ASTM F2078-08a
ASTM F2109-01(2011)..
ASTM F2111-01a(2011)..
ASTM G125-00(2008)..
ASTM G128-02(2008)..
ASTM G151-10
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ASTM G155-13
Standard Practice for Operating Xenon Arc Light Apparatus for Exposure of Non-Metallic Materials
STANDARD published on 1.6.2013
The information about the standard:
Designation standards: ASTM G155-13
Note: WITHDRAWN
Publication date standards: 1.6.2013
SKU: NS-57462
The number of pages: 11
Approximate weight : 33 g (0.07 lbs)
Country: American technical standard
Category: Technical standards ASTM
The category - similar standards:
Annotation of standard text ASTM G155-13 :
Keywords:
accelerated, accelerated weathering, durability, exposure, laboratory weathering, light, lightfastness, non-metallic materials, temperature, ultraviolet, weathering, xenon arc, ICS Number Code 19.040 (Environmental testing)
Additional information
| Significance and Use | ||||||||||||||
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5.1 The use of this apparatus is intended to induce property changes associated with the end use conditions, including the effects of sunlight, moisture, and heat. These exposures may include a means to introduce moisture to the test specimen. Exposures are not intended to simulate the deterioration caused by localized weather phenomena, such as atmospheric pollution, biological attack, and saltwater exposure. Alternatively, the exposure may simulate the effects of sunlight through window glass. Typically, these exposures would include moisture in the form of humidity. 5.2 Variation in results may be
expected when operating conditions are varied within the accepted
limits of this practice. Therefore, no reference shall be made to
results from the use of this practice unless accompanied by a
report detailing the specific operating conditions in conformance
with the Report Section.
5.2.1 It is recommended that a similar material of known performance (a control) be exposed simultaneously with the test specimen to provide a standard for comparative purposes. It is best practice to use control materials known to have relatively poor and good durability. It is recommended that at least three replicates of each material evaluated be exposed in each test to allow for statistical evaluation of results. |
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| 1. Scope | ||||||||||||||
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1.1 This practice covers the basic principles and operating procedures for using xenon arc light and water apparatus intended to reproduce the weathering effects that occur when materials are exposed to sunlight (either direct or through window glass) and moisture as rain or dew in actual use. This practice is limited to the procedures for obtaining, measuring, and controlling conditions of exposure. A number of exposure procedures are listed in an appendix; however, this practice does not specify the exposure conditions best suited for the material to be tested. 1.2 Test specimens are exposed to
filtered xenon arc light under controlled environmental conditions.
Different types of xenon arc light sources and different filter
combinations are described.
1.3 Specimen preparation and evaluation of the results are covered in ASTM methods or specifications for specific materials. General guidance is given in Practice G151 and ISO 4892-1. More specific information about methods for determining the change in properties after exposure and reporting these results is described in Practice D5870. 1.4 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. 1.5.1 Should any ozone be generated from the operation of the lamp(s), it shall be carried away from the test specimens and operating personnel by an exhaust system. 1.6 This practice is technically similar to the following ISO documents: ISO 4892-2, ISO 11341, ISO 105 B02, ISO 105 B04, ISO 105 B05, and ISO 105 B06. |
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| 2. Referenced Documents | ||||||||||||||
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