GB/T 5137.3-2020_English: PDF (GB/T5137.3-2020)
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Test methods of safety glazing materials used on road vehicles -- Part 3: Radiation, high temperature, humidity, fire and simulated weathering resistance tests
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GB/T 5137.3-2020
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| GB/T 5137.3-2002 | English | 70 |
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Test methods of safety glazing materials used on road vehicles -- Part 3: radiation, high temperature, humidity, fire and simulated weathering resistance tests
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GB/T 5137.3-2002
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| GB/T 5137.3-1996 | English | 279 |
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Road vehicles--Safety glazing materials--Test methods for resistance to radiation, high temperature, humidity, fire and simulated weathering
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GB/T 5137.3-1996
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| GB 5137.3-1987 | English | 199 |
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Road vehicles--Safety glasses--Test methods for resistance to radiation, high temperature, humidity and fire
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GB 5137.3-1987
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| Standard ID | GB/T 5137.3-2020 (GB/T5137.3-2020) | | Description (Translated English) | Test methods of safety glazing materials used on road vehicles -- Part 3: Radiation, high temperature, humidity, fire and simulated weathering resistance tests | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | T34 | | Classification of International Standard | 43.040.60 | | Word Count Estimation | 13,184 | | Date of Issue | 2020-03-31 | | Date of Implementation | 2021-02-01 | | Drafting Organization | China National Building Materials Inspection and Certification Group Co., Ltd., Fuyao Glass Industry Group Co., Ltd., Asahi Glass Automotive Glass (China) Co., Ltd., Jiangsu Iron Anchor Glass Co., Ltd., Dongguan Benxun Automotive Glass Co., Ltd., Momentive (Shanghai) Trading Co., Ltd. Company, Covestro Polymers (China) Co., Ltd., Shentong Technology Group Co., Ltd., Xinyi Auto Parts (Tianjin) Co., Ltd., Xinyi Auto Parts (Wuhu) Co., Ltd., National Safety Glass and Quartz Glass Quality Supervision and Inspection Center | | Administrative Organization | National Automotive Standardization Technical Committee (SAC/TC 114) | | Proposing organization | Ministry of Industry and Information Technology of the People's Republic of China | | Issuing agency(ies) | State Administration for Market Regulation, National Standardization Administration | | Standard ID | GB/T 5137.3-2002 (GB/T5137.3-2002) | | Description (Translated English) | Test methods of safety glazing materials used on road vehicles - Part 3: radiation, high temperature, humidity, fire and simulated weathering resistance tests | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | Q34 | | Classification of International Standard | 81.040.30 | | Word Count Estimation | 6,637 | | Date of Issue | 2002-12-20 | | Date of Implementation | 2003-05-01 | | Older Standard (superseded by this standard) | GB/T 5137.3-1996 | | Quoted Standard | GB/T 5137.1-2002; GB/T 5137.2-2002; GB 8410; | | Adopted Standard | ISO 3917-1999; MOD | | Drafting Organization | China Building Materials Academy, Institute of Science and specialty glass fiber glass | | Administrative Organization | National Automotive Standardization Technical Committee Technical Committee safety glass | | Proposing organization | Former State Building Materials Industry Bureau | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People Republic of China | | Summary | This standard specifies the: automotive safety glass resistance to radiation, temperature, humidity, fire and simulated climatic test methods. This standard applies to: automotive safety glass (hereinafter referred to as safety glass, This includes all types of safety glass processed glass into or a combination of glass and other materials into glass products, does not include plastic glass. | | Standard ID | GB/T 5137.3-1996 (GB/T5137.3-1996) | | Description (Translated English) | Road vehicles--Safety glazing materials--Test methods for resistance to radiation, high temperature, humidity, fire and simulated weathering | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | Q30 | | Classification of International Standard | 81.040.30 | | Word Count Estimation | 7,728 | | Date of Issue | 1996/3/26 | | Date of Implementation | 1996/10/1 | | Older Standard (superseded by this standard) | GB 5137.3-1985 | | Adopted Standard | ISO 3917-1992, MOD |
GB/T 5137.3-2020
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 43.040.60
T 34
Replacing GB/T 5137.3-2002
Test methods of safety glazing materials used on road
vehicles - Part 3: Radiation, high temperature, humidity,
fire and simulated weathering resistance tests
(ISO 3917:2016, Road vehicles - Safety glazing materials - Test methods for
resistance to radiation, high temperature, humidity, fire and simulated
weathering, MOD)
ISSUED ON: MARCH 31, 2020
IMPLEMENTED ON: FEBRUARY 01, 2021
Issued by: State Administration for Market Regulation;
Standardization Administration of the PRC.
