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GB 19340-2014 English PDF

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GB 19340-2014: Adhesives for footwear and case and bag
Status: Valid

GB 19340: Historical versions

Standard IDUSDBUY PDFLead-DaysStandard Title (Description)Status
GB 19340-2014369 Add to Cart 3 days Adhesives for footwear and case and bag Valid
GB 19340-2003479 Add to Cart 4 days Adhesives for footwear and base and bag Obsolete

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Basic data

Standard ID: GB 19340-2014 (GB19340-2014)
Description (Translated English): Adhesives for footwear and case and bag
Sector / Industry: National Standard
Classification of Chinese Standard: G39
Classification of International Standard: 83.180
Word Count Estimation: 16,155
Date of Issue: 7/24/2014
Date of Implementation: 5/1/2015
Older Standard (superseded by this standard): GB 19340-2003
Quoted Standard: GB/T 532-2008; GB/T 606-2003; GB/T 6682-2008; GB/T 7124-2008; GB/T 13354-1992; GB 18583-2008; HG/T 2198; HG/T 2815-1996; HG/T 3075; QB/T 2780-2006
Regulation (derived from): National Standards Bulletin No. 19, 2014
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 standard specifies the performance bond adhesive for shoes and bags, harmful substances and test methods. This standard applies to shoes and bags marked with adhesive. This standard does not apply to shoes and bags while the adhesive material applica

GB 19340-2014: Adhesives for footwear and case and bag

---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.
Adhesives for footwear and case and bag ICS 83.180 G39 National Standards of People's Republic of China Replacing GB 19340-2003 Shoes and bags with adhesive Issued on. 2014-07-24 2015-05-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

3.4 This standard is mandatory, the rest are recommended. This standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard replaces GB 19340-2003 "shoes and bags with adhesive" Compared with GB 19340-2003, the main technical changes are as follows. --- Modify the scope (see Chapter 1, Chapter 1 of the 2003 edition); --- Modify the adhesive limit of harmful substances requirements (see 3.4,2003 Version 3.4); --- Revised Appendix A (see Appendix A, 2003 edition Appendix A); --- Original Appendix B and Appendix C of the original and the new Appendix B (see Appendix B, 2003 edition Appendix A and Appendix B); --- Another Added Appendix C Recommended adhesion test material; Added Appendix D --- Another method of measuring shoe aqueous polyurethane adhesives of total volatile organic content (VOC) were specification. The standard proposed by China Petroleum and Chemical Industry Association. This standard by the National Standardization Technical Committee adhesive (SAC/TC185) centralized. This standard was drafted. Shanghai Institute of Rubber Products, Zhejiang Academy of quality testing, Yutian Zhuhai Chemical Co., Ltd. The main drafters of this standard. Golden Satellite, New Zhao, Li Min, Lin Huayu. This standard replaces the standards previously issued as follows. --- GB 19340-2003. Shoes and bags with adhesive Warning. This standard does not include all of the safety issues associated with the user, the user's responsibility prior to use to establish the relevant safety and health The use of the terms and provisions established in order to meet the relevant provisions of the State (such as the concentration of harmful substances in the air of workplace, etc.).

1 Scope

This standard specifies the performance bond adhesive for shoes and bags, harmful substances and test methods. This standard applies to shoes and bags marked with adhesive. This standard does not apply to shoes and bags while the adhesive material application specific functional surface treatment agent.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. Determination of GB/T 532-2008 vulcanized rubber or thermoplastic rubber and fabric adhesive strength GB/T 606-2003 Chemical Reagent Moisture common method Karl Fischer method Laboratory use specifications and test methods GB/T 6682-2008 Analysis GB/T 7124-2008 Determination of tensile shear strength of the adhesive (rigid material of rigid material) GB/T 13354-1992 adhesive liquid density measurement method of weight cup GB 18583-2008 interior decoration materials, adhesives harmful substances General requirements for HG/T 2198 vulcanized rubber physical test method HG/T 2815-1996 shoe adhesives heat resistance test method Creep Provisions of HG/T 3075 adhesive product packaging, labeling, transportation and storage QB/T 2780-2006 PU leather uppers

