GB 12011-2009 English PDFUS$559.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB 12011-2009: Foot protection -- Electrically insulating footwear Status: Obsolete GB 12011: Historical versions
Basic dataStandard ID: GB 12011-2009 (GB12011-2009)Description (Translated English): Foot protection -- Electrically insulating footwear Sector / Industry: National Standard Classification of Chinese Standard: C73 Classification of International Standard: 13.340.10 Word Count Estimation: 14,195 Date of Issue: 2009-04-13 Date of Implementation: 2009-12-01 Older Standard (superseded by this standard): GB 12011-2000 Regulation (derived from): Announcement of Newly Approved National Standards No. 4, 2009 (No. 144 overall) Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China Summary: This Chinese standard specifies the classification of electrical insulation shoes, style, technical requirements, test methods, inspection rules, marking, packaging, storage and transportation. This standard applies when working on electrical equipment as an auxiliary security appliances, electrical insulation shoes. This standard does not apply to single seam fabrication of insulated shoes. GB 12011-2009: Foot protection -- Electrically insulating 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.Electrically insulating footwear ICS 13.340.10 C73 National Standards of People's Republic of China Replacing GB 12011-2000 Electrically insulated shoes foot protection Posted 2009-04-13 2009-12-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released ForewordThis standard 4.1.1,4.1.3.4,4.1.3.5,4.1.3.10,4.1.4,4.1.5.2,4.1 .5.3,4.2,7.1 and 7.4.2 is mandatory Provisions, the rest is recommended. Since the implementation of this standard replaces GB 12011-2000 "electrical insulation shoes General technical requirements." This Standard 12011-2000 "electrical insulation shoes General technical conditions" GB compared to the main changes are as follows. --- The standard name from "electrical insulation shoes general technical conditions" to "foot protection electrically insulated shoes"; --- Modify the upper height requirements and methods of measurement (Excerpts 4.1.3.1 and 5.1; 2000 version 4.1.3.1 and 5.2); --- Upper thickness requirements of the same standard as the original, revised measurement methods, the method using 6.1 GB 20991 (edition 5.2; 2000 version 5.3); --- Modify the requirements and test methods for leather to tear strength, increased upper fabric tear resistance requirements and test methods (Excerpts The 4.1.3.3 and 5.3; 2000 version of 4.1.3.3); --- Rubber and polymeric materials modified the upper stretch performance requirements, and rubber upper and upper tensile properties of polymeric materials testing The method (4.1.3.4 and 5.4 of the edition; 2000 version 4.1.3.5 and 5.6); --- Increased the folding resistance, and water vapor permeability coefficient, pH, hydrolysis, hexavalent chromium content of the upper requirements and test methods (Excerpts of 4.1.3.5 ~ 4.1.3.9 and 5.5 to 5.9); --- Increasing the requirements and methods of measurement (Excerpts 4.1.4.1,4.1.4.2,5.11) slip outsole pattern and thickness of; --- Increased outsole tear strength requirements and test methods (Excerpts 4.1.4.3,5.12); --- Modify the outsole wear resistance, folding resistance requirements and test methods (Excerpts 4.1.4.4,4.1.4.5,5.13,5.14; 2000 edition The 4.1.4.3,4.1.4.4,5.9,5.10); --- Increasing the sole hydrolysis requirements and test methods (Excerpts 4.1.4.6,5.15) polyurethane outsole and an outer layer of polyurethane materials; --- Added multilayered sole intermediate layer bonding strength requirements and test methods (Excerpts 4.1.4.7,5.16); --- Increasing the all-polymer shoe appearance requirements (Excerpts 4.1.5.1d)); --- Would end the peel strength of the external requirements and test methods instead of the upper/sole bonding strength requirements and test methods (Excerpts 4.1.5.2,5.16; 4.1.5.3,5.11 2000 edition); --- Original standard Annex A, Annex B incorporated Excerpts of 5.18, and has been modified; --- Deleted Appendix C. This standard was proposed by the State Administration