or shoe (boots) components on humans and the environment, they are divided into 5 categories. ---Limited substance category 1, chemical substances that have been proved to be harmful to the wearer; Note. EU regulations have restricted the use of such substances. ---Limited substance category 2, chemical substances that are harmful to the wearer; Note. Some countries restrict the use of such substances in regulations. ---Limited substance category 3, chemical substances that have adverse effects on the ecological environment; Note. Such substances are involved in the European Ecolabel. ---Limited substance category 4, chemical substances that are highly suspected of having harmful effects on the wearer; ---Limited substance category 5, chemical substances suspected to be harmful to the wearer. 4.2 Classification of safety requirements According to the safety requirements, the restricted substances in shoes (boots) are divided into A and B levels, as follows. ---A level, in line with ecological requirements; ---B level, in line with basic safety requirements. 5 Limited substances and their categories in shoes (boots) The limited substances in shoes (boots) are mainly derived from raw materials and various chemical additives in the processing and production process. Table 1 Pairs of shoes (boots) materials Substances that may exist in the restricted quantities are classified. 5.0mg/kg, the detection limit of cadmium is 1.0mg/kg. 7.4.3 Determination of free hydrolyzed formaldehyde content Prepare samples according to 7.3, and test the free hydrolyzed formaldehyde content of leather and leather materials and synthetic materials according to GB/T 19941.1 According to GB/T 19441.2, the test based on the free hydrolyzed formaldehyde content of textiles and fiber materials is in accordance with GB/T 2912.1- The.2009 regulations are implemented, and the detection limit is 20mg/kg. 7.4.4 Determination of Pentachlorophenol and Tetrachlorophenol Prepare the sample according to 7.3, and the test of pentachlorophenol in leather and leather-based materials shall be carried out in accordance with the regulations of GB/T 22808-2008. The limit is 0.1mg/kg; based on the test of pentachlorophenol (PCP) and 2,3,5,6-tetrachlorophenol (TeCP) in textiles and fiber materials GB/T 18414.1-2006 or GB/T 18414.2-2006 regulations are implemented, the detection limit of GB/T 18414.1-2006 is 0.05mg/kg, The detection limit of GB/T 18414.2-2006 is 0.02mg/kg. 7.4.5 Determination of decomposable hazardous aromatic amine dyes Prepare samples according to 7.3, and test leather and decomposable harmful aromatic amine dyes based on leather materials and synthetic materials according to According to GB/T 19942, ISO 17234-2, the detection limit is 30mg/kg; decomposable harmful aromatic amines based on textiles and fiber materials The dye test is carried out in accordance with GB/T 17592-2011, and the detection limit is 5mg/kg. 7.4.6 Determination of N-nitrosoamine Prepare the sample in accordance with 7.3.The test of N-nitrosoamine in the rubber parts is carried out in accordance with GB/T 24513, and the detection limit is 0.5 mg/kg. 7.4.7 Determination of dimethyl fumarate The sample was prepared according to 7.3, and the test of dimethyl fumarate was carried out in accordance with the regulations of GB/T 26713-2011, and the detection limit was 0.060 mg/kg. 7.5 Judgment rules 7.5.1 The level of safety requirements shall be determined in accordance with the requirements of Table 2 and Table 3. 7.5.2 Perform the test in accordance with Table 3.If the test results of the samples all meet the requirements of Class A or Class B in Table 2, it is determined that the batch of products meets Class A or Class B. 7.5.3 Perform the test in accordance with Table 3.If one of the test results of the sample does not meet the requirements of Class A or Class B in Table 2, it will be judged Determined that the batch of products does not meet A or B level. 7.5.4 Carcinogenic dyes, allergenic disperse dyes, short-chain chlorinated paraffins, dangerous flame retardants, alkylphenols and alkylphenol polyoxyethylene ethers, organic For tin compounds and phthalate substances, provide unused integrity declaration documents or compliance verification reports.8 Inspection reportThe inspection report should include the following. a) Number of this standard; b) Sample name, production unit and production date or batch number; c) Name of sampling site or test material; d) The standard number of the test method; e) inspection results; f) Abnormal conditions during the inspection; g) Inspector and date.Appendix A(Informative appendix) Shoes (boots) material A.1 Leather Leather refers to the rawhide with most of the integrity of the natural fiber structure, which is not perishable after tanning. Raw hides can also be in After layering, tanning is performed to obtain split leather. The upper layer with grain is called the first layer leather, and the following parts are the second layer leather