3 Requirements

3.1 for soles with uppers and soles of shoes with overlapping adhesive bonding properties of adhesive should meet the requirements in Table 1. Table 1 shoes with adhesive properties of adhesive Item Index Tack/(N/mm) ≥ 1.0 Peel strength/(N/mm) ≥ 4.0 Heat aging resistance/(N/mm) ≥ 4.0 Shear strength/MPa ≥ 1.8 Creep/mm ≤ 15.0 These requirements relate only adhesive properties under normal conditions, wear shoes. For additional need to withstand load and (or) other external conditions Special footwear, such as safety shoes, work shoes or sneakers, subject to the appropriate requirements and other targeted additional testing. 3.2 Selection adhesion test material Adhesion test material and the bonding process can collaborate designated by the manufacturer and user, but not less than the adhesive properties of the corresponding items in Table 1 Index value. An adhesive which the results of a particular test with the test material can not be obtained unconditionally applied to other materials up shoes. Must This kind of adhesive used to test the actual shoe materials, to ensure that on the table to meet the requirements. Material adhesion test of a material according to the provisions of Appendix A Other tests may also refer to Appendix C Recommended materials. 3.3 In addition to targeting only used in the process, the peel strength of the bags with adhesive is not less than 2.0N/mm. Test material and bonding process may be made Manufacturers and users specified. 3.4 adhesive harmful substances requirements Shoes and bags with adhesive limit of harmful substances shall comply with the provisions of Table 2. Table 2 shoes and bags with adhesive harmful substances project index Solvent-based water-based Benzene/(g/kg) ≤ 5.0 - Toluene Xylene/(g/kg) ≤ 200.0 - Free toluene diisocyanate a/(g/kg) ≤ 10.0 - Hexane/(g/kg) ≤ 150.0 - 1,2-dichloroethane/(g/kg) ≤ 5.0 - Total halogenated hydrocarbons (including 1,2-dichloroethane, dichloromethane, 1,1,1-trichloroethane, 1,1,2-trichloroethane ≤ 50.0 - Total Volatile Organic Compounds/(g/L) ≤ 750 100 a polyurethane adhesive to be tested in this project. Test Method 4 4.1 Substrate and Surface treatment and sample preparation Accordance with the procedure provided by the adhesive supplier Surface treatment and sample preparation are sticky material, without specifying methods can also be specified in Appendix A get on. 4.2 Tack After sample preparation time by the cool set adhesive supplier park, as no method can also be specified after sample preparation parked 2min, press GB/T 532-2008 provisions peel test. 4.3 The peel strength After sample preparation, at a temperature of 23 ℃ ± 2 ℃, relative humidity of 50% ± 5% parked five days, conducted according to GB/T 532-2008 requirements Peel test. 4.4 heat aging resistance After sample preparation, temperature of 23 ℃ ± 2 ℃, relative humidity of 50% ± 5% parked for five days and then parked at a temperature of 50 ℃ ± 2 ℃ 5 days, according to GB/T 532-2008 requirements peeling test. 4.5 Shear strength After sample preparation, according to the provisions of GB/T 7124-2008 the shear test, the sample holder separation speed of 25mm/min ± 2mm/min. 4.6 creep Press HG/T 2815-1996 regulations. Test temperature of 50 ℃ ± 2 ℃, load weight and the hook on the total mass of 1.5kg, loading Time 10min. 4.7 benzene content Performed according to GB 18583-2008 Appendix B requirements. 4.8 Toluene and Xylene Performed according to GB 18583-2008 Appendix C requirements. 4.9 free toluene diisocyanate content Performed according to GB 18583-2008 Appendix D provisions. 4.10 hexane content Conducted according to the standards specified in appendix B. 4.11 dichloromethane, 1,2-dichloroethane, 1,1,1-trichloroethane, and 1,1,2-trichloroethane Conducted according to the standards specified in appendix B. 4.12 total volatile organic content According to GB 18583-2008 provisions of Appendix F were measured where the shoe aqueous polyurethane adhesives total volatile organic content by According to this standard Appendix D regulations.

