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TB/T 3139-2021 PDF English

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TB/T 3139-2021: Limit of harmful substance of non-metallic materials and indoor air for railway locomotive and vehicle
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TB/T 3139: Evolution and historical versions

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TB/T 3139-2021English1105 Add to Cart 0-9 seconds. Auto-delivery Limit of harmful substance of non-metallic materials and indoor air for railway locomotive and vehicle Valid
TB/T 3139-2006English70 Add to Cart 0-9 seconds. Auto-delivery Decorating materials and indoor air limit of harmful substance for railway locomotive and vehicle Obsolete

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TB/T 3139-2021: Limit of harmful substance of non-metallic materials and indoor air for railway locomotive and vehicle


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RAILWAY INDUSTRY STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 45.060.01 S 30 Replacing TB/T 3139-2006 Limit of harmful substance of non-metallic materials and indoor air for railway locomotive and vehicle Issued on. MARCH 05, 2021 Implemented on. OCTOBER 01, 2021 Issued by. National Railway Administration

Table of Contents

Foreword... 4 1 Scope... 6 2 Normative references... 6 3 Terms and definitions... 9 4 Limits and test methods of harmful substances in non-metallic materials used in vehicles... 10 5 Requirements and test methods for prohibited and restricted substances in non- metallic materials for railway locomotive and vehicle... 21 6 Limits, detection methods, inspection rules of harmful substances in indoor air of railway locomotive and vehicle... 26 Appendix A (Normative) Test method of weight loss after heating... 31 Appendix B (Normative) Substance composition of prohibited substances and restricted substances in non-metallic materials for railway locomotive and vehicle... 33 Appendix C (Informative) Requirements for restricted substances in non-metallic materials for railway locomotive and vehicle... 35 Appendix D (Normative) Detection of ozone depleting substances (ODS)... 37 Appendix E (Normative) Detection of 4-nitrobiphenyl content... 41 Appendix F (Normative) Detection of halobenzylmethane content... 44 Appendix G (Normative) Detection of phosphorus flame retardant content... 48 Appendix H (Normative) Detection of man-made mineral fibers... 51 Appendix I (Normative) Talc detection... 57 Appendix J (Normative) Detection of medium-chain chlorinated paraffins... 63 Appendix K (Normative) Detection of content of phthalates... 67

1 Scope

This document specifies the limits and test methods of harmful substances in non- metallic materials, which are used in railway locomotive and vehicle, the limits and test methods of prohibited and restricted substances in non-metallic materials, which are used in railway locomotive and vehicle, as well as the limits and test methods of harmful substances in indoor air of railway locomotive and vehicle. This document applies to the limits of harmful substances in non-metallic materials for locomotives, passenger trains, EMUs; the indoor air of driver's cabs and passenger compartments; the limits of prohibited and restricted substances of non-metallic materials for locomotives, passenger trains, EMUs.

2 Normative references

The contents of the following documents constitute essential provisions of this document through normative references in the text. For the dated documents, only the versions with the dates indicated are applicable to this document; for the undated documents, only the latest version (including all the amendments) is applicable to this standard. GB/T 1725-2007 Paints varnishes and plastics - Determination of non-volatile- matter content GB/T 2912.1 Textiles - Determination of formaldehyde - Part 1.Free and hydrolyzed formaldehyde (water extraction method) GB/T 2918-2018 Plastics - Standard atmospheres for conditioning and testing GB/T 6682 Water for analytical laboratory use - Specification and test methods GB/T 6750-2007 Paints and varnishes - Determination of density - Pycnometer method GB/T 17592 Textiles - Determination of the banned azo colorants GB/T 17657-2013 Test methods of evaluating the properties of wood-based panels and surface decorated wood-based panels GB/T 18204.2-2014 Examination methods for public places - Part 2.Chemical pollutants GB/T 18414.1 Textiles - Determination of the content of chlorinated phenols - Part 1.Gas chromatography/mass spectrography GB/T 18446 Binders for paints and varnishes - Determination of monomeric diisocyanates in isocyanate resins GB 18583 Indoor decorating and refurbishing materials - Limit of harmful substances of adhesives GB 18586 Indoor decorating and refurbishing materials - Limit of harmful substances of polyvinyl chloride floor coverings GB 18587 Indoor decorating and refurbishing materials - Limitations of harmful substances emitted from carpets, carpet cushions and adhesives GB/T 18883 Indoor air quality standard GB/T 19719 Jewellery - Determination of the release of nickel - Method of spectrometry GB/T 19942 Leather and fur - Chemical tests - Determination of banned azo colorants GB/T 20384 Textiles - Determination of the residual chlorobenzenes and chlorinated toluenes GB/T 22807 Leather and fur - Chemical tests - Determination of chromium VI content GB/T 23263 Determination of asbestos in products GB/T 23322 Textiles - Determination of surfactant - Alkylphenols and alkylphenol ethoxylates GB/T 23985-2009 Paints and varnishes - Determination of volatile organic compound (VOC) content - Difference method GB/T 23986-2009 Paints and varnishes - Determination of volatile organic compound (VOC) content - Gas-chromatographic method GB/T 23990-2009 Determination of the contents of benzene toluene ethylbenzene and xylene in coatings by gas chromatography GB/T 23992-2009 Determination of chlorohydrocarbon content in coatings - Gas chromatographic method GB/T 23993-2009 Determination of formaldehyde content of waterborne coatings - Spectrophotometric method with acetylacetone GB 24409-2020 Limit of harmful substances of vehicle coatings GB/T 26125 Electrical and electronic products - Determination of six regulated substances (lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls, polybrominated diphenyl ethers) GB/T 28189 Textiles - Determination of polycyclic aromatic hydrocarbons GB/T 29784.2 Determination of polycyclic aromatic hydrocarbons in electrical and electronic products - Part 2.Gas chromatographic method with mass spectrometric detection