Table of Contents
Foreword ... 3
1 Scope ... 6
2 Normative references ... 6
3 Terms and definitions ... 6
4 Test conditions ... 7
5 Radiation resistance test ... 7
6 Heat resistance test ... 9
7 Humidity resistance test ... 10
8 Fire resistance test ... 11
9 Simulated weathering resistance test ... 12
Annex A (Informative) Structural changes of this Part compared with ISO
3917:2016 ... 16
Annex B (Informative) Technical differences between this Part and ISO
3917:2016 and their causes ... 18
Test methods of safety glazing materials used on road
vehicles - Part 3: Radiation, high temperature, humidity,
fire and simulated weathering resistance tests
1 Scope
This Part of GB/T 5137 specifies the methods of radiation, heat, humidity, fire
and simulated weathering resistance tests for safety glazing materials used on
road vehicles.
This Part applies to the tests of safety glazing materials used on road vehicles.
2 Normative references
The following documents are indispensable for the application of this document.
For the dated references, only the editions with the dates indicated are
applicable to this document. For the undated references, the latest edition
(including all the amendments) are applicable to this document.
GB/T 5137.1 Test methods of safety glazing materials used on road vehicles
- Part 1: Mechanical properties tests (GB/T 5137.1-2020, ISO 3537:2015,
MOD)
GB/T 5137.2 Test methods of safety glazing materials used on road vehicles
- Part 2: Optical properties tests (GB/T 5137.2-2020, ISO 3538:1997, MOD)
GB 8410 Flammability of automotive interior materials
GB 9656 Safety glazing materials for road vehicles
GB/T 16422.2-2014 Plastics - Methods of exposure to laboratory light
sources - Part 2: Xenon-arc sources (ISO 4892-2:2006, IDT)
QC/T 1119 Road vehicles - Glazing materials - Terminology (QC/T 1119-
2019, ISO 3536:2016, MOD)
3 Terms and definitions
For the purposes of this document, the terms and definitions given in QC/T 1119
apply.
The test uses a special flat test piece or a test piece cut from a flat part of the
product as a sample. When cutting the test piece, if the product is safety glazing
material for the front windshield, it shall be cut from the test area for visible light
transmittance measurement. Moreover, one short side of the test piece shall be
part of the upper edge of the test area of visible light transmittance. The test
area of visible light transmittance shall meet the requirements of GB 9656. If
the product is safety glazing material other than the front windshield, one short
side of the test piece shall be part of the original side of the upper part of the
product.
5.4 Test procedure
5.4.1 The sample shall be stored under the conditions specified in Clause 4 for
4 h before the test.
5.4.2 Before radiation, according to the method specified in GB/T 5137.2,
determine the visible light transmittance of the sample. Protect a part of each
sample from radiation; then, place the sample on the device 230 mm away from
the lamp axis and make it parallel to the lamp axis in the length direction.
Throughout the test, maintain the sample temperature at 45 °C±5 °C. The side
of the sample facing the lamp shall be the side facing outwards when mounted
on the vehicle. The radiation time is 100 h.
5.4.3 After radiation, determine the visible light transmittance of the radiation
area of each sample.
5.4.4 Compare the visible light transmittance of the same sample before and
after radiation. For photochromic or dimming glass, respectively, it shall
measure the lowest and highest visible light transmittance of the sample before
and after radiation. Compare the lowest visible light transmittance of the same
sample before and after radiation; and, compare the highest visible light
transmittance of the same sample before and after radiation.
5.4.5 After radiation, it shall observe the discoloration of the sample: PLACE
the sample on a white background; compare the difference between the
radiation area and the shielding area. It is also possible to determine the three-
primary color coordinate system of the sample before and after radiation;
calculate the color difference according to the provisions of the International
Commission on Illumination (CIE); and, record the color difference before and
after radiation.