5 Inspection Rules

5.1 Inspection classification 5.1.1 factory inspection Shoe adhesives factory inspection items. tack, peel strength, resistance to heat aging. Visco material was provided by the manufacturer or in accordance with this standard Motion recommends adhesive material selection and in accordance with the corresponding index value. Bags adhesives factory inspection items. peel strength. 5.1.2 Type inspection 5.1.2.1 When one of the following conditions, type of inspection should be carried out. A) After a year of normal production, or recipes, processes are major changes that may affect the mass; b) shut down more than six months to restore production; c) the national quality supervision agency or when requested by the user. 5.1.2.2 shoe adhesives type test items. harmful substances, tack, peel strength, shear strength, resistance to heat aging and creep Sex. Visco material was provided by the manufacturer or according to the standards recommended by the adhesive material selection and in accordance with the corresponding index value. 5.1.2.3 bags adhesive type test items are. harmful substances, peel strength. 5.2 Batching and Inspection Each tank products in one batch by batch testing. 5.3 Sampling 5.3.1 the number of samples carried out according to Table 3. Table 3. Number of product samples The number of containers minimum number of samples Minimum number of samples the number of containers 2 ~ 82217 ~ 3437 9 ~ 273 344 ~ 5128 28 ~ 644 513 ~ 7299 65 - 1255730 - 1000 10 126 to 21,661,000 over 11 5.3.2 Sample taken after mixing with the composition of the test sample is not less than the total amount of mixing 1kg, the test specimen was stored in a sealed container save. 5.4 test results to determine After the test results if an index value does not meet the requirements of this standard, the samples taken double the project failed retest, retest yet The corresponding index value is reached, it is determined to be defective batch of adhesive. 6 signs, packaging, transportation and storage Conducted by HG/T 3075 regulations. Shoes and bags should be marked with adhesive method involves the use of health and safety on the packaging.

7 inspection reports

Inspection report shall include the following. a) The standard name and number; b) adhesive name, batch number and production units; c) sampling method; d) Use of Instrument name and model; e) test results; f) anomalies arise during the inspection process; g) testing and inspection date.