and the third layer leather. If leather There is a coating on the surface, and the thickness of the coating does not exceed 0.15mm. A.2 Film leather The coating on the leather surface does not exceed one-third of the total thickness of the product, and the coating thickness is greater than 0.15mm. A.3 Recycled leather Recycled leather refers to tearing and grinding the corners of the leather into fibers, then bonding them in a mechanical and physical state by a binder, squeezing them into a sheet, and then passing The materials are processed by splitting, grinding, surface coating, etc. Recycled leather cannot be called leather. A.4 Polyvinyl chloride Polyvinyl chloride (PVC) is a polymer made from vinyl chloride. PVC is stable in nature, not easily corroded by acid and alkali, and relatively heat resistant. When PVC is used as a shoe material, some plasticizers are usually added in order to enhance its flexibility. PVC can also be used as a coating material for coated textiles and patent leather. A.5 EVA foam material Ethylene-vinyl acetate copolymer (EVA) is made by copolymerizing ethylene (E) and vinyl acetate (VA). EVA expandable foam, It has the properties of softness, good elasticity, and chemical resistance, and is widely used in shoe sole materials. A.6 Rubber, synthetic rubber and foam rubber Rubber refers to natural or synthetic elastic polymers (elastomers). Synthetic rubber refers to rubber produced by the non-biological method of polymerizing one or several monomers. Foam rubber is a porous rubber with closed pores made of dense rubber compound. Rubber has good physical properties and chemical resistance, and is widely used in the soles of various footwear. A.7 Polyurethane Polyurethane (PU) is called polyurethane, a polymer whose molecular chain has repeating structural units of urethane group (-NHCOO-). Gather Urethane is formed by the reaction of isocyanate and hydroxyl-containing compound. Therefore, in addition to urethane groups, typical polyurethanes can also contain aliphatic hydrocarbons, esters, Ether, amide, urea and other groups. Due to the different chemical components used, different properties can be obtained, such as thermoplasticity, thermosetting, hard or flexible, microporous Or close and so on. PU has been widely used in shoe materials, pipe materials and other industries. A.8 Polyethylene-polypropylene copolymer Polyethylene-polypropylene copolymer (PE-PP) is a thermoplastic elastomer with the processability of plastic and the flexibility and durability of rubber. It is lighter and easier to shape. Because its structure includes block copolymers, it contains both elastic segments with rubber properties and rigid segments (room temperature Below), these properties provide favorable conditions for the production of thermoplastic materials. A.9 Polyester fiber Polyester fiber is a fiber composed of linear macromolecules containing at least 85% (mass fraction) of glycol terephthalate in the molecular chain. The trade name of polyester fiber is polyester, which has good wrinkle resistance, electrical insulation properties and friction resistance, and is a type of synthetic fiber that is currently widely used. A.10 Polyamide fiber Polyamide fiber is a fiber composed of repeating amide bond linear macromolecules, of which at least 85% (mass fraction) of amide bond and lipid Group or alicyclic units are connected. Polyamide fiber is also called nylon and nylon. Polyamide fiber has good toughness, abrasion resistance, electrical insulation, and is widely used in the textile industry. A.11 Chlorine fiber Chlorine-containing fiber is composed of vinyl chloride or vinylidene chloride chain containing more than 50% (mass fraction) in the molecular chain (when the rest of the molecular chain When it is acrylonitrile, there should be more than 65% to exclude the fiber composed of linear macromolecules of modified polyacrylonitrile fiber. Chlorine fiber has good flame retardancy, warmth retention and chemical resistance, but poor heat resistance. Mainly used to manufacture flame-retardant textiles and chemical resistant Learn textiles, wool, etc. A.12 Polyacrylonitrile fiber Polyacrylonitrile fiber is a fiber composed of linear macromolecules with at least 85% (mass fraction) of acrylonitrile repeating units in the molecular chain. Polyacrylonitrile fiber, also known as acrylic fiber, has the advantages of softness, bulkiness, light resistance, antibacterial, etc., and its textiles are widely used in the textile field. A.13 Natural textiles Fabrics spun from natural fibers such as cotton and linen. The processing degree of natural fiber is very low, and the porosity of the fiber is maintained. The fabric has good softness, moisture absorption, air permeability and antistatic properties. A.14 Adhesive Adhesives, also called adhesives, are sticky substances that hold separated materials together through surface contact. Adhesive There are many types of organic adhesives, such as synthetic resin and