5.4.6 While using a white background to check, observe and record changes in
appearance such as discoloration, blistering, and turbidity.
25 mm from the cutting edge, or 10 mm from any cracks that may be generated
are not considered.
7 Humidity resistance test
7.1 Test purpose
To determine whether the safety glazing material can withstand the effects of
atmospheric moisture for a certain period of time.
7.2 Apparatus
Humidity resistance test chamber.
The humidity resistance test chamber shall be kept closed; and, during the test,
the temperature shall be kept constant at 50 °C±2 °C and the relative humidity
at 95%±4%. In the device, measures shall be taken to avoid any condensation
of water vapor on the surface of the sample, and to prevent condensate on the
top and wall surfaces inside the test chamber from dripping onto the sample.
7.3 Sample
Size: At least 300 mm × 300 mm.
The test uses a special flat test piece or a test piece cut from a flat part of the
product as a sample. When applicable, the product can also be a sample. When
cutting the test piece, it shall make sure that, at least one side of the test piece
is part of the original side of the product.
7.4 Test procedure
7.4.1 Rigid plastics shall be placed at 23 °C±2 °C, relative humidity 50%±5%
conditions for 48 h before the test. Except for rigid plastics, for other types of
glazing materials, the samples shall be stored under the conditions specified in
Clause 4 for 4 h before the test.
7.4.2 The sample is placed vertically in the humidity resistance test chamber
for 336 h (2 weeks). The temperature of the test chamber is maintained at
50 °C±2 °C. The relative humidity is 95%±4%. If several samples are tested at
the same time, appropriate gaps shall be left between the samples.
7.4.3 After the test is completed, the laminated glass shall be placed under the
conditions of Clause 4 for 2 h before being evaluated. Film-mounted glass,
plastic-glass composite materials, and rigid plastics shall be placed for 48 h
before being evaluated.
b) The frequency of the power supply device or transformer shall be 50 Hz
or 60 Hz.
c) The simulated weathering resistance test apparatus shall be able to
control and measure the following parameters:
1) Irradiance;
2) Blackboard temperature;
3) Spray time;
4) Test progress and number of test cycles.
d) This apparatus is made of inert materials, which will not contaminate the
test water.
e) The irradiance shall be measured on the surface of the sample and
controlled as recommended by the manufacturer.
f) It shall be able to measure or calculate the total ultraviolet radiation energy
(J/m2); and, consider it as the main basis for the test solarization.
g) The test apparatus shall be able to maintain continuous illumination and
intermittent spraying.
9.3 Sample
Size: 130 mm × 40 mm. In addition to the test sample, a parallel sample shall
be prepared for comparison.
The test uses a special flat test piece or a test piece cut from a flat part of the
product as a sample.
9.4 Test procedure
9.4.1 Solarization conditions
9.4.1.1 Each sample shall face the radiation light source with the side facing
outwards when mounted on a real vehicle.
9.4.1.2 During the test, it shall be ensured that, the total ultraviolet radiation
energy received by the surface of the sample facing the radiation light source
is 500 MJ/m2.
9.4.1.3 During the test, it shall be ensured that, the difference between the
minimum and maximum radiation intensity of the surface of the sample facing
the radiation light source and the average value of the two does not exceed
±10% of the average value.
9.4.1.4 In the circulating drying stage, the temperature in the solarization room
shall be controlled by sufficient circulating air, to ensure a constant blackboard
temperature.
9.4.1.5 In the xenon-arc lamp device, the indication value of blackboard
temperature shall be 70 °C±3 °C. The blackboard thermometer shall be
installed on the sample holder. The reading shall be the hottest value produced
by light radiation.
9.4.1.6 The humidity in the drying stage shall be kept within the range of
50%±5%.
9.4.1.7 In the deionized water used in the spraying stage, the silica solid
impurity content shall be less than 1 μg/g. No permanent residues or
precipitates, which have an influence on the subsequent measurement, shall
be left on the sample.
9.4.1.8 The pH of the water shall be controlled between 6.0~8.0. The
conductivity shall be less than 5 μS/cm.
9.4.1.9 The water used in the solarization device shall enter the system at the
same temperature as the ambient water.