Appendix A

(Normative) The adhesive properties of the sample preparation A.1 Overview This appendix provides shoes and bags measurement sample preparation method using adhesive bonding properties. A.2 Test Materials and Surface Treatment A.2.1 leather Cow leather, back whichever site. Kraft is appropriate grinding wheel to leather leather napping. Polished test piece should be thoroughly brushed dust. A.2.2 polyurethane leatherette PU leather should be consistent with the provisions of QB/T 2780-2006 of. Before use with acetone or methyl ethyl ketone, or polyurethane treatment agent to wipe it again, add 70 ℃ ± 5 ℃ oven drying time is about 3min. A.2.3 styrene-butadiene rubber sheet Table A.1 compound formulation (parts by mass) Styrene-butadiene rubber (SBR1502) 100.0 Zinc oxide 5.0 Stearate 1.5 Accelerant M 1.2 Accelerant DM 2.0 Accelerant TMTD 0.6 HAF 60.0 Clay 20.0 Oil (20) 10.0 Sulfur 2.0 Curing conditions. (150 ℃ ± 1 ℃) × 8min. SBR sheet thickness. 2mm ± 0.3mm, backed with cotton canvas. After the preparation of styrene-butadiene rubber sheet stand at room temperature 24h. SBR sheet according to HG/T 2198 provisions polished. A.3 Test procedure A.3.1 Test material combinations Test material can be leather/rubber, polyurethane leather/styrene-butadiene rubber, styrene/butadiene rubber composition. Test material should have sufficient strength, does not affect the test results adhesive. To make the test results comparable, it is recommended to use only styrene-butadiene Rubber/styrene-butadiene rubber combination. A.3.2 Sample Preparation A.3.2.1 number of samples Number of samples of at least three, at least five samples arbitration. A.3.2.2 sample size First A.3.2.2.1 tack, peel strength, heat aging resistance, creep resistance specimens Sample length 100mm ± 2mm, width 25mm ± 0.5mm, two test pieces laminated, bonded length not less than 60mm. A.3.2.2.2 shear strength of the sample Sample length 80mm ± 2mm, width 20mm ± 0.2mm, two sample single lap, lap length 10mm ± 0.2mm. A.3.2.3 bonding process samples Sample bonding process can be specified by the manufacturer and the user, if not specified, according to the following methods. a) take appropriate adhesive (such as the need may be added a crosslinking agent), stir; b) according to the choice of materials, the sample was sticky surface roughening (if needed rubbed surface treatment agent), placed in 70 ℃ ± 5 ℃ of oven Drying time 2min ~ 3min; c) the adhesive evenly brushing on two sticky material is sticky surface, the amount of adhesive is adhered to the surface is no shortage of plastic, not rubber heap prevail, the general material Material brushing it again. For the absorbent material required in bonding the surface repeatedly brushing, brushing should be dried and then painted on a Brush, and should indicate the number of times in the test report; d) put in oven drying, drying temperature is 70 ℃ ± 5 ℃, drying time is 5min ~ 10min; e) The two face each other laminated adhesive, to prevent dislocation and entrained air bubbles when laminated, and then evenly applied pressure 0.5MPa, holding 15s.

