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GB 38262-2019 PDF English

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GB 38262-2019: Flammability of Interior Materials for Buses
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GB 38262-2019105 Add to Cart Auto, 9 seconds. Flammability of Interior Materials for Buses Valid

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GB 38262-2019: Flammability of Interior Materials for Buses

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NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 13.220.40 T 09 Flammability of Interior Materials for Buses Issued on. OCTOBER 14, 2019 Implemented on. JULY 1, 2020 Issued by. State Administration for Market Regulation; Standardization Administration of the People’s Republic of China.

Table of Contents

Foreword... 3 1 Scope... 4 2 Normative References... 4 3 Terms and Definitions... 5 4 Technical Requirements... 6 5 Test Methods... 8 6 Implementation Date... 9 Appendix A (Normative) Sampling Requirements for Test Samples... 10

Foreword

All the technical content in this Standard is mandatory. This Standard was drafted in accordance with the rules in GB/T 1.1-2009. This Standard was proposed by and shall be under the jurisdiction of Ministry of Industry and Information Technology of People’s Republic of China. The drafting organizations of this Standard. Technical Center of China FAW Group Corporation; China Highway & transportation Society, Bus Branch; Sichuan Research Institute of Ministry of Public Security; National Bus Quality Supervision and Inspection Center; Zhengzhou YUTONG Group Co., Ltd.; Institute of Flame Retardant of China; Xiamen Golden Dragon Co., Ltd.; Brilliance Auto Group; Jinhua YOUNG MAN Automobile Group; FOTON Motor Group; Zhong Tong Bus Holding Co., Ltd.; Xiamen King Long United Automotive Industry Co., Ltd.; King Long United Automotive Industry (Suzhou) Co., Ltd.; Changchunshi HOSLY Apply Technique Graduate School; Tianjin Fire Research Institute of the Ministry of Public Security; National Automobile Quality Supervision and Test Center (Xiangyang); Zhejiang HIGHTEX Fabric Co., Ltd.; Hangzhou XIANGJUN Textile Flame Retardant Technology Co., Ltd.; Jiangsu CHANGDA Environmental Protection Technology Co., Ltd.; Tianjin Fu-Automotive Components Co., Ltd.; WANHUA Energy Conservation Technology Group Co., Ltd.; Armacell Thermal Insulation Materials (Guangzhou) Co., Ltd.; Anhui KINGSEN Automobile Decoration & Design Co., Ltd.; Danyang Vehicle and Vessel Decoration Co., Ltd.; China Automotive Engineering Research Institute Co., Ltd.; China Highway Vehicle & Machinery Co., Ltd.; Puyang GREENCOS New Material Technology Co., Ltd.; Fujian HUAYANG Microfiber Co., Ltd. The main drafters of this Standard. Li Jinghua, Changhong, Yang Zhaoguo, Hu Xuanru, Lvwei, Xie Letao, Chenjie, Diaowei, Wu Zhenguo, Zhou Zhengmao, Lin Jianlong, Lizhi, Yu Qikui, Liang Zhengbao, Liu Xianwu, Lan Qiyong, Liu Qinghua, Jiang Jianhua, Zhangzhe. Flammability of Interior Materials for Buses

1 Scope

This Standard stipulates the terms and definitions, technical requirements, test methods and the requirements of implementation date of flammability of interior materials for buses. This Standard is applicable to the assessment of flammability of interior materials for Type-M2 and Type-M3 buses. This Standard does not include electrical devices (various electric appliance modules, such as air conditioning assembly control switch, wiring harness, electric appliance control panel, navigator, radio, DVD module and driving combination meter), lamps, airbags (curtains), bathroom accessories (such as toilet, washbasin and water tank) and laminboard whose external layer is metallic material and internal layer is non- metallic material.

2 Normative References

The following documents are indispensable to the application of this document. In terms of references with a specified date, only versions with a specified date are applicable to this document. In terms of references without a specified date, the latest version (including all the modifications) is applicable to this document. GB/T 2406.2-2009 Plastics - Determination of Burning Behavior by Oxygen Index - Part 2.Ambient-temperature Test (ISO 4589-2.1996, IDT); GB/T 2918 Plastics - Standard Atmospheres for Conditioning and Testing; GB/T 5454 Textiles - Burning Behavior - Oxygen Index Method (GB/T 5454-1997, neq ISO 4589.1984); GB 8410 Flammability of Automotive Interior Materials;

3 Terms and Definitions

The following terms and definitions are applicable to this document. 3.1 Bus Bus refers to passenger-carrying vehicle whose seating capacity exceeds 9 seats, including the driver’s seat. 3.2 Horizontal Burning Fixate sample on a horizontal fixture; expose one end in the stipulated test flame. Through the determination of the burning speed, evaluate the sample’s horizontal burning behavior. 3.5 Density of Smoke Density of smoke refers to the measurement of material’s smoke amount under the stipulated test conditions. It shall be expressed in light intensity attenuation through smoke.

4 Technical Requirements

4.1 Classification of Materials Interior materials for buses shall be classified in accordance with applied materials, included components and application areas, as it is shown in Table 1. 4.2 Technical Requirements 4.2.1 General requirements Interior materials that satisfy the requirements of this Standard shall be deemed as satisfactory with the requirements in GB 8410. 4.2.4 Other instructions

5 Test Methods

5.1 Conditioning Before tests, samples shall be placed for over 24 h in accordance with the stipulations in GB/T 2918, and under the conditions of standard ambient temperature (23 ± 2) °C, relative humidity (50 ± 5) %. 5.5 Oxygen Index 5.6 Density of Smoke The test of density of smoke shall be conducted in accordance with the stipulations in GB/T 8627.The test result shall be determined in accordance with the grade of smoke density. 5.7 Grade of Flammability

6 Implementation Date

In terms of vehicle models with newly applied type approval, this Standard shall be implemented since the date of implementation.

Appendix A

(Normative) Sampling Requirements for Test Samples A.1 Preparation of test samples Avoid cavities, directly cut test samples from components. If the components cannot be cut into sample strips stipulated in this Standard, then, raw materials of the components may be adopted to make sample strips that comply with the stipulations in accordance with the same production process of the components. A.2 Requirements of thickness When components’ actual thickness is less than the standard thickness recommended in Table A.1, the thickness of test sample shall be the actual thickness of the components. ......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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