GB/T 32088-2015 English PDF (GB/T32088-2015)

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GB/T 32088-2015: Accelerated Weathering Test Methods of Automotive Nonmetal Components and Materials Using a Xenon-Arc Apparatus
GB/T 32088-2015
(Non-metallic parts and materials automotive xenon lamp accelerated aging test method)
ICS 43.020
T40
National Standards of People's Republic of China
Automobile parts and non-metallic materials xenon lamp
Accelerated aging test
Issued on. 2015-10-09
2016-04-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
The standard proposed by the Ministry of Industry and Information Technology.
This standard by the National Automotive Standardization Technical Committee (SAC/TC114) centralized.
Drafting of this standard. National Automobile Quality Supervision and Inspection Center (Xiangyang), Dongfeng Motor Corporation Technical Center, China First Automobile
Technology Center Co., FAW - Volkswagen Automotive Co., Ltd., Pan Asia Technical Automotive Center Co., Ltd., Dongfeng Peugeot Citroen Automobile Co., Ltd.,
Fifty nine countries Ordnance Industry Institute, National Polymer Materials and Product Quality Supervision and Inspection Center, Shenzhen BYD Automobile Co., Ltd., Zhejiang
Jiang Jun Seoul New Material Co., DuPont Performance Coatings (Shanghai) Co., Ltd., Hainan Tropical Automobile Test Co., CSTC Standards
Technology Services (Shanghai) Co., Ltd., Chery Automobile Co., blond Technology Co., Ltd., Nanjing Automobile Group Co., Ann
Logo Jianghuai Automobile Co., Ltd., Shanghai Automotive Group Co., Ltd. passenger car division, Changan Automobile Company Limited Automotive Engineering
Institute.
The main drafters of this standard. Liu Lizhi, Zhang Heng, Sunxing Lei, satisfied that the new king, Li Jinghua, Yu Hui Jie, Liu Shuwen, Dan, Yang Jiao E, Liming Huan,
Tianyue E, Liu Yuchun, Wang Hao, Zheng Zhen Wu, Ningbin Hua, Zhou Yibing, Chen Liping, Yang Fengfu, Jiang group, Chen Haiyan, Lixiao Yin, Li Weidong, Chen Zheng,
Li Zhang silver, Chenguang Jiang, Zhu gold, Chen Liang school, Yangru Song, Huang Xu, Zhou Yi.
Automobile parts and non-metallic materials xenon lamp
Accelerated aging test
1 Scope
This standard specifies the application of a controlled irradiance Xenon automotive equipment non-metallic parts and materials test methods and evaluation methods of accelerated aging.
This standard applies to automotive plastics, rubber, textiles, leather, adhesives, coatings and other non-metallic parts and materials.
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.
GB/T 1766-2008 Paints and varnish coating aging rating method
GB/T 2918-1998 plastic sample conditioning and testing of the standard environment
Laboratory use specifications and test methods GB/T 6682-2008 Analysis
GB measured after daylight, natural weathering or laboratory light exposure and color performance changes/T 15596-2009 plastic in glass
GB/T 16422.1-2006 Plastics - Methods of exposure to laboratory light sources - Part 1. General
AATCC evaluation procedures 1-2007 assessing change in color Grey card (AATCCEvaluationprocedure1-2007Gray
scaleforcolorchange)
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
Xenon xenonlamp
A kind of luminous gas xenon lamp charge.
Note. the wavelength range of 250nm from a xenon lamp spectrum in the short-wave ultraviolet, visible through infrared region until, through with different types of filters to simulate
Indoor or outdoor daylight.
3.2
Spectral energy distribution spectralpowerdistribution
SPD
Absolute or relative to a source of radiant energy emitted by an object or accepted, it is a function of wavelength.
3.3
Irradiance irradiance
Radiation energy received on the surface of a specimen per unit time per unit area.
Note. The units of watts (W/m2), and monitoring the value of the relevant spectral bands per square meter.
3.4
Irradiance radiant
Irradiance time points.
Note. joules per square meter (J/m2).
3.5
Blackboard thermometer blackpanelthermometer
A temperature measuring apparatus comprising a surface coated with a light absorbing black coating of corrosion resistant metal plate and the sensor indicates the status of the test sample
Goods in the course of the experiment the highest possible temperature.
3.6
Black Label thermometer blackstandardthermometer
A temperature measuring apparatus comprising a surface coated with a light absorbing black coating of corrosion resistant metal plate, heat insulating materials and white sensors,
It is used to indicate test samples during the test at the highest possible temperature.