Appendix B

(Normative) Adhesives hexane, a halogenated hydrocarbon content determined by gas chromatography B.1 Overview This appendix provides shoes and bags with adhesive harmful substances in n-hexane, 1,2-dichloroethane, methylene chloride, 1,1,2-trichloroethane, Determination of chloride content. This method is applicable in methylene chloride, 1,2-dichloroethane, 1,1,2-trichloroethane, trichlorethylene content in shoe boxes and 0.1g/kg or more Determination of adhesive packages available. B.2 Principle Sample diluted with an appropriate solvent, directly with the sample solution diluted micro-syringe injection injector device, and a carrier gas into the color The column is separated in the column to the corresponding components, with flame ionization detector and record the chromatograms, the sample is calculated using the external standard method Solution content of harmful substances. B.3 Reagents B.3.1 dichloromethane, 1,2-dichloroethane, 1,1,2-trichloroethane, trichlorethylene were HPLC grade. B.3.2 ethyl acetate. AR. B.4 Instruments B.4.1 injector. micro syringe. B.4.2 chromatograph. with flame ionization detector. B.4.3 Column. capillary column. Dimethylpolysiloxane as stationary phase. NOTE. When the peaks of the other components of the measured component difficult to separate when, this time to be replaced with a different polarity columns tested under appropriate conditions. B.4.4 recording device. integrator or chromatography workstation. B.4.5 measurement conditions were as follows. a) vaporization chamber temperature.200 ℃; b) detecting room temperature. 250 ℃; c) Nitrogen. purity of greater than 99.99%; d) Hydrogen. purity of greater than 99.99%; e) Air. silica gel to remove water; f) Split. Split ratio 20.1; g) makeup. 30mL/min; h) in dichloromethane thermostat. 80 ℃; i) 1,2- dichloroethane, 1,1,2-trichloroethane, trichlorethylene temperature program. The initial temperature of 35 ℃, holding time of 25min, warming Rate 8 ℃/min, end temperature 150 ℃, holding time 10min. B.5 analysis step Weigh 0.2g ~ 0.3g (accurate to 0.1mg) of the sample, placed in 50mL volumetric flask, dissolved in ethyl acetate and diluted to the mark Degree, shake. Using micro-injection syringe take 1μL, measure the peak area. Table B.1 If the peak maximum concentration is greater than the peak area of the sample solution Area, with a sample solution pipette Pipette accurately V volume in 50mL volumetric flask, diluted with ethyl acetate, shaken after the test. B.6 preparation of standard solution B.6.1 standard solution. 10mg/mL Weigh about 1g accurate to 0.0001g of n-hexane, 1,2-dichloroethane, methylene chloride, 1,1,2-trichloroethane and trichlorethylene, They were placed in 100mL volumetric flask, diluted with ethyl acetate to the mark. B.6.2 standard solution. 500μg/mL They were taken an appropriate volume of hexane, 1,2-dichloroethane, methylene chloride, 1,1,2-trichloroethane, and trichlorethylene solution (B.6.1.), Placed in A 100mL volumetric flask, diluted with ethyl acetate, shake that was two n-hexane, 1,2-dichloroethane, methylene chloride, 1,1,2 Trichloroethane and trichlorethylene was 500μg/mL of the standard solution. Configuration B.6.3 series of standard solutions By volume listed in Table B.1 standard solution (B.6.2), and were placed in six 25mL volumetric flask, dilute to the mark with ethyl acetate Degree, shake. Volume Table B.1 and the corresponding concentration of the standard solutions Pipette volume / mL Hexane quality Concentration/(μg/mL) By mass of 1,2-dichloroethane Concentration/(μg/mL) Quality dichloromethane Concentration/(μg/mL) 1,1,2-trichloroethane quality The amount of concentration/(μg/mL) Quality Trichloroethylene Concentration/(μg/mL) 25.00 500.0 500.0 500.0 500.0 500.0 10.00 200.0 200.0 200.0 200.0 200.0 5.00 100.0 100.0 100.0 100.0 100.0 2.50 50.0 50.0 50.0 50.0 50.0 1.00 20.0 20.0 20.0 20.0 20.0 10.0 10.0 10.0 10.0 10.0 0.50 Determination B.6.4 series of standard solution peak area Turn gas chromatograph, the chromatographic conditions are set, until a stable baseline, using micro-syringe take 2.0μg standard solution injection, Determination of the peak area of each standard solution was injected 5 times the mean value. B.6.5 Draw standard curve A peak area for the vertical axis, the corresponding standard solution concentration (μg/mL) as abscissa, that was the standard curve. B.7 Expression of results Read directly from the standard curve or the regression equation to calculate the concentration of the analytes in the sample solution. Sample content ω component to be measured according to formula (B.1) Calculated. ω = ρt · V · f 1000m (B.1) Where. ω --- sample analytes content in grams per kilogram (g/kg); Ρt --- concentration of analytes in the sample solution, in micrograms per milliliter (μg/mL); The V --- volume of the sample solution, in milliliters (mL of); M --- the quality of the sample, in grams (g); F --- dilution of the sample solution.

Appendix C

(Informative) Recommended adhesion test material C.1 Recommended adhesion test material Adhesion test material and the bonding process can be carried out in accordance with Appendix A, may also be specified by the user and the manufacturer. We recommend the following test materials. a) recommended test material leather 1. chrome-tanned leather noodle; b) recommended test material leather 2. sole leather, vegetable tanning; c) recommended test materials SBR1. styrene-butadiene rubber, Shore A hardness of 95; d) recommended test materials SBR2. styrene-butadiene rubber, Shore A hardness of 70; e) recommended test material NBR. nitrile rubber, Shore A hardness of 80; f) recommended test materials SBSR. thermoplastic rubber, Shore A hardness of 60; g) recommended test material PVC. soft PVC, Shore A hardness of 70. Note. The performance tests recommended above materials testing and ensuring the supplier. Shore A hardness characteristics as given only when necessary to distinguish the various material. C.2 material combinations Recommended test material prepared by the following combination of materials with a sample. Leather 1/SBR1 Leather 1/2 Leather SBR1/SBR1 SBR2......
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