GB/T 32086-2015 PDF EnglishUS$165.00 · In stock · Download in 9 seconds
GB/T 32086-2015: Requirement of vertical flammability characteristic and test method for certain category automobile interior material Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid GB/T 32086: Historical versions
Similar standardsGB/T 32086-2015: Requirement of vertical flammability characteristic and test method for certain category automobile interior material---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT32086-2015 GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 43.040.40 T 24 Requirement of vertical flammability characteristic and test method for certain category automobile interior material Issued on: OCTOBER 9, 2015 Implemented on: JULY 1, 2016 Issued by. General Administration of Quality Supervision, Inspection and Quarantine; Standardization Administration Committee. Table of ContentsForeword ... 3 1 Scope ... 4 2 Terms and definitions ... 4 3 Technical requirements ... 4 4 Test methods ... 4 Annex A ... 11ForewordClause 3, Clause 4 of this Standard are mandatory; the rest are recommendatory. This Standard was drafted in accordance with the rules given in GB/T 1.1-2009. This Standard was proposed by Ministry of Industry and Information Technology of the People's Republic of China. This Standard shall be under the jurisdiction of China National Automotive Standardization Technical Committee (SAC/TC 114). Main drafting organizations of this Standard. China FAW Group Corporation Technology Center. Drafting organizations of this Standard. Changchun Heshili Technology Institute. Main drafters of this Standard. Wang Qingguo, Zhang Yinghong, Liu Xianwu, Chang Hong, Wang Jianbing, Li Chunli, Li Yujie. Requirement of vertical flammability characteristic and test method for certain category automobile interior material1 ScopeThis Standard specifies the technical requirements of vertical flammability characteristic and test methods for certain category automobile interior material. This Standard is applicable to interior curtains, sun shades and/or other interior materials for M3 vehicles that are used to carry more than 22 passengers; it is not applicable to city buses that have standing passengers.2 Terms and definitionsThe following terms and definitions apply to this document. 2.1 burning rate The ratio between combustion distance and time used, in millimeters per minute (mm/min). 2.2 interior material Interior curtains, sun shades and/or other interior material.3 Technical requirementsVertical burning rate shall not exceed 100 mm/min.4 Test methods4.1 Principle Vertically fix the specimen on the rectangular frame. Use the predetermined flame to ignite specimen in the combustion chamber. Determine the combustion distance and time used of the specimen. 4.2 Test equipment and appliances 4.2.8 Fuming hood The specimen holder shall be placed in the fuming hood. The internal volume of fuming hood is 20 ~ 110 times specimen holder volume. Any one among the fuming hood’s length, width and height must not exceed 2 times any size of the other two sizes. Before the test, measure the vertical speed of air flowing through the fuming hood at 100 mm before and after the final determined position of specimen holder. The speed shall be within 0.10 m/s ~ 0.30 m/s. The fuming hood can use natural ventilation or proper wind speed ventilation. 4.3 Specimen 4.3.1 Size The size of specimen. length is 560 mm ± 2 mm; width is 170 mm ± 2 mm; the thickness is component thickness. 4.3.2 Sampling Respectively take 3 blocks (or more) of specimens vertically and zonally for burning test. The sampling goes as follows. a) if the shape and size of component comply with sampling requirements, the sample shall be made out of component; b) If the shape and size of component does not comply with sampling requirements, it shall use standard specimen made of same material, in same processing, of which structure and component are the same, for test; c) when material is supplied according to the entire width, it requires cutting off the material 100 mm from the edge before sampling at the rest part equidistant and uniformly. 4.3.3 Pre-treatment Place the specimen under standard state of which the temperature is 23°C±2°C, the relative humidity is 50%±5% for at least 24 h, till the test starts. 4.4 Test procedure 4.4.1 Carry out the test under the environmental conditions of which the temperature is 10°C~30°C, the relative humidity is 15% ~ 80%. 4.4.2 The gas light is right under the specimen, at the plane of which the vertical centerline of the specimen is vertical to specimen’s surface. The central is rounded to the nearest whole number. 4.6 Representation of burning speed result 4.6.1 If the specimen cannot keep burning for 5s after ignition for 15 s in the flame, or the flame burns out by itself before reaching to the first marker line, then the burning speed shall be regarded as it fails to comply with requirements. Both shall be represented as 0 mm/min. 4.6.2 If the specimen can burn and the flame exceeds the first marker line, the burning speed shall be calculated according to the requirements in 4.5. The burning speed result shall be represented as vi-actual measured value mm/min, for example, vi-50 mm/min. 4.7 Test report The test report shall contain the following information. a) component name, model specification, material, manufacturer, testing organization, test date and test person; b) specimen quantity, specimen thickness; c) test results. ignition time, burning time, burning distance, burning speed as well as phenomena during combustion. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. 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