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Weight loss after heating At a certain temperature, the mass change of the material, before and after heating. 3.2 CAS Number, CAS No. The unique numerical identification number of the substance. 3.3 Volatile organic compounds, VOC Organic compounds, which participate in atmospheric photochemical reactions, OR organic compounds, which are determined according to relevant provisions. [Source. GB 24409-2020, 3.23] 3.4 Volatile organic compound content, VOC content The mass of organic compounds, which present in an adhesive or coating, as measured under specified conditions. [Source. GB 33372-2020, 3.1, with modifications]. 3.5 Total volatile organic compounds, TVOC Volatile organic compounds, which have retention time between n-hexane and n- hexadecane, when using Tenax GC or Tenax TA sampling, and analyzing by non- polar columns (polarity index less than 10). [Source. GB/T 18883-2002, 3.3] 3.6 Bulk adhesive Adhesives, which have a dispersing medium content of less than 5% of the total. [Source. GB 33372-2020, 3.4]

4 Limits and test methods of harmful substances in non-metallic materials used in vehicles

4.1 Basic requirements For non-metallic materials, which have a usage amount of less than 500 g in a single compartment, no test of weight loss after heating shall be carried out. Other environmental protection requirements shall meet the corresponding requirements of this standard. 4.2 Panel materials 4.3 Flooring materials 4.4 Adhesive 4.4.1 Limits of harmful substances The content limit of harmful substances, in solvent-based adhesives, shall comply with the provisions in Table 3. 4.4.2 Test method Test of weight loss after heating is carried out, in accordance with the provisions of Appendix A. The test of volatile organic compound content (VOC content) is carried out, in accordance with the provisions of GB 33372. The rest of the tests are carried out, in accordance with the provisions of GB 18583. 4.5 Coatings 4.5.1 Solvent-based coatings 4.5.2 Water-based paints 4.5.2.1 Limits of harmful substances The content limit of harmful substances, in water-based coatings, shall comply with the provisions in Table 7. 4.5.2.2 Test method 4.5.2.2.1 VOC content First, test the moisture content in the water-based paint, according to the provisions of Appendix A in GB 24409-2020. If the moisture content in the paint is greater than or equal to 70% (mass fraction), it shall be carried out, in accordance with the provisions of GB/T 23986-2009.Weigh about 1 g of the specimen. The chromatographic column adopts a medium polarity chromatographic column (6% cyanopropylphenyl/94% polydimethylsiloxane capillary column). The marker is diethyl adipate. VOC content is calculated, according to 10.4 in GB/T 23986-2009. If the moisture content, in the paint, is less than 70% (mass fraction), it shall be carried out, according to the provisions of GB/T 23985-2009.Non-volatile content is determined, according to the provisions of GB/T 1725-2007.Weigh about 1 g of the specimen; the baking condition is 105 °C ± 2 °C; the baking time is 1 h. The VOC content is calculated, according to 8.4 in GB/T 23985-2009. The density is carried out, according to the provisions of GB/T 6750-2007.The test temperature is 23 °C ± 0.5 °C. 4.5.2.2.2 Total content of benzene series It is carried out, according to the provisions of the method B in GB/T 23990-2009.For the calculation of benzene series content, it shall be carried out, according to 9.4.3 in GB/T 23990-2009; then converted into mass fraction (%). 4.5.2.2.6 Total content of alkylphenol polyoxyethylene ether The determination of the total content of alkylphenol polyoxyethylene ether is carried out, according to the provisions of GB/T 31414-2015.