9.4.1.10 Sufficient water shall, in the form of a mist, be sprayed evenly onto the
surface of the sample; and, the surface shall be immediately wetted. The water
mist shall be sprayed directly on the side of the sample facing the light source.
It is not allowed to recycle the spray water or soak the sample in water.
9.4.1.11 The sample shall rotate around the center of the light source, to ensure
uniform irradiance; or use other radiation methods, which can ensure uniform
irradiance. The sample holder shall be filled with samples or substitutes, to
ensure an even temperature distribution. The back of the sample on the sample
holder shall be exposed to the radiation room environment; but the reflected
light from the room wall is not allowed to fall to the back of the sample. If
necessary, without affecting the free circulation of air on the surface of the
sample, the sample can be backed to block this reflected light.
9.4.1.12 It shall regularly use detergent and clean water to wash the xenon lamp
filter. According to the service life of the xenon lamp, the xenon lamp shall be
replaced regularly.
9.4.2 Solarization process
9.4.2.1 Rigid plastics shall be placed at 23 °C±2 °C, relative humidity 50%±5%
......
GB 5137.3-2002
GB
ICS 81.040.30
Q 34
NATIONAL STANDARD
OF THE PEOPLE’S REPUBLIC OF CHINA
Replacing GB 5137.3-1996
Test methods of safety glazing materials used on road
vehicles - Part 3. radiation, high temperature, humidity, fire
and simulated weathering resistance tests
(ISO 3917.1999 Road vehicles - safety glazing materials -
Test methods for resistance to radiation, high temperature, humidity,
fire and simulated weathering, MOD)
ISSUED ON. DECEMBER 20, 2002
IMPLEMENTED ON. MAY 1, 2003
Issued by.
General Administration of Quality Supervision,
Inspection and Quarantine of the People’s Republic of
China
Table of Contents
Foreword ... 3
1 Scope ... 5
2 Reference standards ... 5
3 Test conditions ... 5
4 Test application ... 6
5 Radiation resistance test ... 6
6 High temperature resistance test ... 7
7 Humidity resistance test ... 8
8 Burning resistance test ... 9
9 Simulated weathering resistance test ... 9
Foreword
GB/T 5137 "Test methods of safety glazing materials used on road vehicles" is divided
into 4 parts.
- Part 1. Test methods of safety glazing materials used on road vehicles. Part 1.
mechanical properties tests
- Part 2. Test methods of safety glazing materials used on road vehicles. Part 2.
optical properties tests
- Part 3. Test methods of safety glazing materials used on road vehicles. Part 3.
radiation, high temperature, humidity, fire and simulated weathering
resistance tests
- Part 4. Road vehicles. Safety glazing materials. Method for the determination of
solar transmittance
This Part is part 3 of GB/T 5137.
This Part of GB/T 5137 modifies and adopts ISO 3917.1999 "Road vehicles - safety
glazing materials - Test methods for resistance to radiation, high temperature, humidity,
fire and simulated weathering" (English edition).
The main differences between this Part and the international standard are as follows.
- DELETE the test requirements relevant to plastic glass materials;
- DELETE the requirements of open-flame carbon arc lamp device in simulated
weathering test;
- DELETE the requirements of test report description in simulated weathering test
items.
This Part replaces GB/T 5137.3-1996 Test methods of safety glazing materials used
on road vehicles Part 3. radiation, high temperature, humidity, fire and simulated
weathering resistance tests.
Compared with GB/T 5137.3-1996, there is no technical change in this Part, except
that – in order to maintain the consistency of each test, DELETE the description of the
test report in previous standard.
This Part was proposed by the former State Bureau of Building Materials Industry.
This Part shall be centralized by the National Standardization Technical Committee
Automotive Safety Glass Sub-technical Committee.
Main drafting organization of this Part. Glass Science and Special Glass Fiber Institute
of China Building Materials Academy.
The main drafters of this Part. Wang Rui, Wang Wenbiao, and Zhou Junyan.
The previous editions replaced by this Part are.
GB 5137.3-1985, GB/T 5137.3-1996.