of Work Safety. The standard personal protective equipment by the National Standardization Technical Committee (SAC/TC112) centralized. This standard was drafted. Wuhan Steel Group Environmental Safety Institute Ltd., Wuhan Iron and Steel (Group) Corporation, Dongguan City real Tiger Co., Ltd., Jiangsu Province, Lake County Guoxiang Industry and Trade Co., Ltd. Chongqing Shapingba shoe factory, Yangzhou vigorous Footwear Company Limited. The main drafters of this standard. Cheng Jun, Zeng Li, Zhang Wen Fu, Zhu Hongfeng, Zhu Hou country, Tao Qian, Wang Jian, Xu Biao, Wuqi Bing, Tangzheng Peng, Zhou Gang, Shao Lianglin, Liu Hongbin. This standard was first published in 1989 and first revised in 2000, this is the second revision. Electrically insulated shoes foot protection1 ScopeThis standard specifies the classification of electrical insulation shoes, style, technical requirements, test methods, inspection rules, marking, packaging, storage and transport. This standard applies to when working on electrical equipment as an auxiliary security appliances, electrical insulation shoes. This standard does not apply to single seam fabrication of insulated shoes.2 Normative referencesThe following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 308 Rolling Ball (GB/T 308-2002, ISO 3290.1998, NEQ) GB/T 532 vulcanized rubber or thermoplastic rubber and fabric adhesive strength was measured (GB/T 532-2008, ISO 36.2005 Ed. 4, IDT) GB/T 3293.1 shoe GB/T 3923.1 Textiles Tensile properties of fabrics - Part 1. breaking force and elongation Strip method (GB/T 3923.1-1997, neq ISO /DIS13934-1.1994) GB/T 20991-2007 Personal protective equipment footwear testing methods (ISO 20344.2004, MOD) HG/T 2401-1992 mining boots HG/T 2495-2007 work shoes QB/T 1002-2005 Shoes QB1471-1992 industrial boots3 Classification and Shape3.1 Classification Press uppers material classified as follows. a) an electrically insulating shoes class; b) an electrically insulating cloth shoes class; c) an electrically insulating all-rubber footwear; d) an electrically insulating polymeric material wholly footwear. 3.2 Shape Press the upper level is divided into the following pattern. a) electrically insulated shoes to help low (see Figure 1a)); b) waist electrical insulation shoes (see Figure 1b)); c) semi-cylindrical electrically insulated boots (see Figure 1c)); d) Tall electrically insulated boots (see Figure 1d)). a) b) c) d) Shape 1 shoes 4. Technical Requirements 4.1 General Requirements 4.1.1 Structure Non-slip soles should function. Sole and heel should not have metal shanks and other components. Electrical insulation inside the shoe with impact resistance and pressure resistance Baotou to protect metal surface of the insulating material should be treated, and when the shoe and the shoe as a whole could not. Links should not be used to help end the And Through the seam, but seam side. 4.1.2 shoe Shoe should meet the provisions of GB/T 3293.1 of. 4.1.3 Upper 4.1.3.1 height 5.1 when measured according to the method, the upper height shall comply with the requirements of Table 1. Table 1 upper height in millimeters Shoe size height Help low waist half tube Gaotong ≤225 < 103 ≥103 ≥162 ≥255 230 ~ 240 < 105 ≥105 ≥165 ≥260 245 ~ 250 < 109 ≥109 ≥172 ≥270 255 ~ 265 < 113 ≥113 ≥178 ≥280 270 ~ 280 < 117 ≥117 ≥185 ≥290 ≥285 < 121 ≥121 ≥192 ≥300 4.1.3.2 Thickness When tested in accordance with method 5.2, an upper material of any thickness shall comply with the requirements in Table 2. Table 2 upper thickness in mm Type of material thickness Leather ≥1.2 Rubber ≥1.5 Polymeric material ≥1.0 Fabric ≥0.8 4.1.3.3 tear resistance When tested in accordance with Method 5.3, uppers tear resistance shall comply with the requirements in Table 3. Table 3 upper tear resistance in newtons Material type minimum force Leather ≥120 Fabrics ≥60 4.1.3.4 Tensile Properties When tested in accordance with Method 5.4, upper tensile properties shall comply with the requirements in Table 4. Table 4 Tensile Properties Type of material Tensile strength/(N/mm2) Tensile strength/N 100% modulus/(N/mm2) Elongation at break /% Leather ≥15 - - - Rubber - ≥180 - - Polymeric materials - - 1.3 ~ 4.6 ≥250 Fabric - Warp. ≥980 Weft. ≥490 - - 4.1.3.5 folding endurance When tested in accordance with Method 5.5, upper folding should meet the requirements of Table 5. Table 5 folding endurance Material type folding endurance Rubber flex for at least 125,000 times, the surface without cracks Polymeric material is at least 150,000 times continuous flex, crack-free surface 4.1.3.6 and water vapor permeability coefficient Leather and fabric uppers test method in accordance with 5.6, the water vapor permeability of not less than 0.8mg/(cm2 · h), the water vapor coefficient should Less than 15mg/cm2. Leather upper test method according to 5.7, the pH value of not less than 3.2, if the pH is less than 4, the difference between the dilution should be less than 0.7. 4.1.3.8 Hydrolysis Polyurethane upper in accordance with the test method 5.8, continuous flex at least 150,000 times, the surface should be free of cracks. 4.1.3.9 hexavalent chromium Leather upper test method in accordance with 5.9, hexavalent chromium should not be detected. 4.1.3.10 upper and Wai adhesion strength 5.10 when tested in accordance with methods cloth shoes, upper and Wai adhesion strength of not less than 2.0kN/m. 4.1.3.11 upper fabric adhesive strength When the all-rubber shoes and all-polymer shoe test method in accordance with 5.10, the upper fabric and the adhesion strength of not less than 0.6kN/m. 4.1.4 outsole 4.1.4.1 slip tread Hatched portion shown in Figure 2 should have at least a non-slip tread to the side of the opening. Figure 2 slip region 4.1.4.2 Thickness 4mm. b) When a non-slip tread height can not be measured, no one except the outsole thickness not less than the outer flank 6mm. 4.1.4.3 tear strength When non-leather outsoles according to test method 5.12, tear strength of not less than. --- 8kN/m, is greater than the density of the material is suitable 0.9g/cm3; and --- 5kN/m, a density of less than or equal to the applicable material 0.9g/cm3 of. 4.1.4.4 wear Non-leather shoe outsole test method in accordance with 5.13, density equal to or less than the amount of wear relative volume of 0.9g/cm3 materials should not be The relative amount of wear volume greater than 250mm3, density greater than 0.9g/cm3 material shall not be greater than 150mm3. Cloth shoes outsole according to the test method at 5.13, the relative volume of the amount of wear should not exceed 250mm3. 15kV and below the all-rubber or all-polymer shoe outsole according to the test method at 5.13, the relative volume should not exceed the amount of wear 250mm3; when outsole 20kV and above all-rubber or all-polymer shoe test method in accordance with 5.13, the relative volume of the amount of wear should not be Greater than 400mm3. 4.1.4.5 folding endurance When non-leather outsoles according to test method 5.14, continuous flex 30,000 times, cut growth should not exceed 4mm. 4.1.4.6 Hydrolysis Polyurethane outsole and an outer layer of polyurethane material according to 5.15 soles test method, continuous flexing 150,000 times, growth is not cut Should be greater than 6mm. 4.1.4.7 intermediate layer bond strength The method of testing according to 5.16, the bond strength and the outer layer or slip layer between adjacent layers of not less than 4.0N/mm; if the soles Tearing, the bonding strength of not less than 3.0N/mm. 4.1.5 Shoes 4.1.5.1 appearance quality a) an electrically insulating shoes should conform to the requirements of the sensory quality of QB1002-2005. b) an electrically insulating cloth shoes should be consistent HG/T 2495-2007 quality requirements of appearance. c) an electrically insulating all-rubber footwear shall comply with HG/T 2401-1992 Appearance quality requirements. d) an electrically insulating polymeric material footwear shall comply with the full requirements of QB1471-1992 of 4.2.1,4.2.2. 4.1.5.2 Upper/sole bonding strength In addition to the suture end shoes in accordance with 5.16 test method, bond strength of not less than 4.0N/mm; if there is tearing the soles, the The bonding strength of not less than 3.0N/mm. 4.1.5.3 leakproof Full rubber shoes and all-polymer shoe according to the test method at 5.17, there should be no air leaks. 