5 Requirements and test methods for prohibited and restricted substances in non-metallic materials for railway locomotive and vehicle

5.1 Substance composition of prohibited and restricted substances in non-metallic materials for railway locomotive and vehicle The substance composition of prohibited substances and restricted substances of non- metallic materials, for railway locomotive and vehicle, shall comply with the provisions of Appendix B. For a single product, which has a mass of not more than 50 g, it may be exempted from the test of prohibited or restricted substances. 5.2 Requirements for prohibited substances and restricted substances of non-metallic materials for railway locomotive and vehicles The requirements for prohibited substances of non-metallic materials, which are used in railway locomotive and vehicle, shall comply with the provisions in Table 17.The requirements for restricted substances are as shown in Appendix C. 5.3.2.3 10 Beryllium and its compounds (by total amount of beryllium) Various All Shall not use 5.3 Inspection methods for prohibited and restricted substances in non-metallic materials for railway locomotive and vehicle 5.3.1 General rules for inspection methods 5.3.2 Inspection methods for prohibited and restricted substances

6 Limits, detection methods, inspection rules of harmful substances in indoor air of railway locomotive and vehicle

6.1 Requirements for indoor air quality limit of railway locomotive and vehicle Harmful substances, in the indoor air of railway locomotive and vehicle, shall comply with the provisions of Table 18. 6.2 Detection method of indoor air quality of railway locomotive and vehicle 6.2.2 Sampling method 6.2.2.1 Sampling height When sampling, it shall avoid the vent duct and ventilation opening. The distance from the wall shall be greater than 0.5 m. The height of the sampling point, in the passenger compartment, is 1.2 m ± 0.2 m from the floor; the sampling point, in the business area, is 0.8 m ± 0.2 m above the floor; the sampling point, in the sleeper compartment, is 15 cm ~ 20 cm above each sleeper; the sampling point, in the driver’s cab, is 1.4 m ± 0.2 m above the floor; the sampling point of the dining compartment is 1.2 m ± 0.2 m above the floor; the sampling point of the bar of the dining compartment is 1.6 m ± 0.2 m above the floor. 6.2.2.2 Number of sampling points According to the size of the indoor area of the vehicle and the specific conditions of the site, 1 ~ 3 points are set for the area, which is less than 50 m2; 3 ~ 5 points are set for the area, which is between 50 m2 and 100 m2; the sampling points are distributed in diagonal or plum-shape. A schematic diagram of the sampling layout is as shown in Figure 1.For the sleeper train, it takes one private room each from the end and the middle, for the test; the number of measurement points in the private room is consistent with the number of sleeper layers. One test point is taken in the driver's cab; one test point is taken in the bar area of the dining compartment. 6.2.2.3 Sampling requirements When sampling the air quality inside the vehicle, the vehicle shall be placed in an area, that does not affect the test results. Condition 1.Under the condition that the temperature inside the vehicle is not lower than 35 °C, close the doors and windows, the fresh air of the air conditioner and the exhaust air outlet; close it for 12 hours; then turn on the air conditioner to the automatic operation position OR set the target temperature of the air conditioner to 24 °C ± 2 °C; carry out the sampling test after 2 h; the sampling temperature is not lower than 16 °C. Condition 2.Before the vehicle sampling, close the doors and windows, fresh air and waste air outlet of air conditioner, in natural state; close it for 12 hours; turn on the air conditioning to the automatic operation position OR set the air conditioning target temperature to 24 °C ± 2 °C; conduct the sampling test after 2 hours; the sampling temperature is not lower than 16 °C. Formic acid sampling time is 20 min; the sampling volume is 10 L. The TVOC sampling time is 45 min; the sampling volume is 1 L ~ 10 L. DNPH (2,4-dinitrophenylhydrazine) tube sample collection formaldehyde system generally consists of constant flow gas sampler, sampling conduit, DNPH (2,4- dinitrophenylhydrazine) sampling tube, etc. The schematic diagram of the composition of the sampling system is as shown in Figure 2.The flow rate of the constant flow gas sampler is adjustable, within the range of 50 mL/min ~ 1000 mL/min; the flow rate is stable. When adjusting the gas flow rate, by a DNPH (2,4-dinitrophenylhydrazine) sampling tube, AND calibrating the flow, by using a one-stage flowmeter (such as a Sampling point. the area abovethe bar of the dining compartment Bar of the dining compartment Aisle Sampling pointone-stage soap film flowmeter), the flow rate shall meet the requirement, that the error of the two measurements before and after is less than 5%. 6.2.2.4 Atmospheric sampler The internal aperture of the air sampler's inlet is 3.0 mm ~ 3.2 mm. The equipment shall meet the requirements of GB/T 18883. 6.3 Inspection rules for indoor air quality of railway locomotive and vehicle ......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.