3.7
Test samples testspecimen
Exposure test samples.
3.8
Reserve samples filespecimen
Stored under stable conditions without exposure test used to compare the change in performance before and after exposure of the samples.
3.9
Reference material referencematerial
One kind of performance materials are known, used to monitor the xenon lamp test device is functioning properly.
4 Test Equipment
4.1 Test equipment xenon lamp as a radiation source. Test samples were installed in the test chamber, the test sample should ensure consistent test conditions. test
Test equipment should be able to automatically control a certain way irradiance, temperature blackboard/black standard temperature, air temperature and the housing chamber relative humidity. test
Before you begin, the two sides should agree on the pilot test equipment manufacturers and test equipment models. The test equipment described in more detail with reference to
GB/T 16422.1-2006.
4.2 equipment manufacturer is responsible for device validation, test equipment and provide key parameters indicators, including spectral power distribution (SPD) and the like. Cherrie
It has been recognized with some of the standard reference material test equipment for verification testing, such as polystyrene standard light material, AATCCL4 blue
Standard color wool fabrics. Equipment manufacturer shall provide the necessary data to prove that the test results of various different types of devices comparable
Sex, should include at least the relative spectral energy distribution of 250nm ~ 800nm and standard reference material repeatability and reproducibility of the data. test
The two sides should before the test to confirm the type of device.
NOTE. In the daily trials, different devices may lead to different test results, test results will depend on the characteristics of test equipment and test samples of
design.
4.3 Unless otherwise agreed the test, the test equipment should be installed or black mark blackboard thermometer thermometer.
4.4 Test equipment shall ensure that the degree of exposure to radiation at any location in the region for this test sample at least 70% of the region's largest irradiance.
5 test sample
5.1 Test sample size agreed upon by the two sides test.
5.2 Test samples should be cleaned before the test, the sample should not be used may erode the surface of the cleaning agent. Not wash away the sample surface is coated intentionally
The protective film.
5.3 If the sample is cut from a large workpiece, test the two sides agreed to ensure that the test of the sample comply with the test requirements.
5.4 Number of samples of at least two, one as reserve samples, used to assess contrast, stored in a dark, dry environment. Unless the test
The two sides agreed to a special, reserve samples generally do not use masking sample half way.
5.5 provide different aging time of the recording interval, the need to provide a sufficient number of samples.
5.6 For soft samples should be fixed on an inert metal back.
6 Test conditions and test methods
6.1 in accordance with Appendix A of the test equipment maintenance and calibration. When testing for automotive interior parts, Appendices B and C shall use the reference
Materials testing equipment to verify when the car exterior parts for testing shall use Appendix C reference material verification testing equipment.
6.2 water for spraying, humidifying or other purposes should not leave any deposits or smudges on the test sample, the water content is not solid particles
It should be more than one-millionth of a silica content of not more than 2/10000000. Determination of silicon dioxide with reference to GB/T 6682-2008.
6.3 test car interior parts, you should turn off all sprinkler device to prevent accidental spraying of the test sample.
6.4 test car interiors, by installing the appropriate filters, so that the spectral energy distribution of the xenon lamp (SPD) in accordance with Table D.2 or D.3 table
Requirements.
6.5 When testing automotive exterior parts, by installing the appropriate filters, so that the spectral energy distribution of the xenon lamp (SPD) in accordance with Table D.1 or Table D.3
Requirements.
6.6 test automotive interior parts, under the circumstances, the two sides agreed to select test in Table 1 for a test method for testing. generally
Under recommended Test Method A-1.
1 automotive interior parts Test Method Table
Test methods filter
Irradiance
W/m2
wavelength
nm
Test cycle
A-1
Windowpane
Filter
1.20 ± 0.02 420
Black panel temperature 89 ℃ ± 3 ℃, the box air temperature 62 ℃ ± 2 ℃, relative humidity of 50% ± 5%
Under the experimental conditions, run 3.8h light cycle;
Black panel temperature 38 ℃ ± 3 ℃, the box air temperature 38 ℃ ± 3 ℃, relative humidity of 95% ± 5%
Under the experimental conditions, run 1h dark cycle
A-2
Windowpane
Filter
1.20 ± 0.02 420
Black standard temperature of 100 ℃ ± 3 ℃, the box air temperature 65 ℃ ± 3 ℃, relative humidity of 20% ± 10%
Light cycle operation under test conditions
A-3
Extended UV
Filter
0.55 ± 0.02 340
Black panel temperature 89 ℃ ± 3 ℃, the box air temperature 62 ℃ ± 2 ℃, relative humidity of 50% ± 5%
Under the experimental conditions, run 3.8h light cycle;
Black panel temperature 38 ℃ ± 3 ℃, the box air temperature 38 ℃ ± 3 ℃, relative humidity of 95% ± 5%
Under the experimental conditions, run 1h dark cycle
6.7 test car exterior parts, under the circumstances, the two sides agreed to test a selection of 2 Table Test Method for testing. generally
Under recommended Test Method B-1.