synthetic rubber. In the shoe industry, adhesives are mainly used to bond shoe uppers and The sole is also used for bonding small parts. A.15 Textile printing and dyeing auxiliary Textile printing and dyeing is a process of printing colors on textiles or non-woven fabrics with clear patterns or designs. Proper printing, dyeing and textile The fiber combination on the product is waterproof and abrasion resistant. Printing and dyeing paste contains dyes and pigments, as well as binders and thickeners (such as starch, flour, gum arabic, dextrin or egg White), filler and coal dye.Appendix B(Informative appendix) Characteristics and hazards of restricted substances B.1 Decomposable harmful aromatic amine dyes B.1.1 Features It can decompose harmful aromatic amine dyes, which are called "banned azo dyes". Azo dyes are inexpensive, have a wide chromatographic range, and have color strength Strong, so it is widely used in the dyeing and printing of textiles and leather products. Azo dyes are released by reductive decomposition under certain conditions. Carcinogenic aromatic amine organic compounds. The list of harmful aromatic amines is shown in Table C.1. B.1.2 Hazards Harmful aromatic amines change the DNA structure of the human body through activation, causing disease and cancer. Many countries have banned the use of decomposable harmful aromatic amine dyes. B.2 N-nitrosoamine B.2.1 Features N-nitrosoamine is a general term for substances containing -NN=O functional group. N-nitrosoamine is mainly produced during the rubber vulcanization process, partly It is discharged in the form of smoke, and part of it remains in the rubber product in solid form. Under certain conditions of use, these N-nitrosamines will be released. It is harmful to the human body if released. B.2.2 Hazards N-nitrosamine can not only cause cancer in a variety of animals, but also carcinogenic to humans. N-nitrosamine can be absorbed and breathed through the skin System, digestive system, etc. enter the human body and eventually induce cancer. The list of N-nitrosoamines is shown in Table C.2. B.3 Carcinogenic Dyes B.3.1 Features There are currently 9 carcinogenic dyes known on the market, including 3 disperse dyes, 3 direct dyes, 2 basic dyes and acid dyes. One, the list of specific carcinogenic dyes is shown in Table C.3. B.3.2 Hazards Long-term human exposure to textiles containing carcinogenic dyes can cause carcinogenesis. B.4 Allergenic disperse dyes B.4.1 Features Disperse dyes are usually used in aqueous solutions, and sometimes mordants are needed to improve the color fastness of fibers. Some disperse dyes are considered Prone to cause allergic reactions, the international ecological textile standard Oeko-Tex100 and my country's ecological textile standard stipulate that the allergenic dispersion is prohibited There are 21 kinds of dyes, see Table C.4. These dyes are mainly used for dyeing polyester, polyamide and acetate fibers. B.4.2 Hazards Allergenic disperse dyes are allergic and irritating to the skin, mucous membranes or respiratory tract. B.5 Dimethyl fumarate B.5.1 Features Dimethyl fumarate has low toxicity and good antibacterial effect. Molecular state of dimethyl fumarate can enter cells and inhibit microbial growth Cell division and respiration can effectively control the growth and reproduction of microorganisms, thereby playing the role of bacteriostasis and sterilization. Often used as an antiseptic and antifungal agent Used in the production, storage and transportation of leather, footwear, textiles, etc. B.5.2 Hazards When the skin comes into contact with low concentrations of dimethyl fumarate, it will cause contact dermatitis or allergic reactions, and eczema is difficult to cure. B.6 Flame retardant B.6.1 Features Flame retardants are functional additives that make materials difficult to ignite, delay or stop flame propagation. Commonly used halogen flame retardants such as polybrominated Diphenyl ethers, polychlorinated biphenyls. Flame retardants can be added to a variety of polymer materials, such as electrical appliances, electronic equipment, coatings and textiles. Polybrominated Biphenyl ether is also called flame retardant additive. Usually a mixture of different degrees of bromination. The addition amount is usually 5% of the total mass of the product~ 20%. Because the chemical is not chemically bound, it may be "released" from the polymer product and enter the......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 31009-2020_English be delivered?Answer: Upon your order, we will start to translate GB/T 31009-2020_English as soon as possible, and keep you informed of the progress. The lead time is typically 3 ~ 5 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of GB/T 31009-2020_English with my colleagues?Answer: Yes. The purchased PDF of GB/T 31009-2020_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.Question 3: Does the price include tax/VAT?Answer: Yes. 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