4.2 electrical performance requirements 4.2.1 electrically insulating and electrically insulating cloth shoes shoes The method of testing according to 5.18, shall comply with the requirements in Table 6. Table 6 electrical performance requirements of electrical insulation and electrical insulation shoes, cloth shoes of project name Factory inspection preventive inspection Shoes cloth shoes shoes cloth shoes Test voltage (frequency)/kV 6 5 15 5 3.5 12 Leakage current/mA ≤1.8 ≤1.5 ≤4.5 ≤1.5 ≤1.1 ≤3.6 Test time/min 1 4.2.2 Insulated rubber shoes and electrical insulation all-polymer shoe The method of testing according to 5.18, shall comply with the requirements in Table 7. Table 7 full rubber shoes and electrical insulation electrically insulating polymeric material shoes full electrical performance requirements Project Name factory inspection preventive inspection Test voltage (frequency)/kV 6 10 15 20 30 4.5 8 12 15 25 Leakage current/mA ≤2.4 ≤4 ≤6 ≤8 ≤10 ≤1.8 ≤3.2 ≤4.8 ≤6 ≤10 Test time/min 1 NOTE. Preventive test refers to ensure safe, regular inspection of the electrical properties of dielectric footwear carried out (generally refers to the six-month time limit for the test.)5 Test Methods5.1 upper height Measured according to GB/T 20991-2007 6.2 methods. 5.2 upper thickness Measured according to GB/T 20991-2007 6.1 methods. 5.3 upper tear resistance According to GB/T 20991-2007 6.3 methods were measured. 5.4 upper tensile properties Leather, rubber and polymeric materials in accordance with the upper GB/T 20991-2007 6.4 Methods for testing. Upper fabric according to GB/T 3923.1 methods for testing. 5.5 upper folding endurance Test according to GB/T 20991-2007 6.5 methods. 5.6 and water vapor permeability coefficient Test according to GB/T 20991-2007 of 6.6 and 6.8 methods. Test according to GB/T 20991-2007 6.9 methods. 5.8 Upper hydrolysis Test according to GB/T 20991-2007 Method in 6.10. 5.9 hexavalent chromium Test according to GB/T 20991-2007 Method in 6.11. 5.10 Upper and Wai/fabric adhesion strength Test according to GB/T 532 methods. 5.11 outsole thickness Measured according to GB/T 20991-2007 8.1 methods. 5.12 outsoles tear strength Test according to GB/T 20991-2007 8.2 methods. 5.13 outsole wear Test according to GB/T 20991-2007 8.3 methods. 5.14 outsole folding endurance Test according to GB/T 20991-2007 in 8.4.2 Method. 5.15 outsole hydrolysis Test according to GB/T 20991-2007 8.5 methods. 5.16 binding strength Test according to GB/T 20991-2007 5.2 methods. 5.17 leakproof Test according to GB/T 20991-2007 of 5.7 methods. 5.18 Electrical Properties 5.18.1 Test Principle Frequency voltage is applied to the value measured in the shoe, the outer electrode, within a specified test time, the test sample If no breakdown is indicated milliammeter Value (mA) is the leakage current value, the value (kV) voltage meter indication shall withstand voltages. 5.18.2 device 5.18.2.1 outer electrode A sponge and water. 5.18.2.2 inner electrode A diameter greater than 5mm in diameter and copper (3.5 ± 0.6) mm consisting of stainless steel beads, steel should be consistent with GB/T 308 requirements. Measures should be taken to prevent or remove the oxide steel balls, because the oxidation may affect conductivity. 5.18.2.3 Transformer It should be used more than 0.5kVA (500VA) transformers. 5.18.2.4 voltmeter Accuracy within 1.5. 5.18.2.5 milliammeter Accuracy within 1.0, which uses the value should be 15% to 85% range of the instrument. 5.18.2.6 measured resistance value Not more than 28 × 104Ω. 5.18.3 Test conditions Temperature of 15 ℃ ~ 35 ℃, relative humidity of 45% to 75%. 