2 car exterior parts Test Method Table
Test methods filter
Irradiance
W/m2
wavelength
nm
Test cycle
B-1
sunlight
Filter
0.55 ± 0.02 340
Black panel temperature 38 ℃ ± 3 ℃, the box air temperature 38 ℃ ± 3 ℃, relative humidity of 95% ± 5%
Under test conditions, running 60min dark cycle, while the front and back water spray;
Black panel temperature 70 ℃ ± 3 ℃, the box air temperature 47 ℃ ± 3 ℃, relative humidity of 50% ± 5%
Under test conditions, running 40min light cycle;
Black panel temperature 70 ℃ ± 3 ℃, the box air temperature 47 ℃ ± 3 ℃, relative humidity of 50% ± 5%
Under test conditions, running 20min light cycle, while positive water spray;
Black panel temperature 70 ℃ ± 3 ℃, the box air temperature 47 ℃ ± 3 ℃, relative humidity of 50% ± 5%
Under test conditions, running 60min light cycle
TABLE 2 (cont.)
Test methods filter
Irradiance
W/m2
wavelength
nm
Test cycle
B-2
sunlight
Filter
0.65 ± 0.02 340
Black standard temperature of 90 ℃ ± 2 ℃, chamber air temperature 50 ℃ ± 2 ℃, relative humidity of 20% ± 10%
Under test conditions, running light cycle
B-3
Extended UV
Filter
0.55 ± 0.02 340
Black panel temperature 38 ℃ ± 3 ℃, the box air temperature 38 ℃ ± 3 ℃, relative humidity of 95% ± 5%
Under test conditions, running 60min dark cycle, while the front and back water spray;
Black panel temperature 70 ℃ ± 3 ℃, the box air temperature 47 ℃ ± 3 ℃, relative humidity of 50% ± 5%
Under test conditions, running 40min light cycle;
Black panel temperature 70 ℃ ± 3 ℃, the box air temperature 47 ℃ ± 3 ℃, relative humidity of 50% ± 5%
Under test conditions, running 20min light cycle, while positive water spray;
Black panel temperature 70 ℃ ± 3 ℃, the box air temperature 47 ℃ ± 3 ℃, relative humidity of 50% ± 5%
Under test conditions, running 60min light cycle
7 Test procedure
7.1 size of the test sample shall meet the requirements of the specimen holder, mounting irregular test samples from the test agreed.
7.2 test samples to be processed to be able to install the test equipment used in the sample folder, press GB/T 2918-1998 for the test requirements
Sample conditioning.
7.3 Test equipment according to the instructions on the test sample exposure, the test sample surface receives a uniform irradiance.
7.4 for textile interior parts of the test should be added as a white cardboard backing. In addition to other types of outside textile test sample, e.g.
If the size is smaller than the sample clip, you should as a white cardboard backing.
7.5 In order to maintain consistent test conditions, the sample holder of all vacancies are applied inert material made of non-reflective plate (such as white cardboard
Etc.) fill, if the flat significant modification should be replaced.
Different test sample 7.6 pairs of test results affect each other, should not be tested while installed in the same test chamber.
7.7 Test methods for selecting, each time setting the amount of radiation required to achieve or time trials. It recommended during the test while using reference material
comparing.
7.8 During the test, the need to regularly rotate the position of the test sample, in order to further improve the uniformity of the test. For special requirements, the two sides should test
To agree on the way the rotation of the test sample.
NOTE. Additional test equipment operation, such as checking the test sample chamber open during the test, it may lead to the deviation of the test results.
8 Results and Evaluation
8.1 Evaluation of the degree of discoloration
8.1.1 Measurement Instruments
With instruments to measure the test sample before the test and after receiving a certain amount of exposure on the co...