GB 17326-1998
Test methods of safety glazing materials used on road
vehicles - Part 3. radiation, high temperature, humidity, fire
and simulated weathering resistance tests
1 Scope
This Part of GB/T 5137 specifies the test methods of safety glazing materials used on
road vehicles - radiation, high temperature, humidity, fire and simulated weathering
resistance.
This Part applies to automotive safety glass (hereinafter referred to as safety glass). It
includes those glass products which are processed by various types of safety glass or
which are combined of glass and other materials.
2 Reference standards
The following documents contain provisions which, through reference in this Standard,
become provisions of this Standard. For dated references, their subsequent
amendments (excluding corrections) or revisions do not apply to this Standard.
However, the parties who enter into agreement based on this Standard are
encouraged to investigate whether the latest versions of these documents are
applicable. For undated reference documents, the latest versions apply to this
Standard.
GB/T 5137.1-2002 Test methods of safety glazing materials used on road
vehicles. Part 1. mechanical properties tests (ISO 3537.1999, MOD)
GB/T 5137.2 2002 Test methods of safety glazing materials used on road
vehicles. Part 2. optical properties tests (ISO 3538.1997, MOD)
GB 8410 Flammability of automotive interior materials
3 Test conditions
Unless otherwise specified, the test shall be carried out under the following conditions.
a) Ambient temperature. 20 °C ± 5 °C;
b) Atmospheric pressure. 8.60 × 104 Pa - 1.06 × 105 Pa;
c) Relative humidity. 40% - 80%.
GB 17326-1998
4 Test application
For certain types of safety glazing materials, if the test results can be predicted
according to the certain known properties, then it is not necessary to carry out all the
tests specified in this Part.
5 Radiation resistance test
5.1 Test purpose
After the safety glass is radiated for certain period of time, DETEMINE whether there
is any obvious discoloration or decrease in transmittance phenomenon.
5.2 Apparatus
5.2.1 Radiation source
It is consisted of a medium pressure mercury arc lamp with a tubular quartz bulb of
ozone-free. The bulb axis shall be vertical. The nominal dimensions of the lamp shall
be 360 mm in length, and 9.5 mm in diameter. The arc length shall be 300 mm ± 14
mm. The operating power is 750 W ± 50 W.
Any other source of radiation which produces the same effect as the lamp specified
above may be used. To check that the effects of another source are the same, a
comparison shall be made. The method is to measure the amount of energy emitted
within a wavelength range of 300 nm to 450 nm, all other wavelengths being removed
by the use of suitable filters. Therefore, alternative source shall be used with filters.
For the safety glass for which there is no satisfactory correlation between this test and
the conditions of use, it must re-consider the test conditions.
5.2.2 Power supply transformer and capacitor
It shall be capable of supplying a starting-peak voltage of 1100 V minimum and an
operating voltage of 500 V ± 50 V to the arc lamp.
5.2.3 Test specimen fixing and rotating devices
It is rotated around the radiation source mounted at the axis, at speed of 1 r/min - 5
r/min, so as to ensure the even radiation.
5.3 Test specimen
Dimension. 76 mm x 300 mm.
5.4 Test procedure
GB 17326-1998
However, the light reflected from the chamber wall is not allowed to fall onto the back
od the specimen. If necessary, under the conditions of not affecting the free air
circulation of specimen surface, the specimen may be installed with back-cover to
block such reflected light.
9.4.6 Specimen apparatus shall be able to maintain continuous light radiation and
intermittent spray - pure light radiation for 102 min and spray light radiation for 18 min
within 2h cycle period.
9.4.7 After the end of the test, CLEAN the test specimen according to the requirements.
Or REMOVE the residue from the specimen surface according to the method
recommended by the manufacturer.
9.5 Result judgment
9.5.1 EVALUATE the following situations of the specimen through inspecting the
appearance quality.
a) Bubble;
b) Color;
c) Turbid;
d) Unglued.
9.5.2 According to the provisions of GB/T 5137.1-2002 and GB/T 5137.2-2002,
DETERMINE the abrasion resistance and transmittance after its exposure.
9.6 Expression of results
After the test, RECORD the appearance quality of the specimen. And COMPARE with
the appearance quality of the specimen before test. SUBMIT the change result report
of determined abrasion resistance and transmittance before and after the specimen is
exposed.
......
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