5.18.4 Preparation of the sample 3 pairs of shoes taken as a sample, the sample should be stored at least 72h after made into shoes, the shoes should be worn after cleaned and dried samples shall be Placed under the test conditions at least 3h. 5.18.5 Test Procedure The copper into the shoe, covered with a diameter of (3.5 ± 0.6) mm stainless steel beads copper. For electrically insulating cloth shoes, the high ball Of at least 15mm, the other shoe ball height of at least 30mm. Inner electrode installed, the sample was placed in the shoes filled with water and sponges vessel. Note. The test electrical insulation shoes, cloth shoes and electrical insulation, water can not wet sponge uppers. Well connected as shown in Figure 3 circuit, at a speed of 1kV/s so that the voltage rises from zero to 75% of the test voltage value, and then to 100V/s speed Rise to a predetermined voltage value. 1min, to record the values shown ammeter, accurate to 0.01mA. End of the test should quickly down to zero, but not suddenly cut off the power. 1 --- sample; 2 --- stainless steel beads; 3 --- metal plate; 4 --- copper (with metal wires connected); 5 --- sponge and water; 6 --- metal wires; 7 --- insulated bracket. Figure 3 electrical insulation testing devices6 Inspection rules6.1 factory inspection Factory inspection by the manufacturer's quality inspection department responsible for the inspection project requirements are as follows. a) should double by the appearance quality inspection into the shoe; b) shall be tested by only into the electrical properties of the shoe, will fail before storage after product to get rid of; c) physical and mechanical properties chosen by the manufacturer folding outsole, outsole wear, tear strength, upper, upper tensile properties, combined with strength in 3 Table 8 sampling requirements, if the failure is determined to be defective batch. Table 8 sampling table Batch Range/double the number of samples N/double 281 to 5003 501 ~ 100 005 6.2 Type inspection Type test is based on standards for product testing of the whole project, when one of the following conditions should be type tested. a) new products or old products to the plant production pattern evaluation; B) after the official production, such as structure, materials, processes have greater changes that may affect product performance; c) Normal production, every six months to conduct a periodic inspection; d) Product Discontinuance six months or more to resume production; e) factory inspection results are quite different when the last type inspection; f) the national quality supervision bodies during type inspection requirements; g) the samples for type testing of finished products should be qualified in the extraction, the number of samples in order to meet the testing requirements of the project in principle. 7 signs, packaging, transportation and storage 7.1 marks Content should include. a) shall be shoe size, year of production, the standard number, an electrically insulating words (or in English EH on each shoe uppers or soles), and lightning mark Withstand voltage value; b) manufacturer's name, product name, electrical insulation factory inspection seal. 7.2 Packaging 7.2.1 Minimum sales package Each pair of shoes use paper bags, plastic bags or cartons, shoe box or shoe cavity desiccant, shall have the following contents in the bag box. a) Product Name (example. 6kV cow leather surface insulated shoes, 5kV insulated cloth shoes, 20kV Insulated rubber boots, etc.); b) Standard; c) name of the manufacturer; d) shoe size; e) Instructions. 7.2.2 Transport Packaging Applications carton sealing should be strong, should be tied tight box, box surface shall have the following contents. a) Standard; b) manufacturer's name and address; c) Zip; d) the product name; e) product specifications; f) number; g) year of production; h) case nu......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB 12011-2009_English be delivered?Answer: Upon your order, we will start to translate GB 12011-2009_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of GB 12011-2009_English with my colleagues?Answer: Yes. The purchased PDF of GB 12011-2009_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. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countriesQuestion 4: Do you accept my currency other than USD?Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.Question 5: Should I purchase the latest version GB 12011-2009?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB 12011-2009 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically. |
