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ASTM D1712-09(2014)..
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ASTM D4459-12
Standard Practice for Xenon-Arc Exposure of Plastics Intended for Indoor Applications
Automaticky přeložený název:
Standardní praktiky pro Xenon-Arc Expozice plastech určených pro vnitřní použití
NORMA vydána dne 15.11.2012
Informace o normě:
Označení normy: ASTM D4459-12
Poznámka: NEPLATNÁ
Datum vydání normy: 15.11.2012
Kód zboží: NS-27316
Počet stran: 4
Přibližná hmotnost: 12 g (0.03 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM
Kategorie - podobné normy:
Anotace textu normy ASTM D4459-12 :
Keywords:
colorfastness, indoor exposure, lightfastness, light exposure, xenon-arc, ICS Number Code 83.080.01 (Plastics in general)
Doplňující informace
| Significance and Use | ||||||||||||||||||||||||
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4.1 This practice is intended to simulate the effects produced by exposure to solar radiation through glass. This practice uses exposure in a xenon-arc device equipped with window glass filters and operated in accordance with Practices G151 and G155. 4.2 Warning—Variation in results may be
expected when operating conditions are varied within the accepted
limits of this practice. Therefore, all references to the use of
this practice must be accompanied by a report prepared in
accordance with Section 4.3 Test results will depend upon
the care that is taken to operate the equipment in accordance with
Practice G155. Significant factors include regulation of line
voltage, temperature and humidity control, and condition and age of
the lamps and filters.
4.4 Reproducibility of test results between laboratories has been shown to be good when the stability of materials is evaluated in terms of performance ranking compared to other materials or to a control.4,5 Therefore, exposure of a similar material of known performance (a control) at the same time as the test materials is strongly recommended. It is recommended that at least three replicates of each material be exposed to allow for statistical evaluation of results. |
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| 1. Scope | ||||||||||||||||||||||||
|
1.1 This practice covers specific procedures and test conditions that are applicable for exposure of plastics in window glass-filtered xenon-arc devices in accordance with Practices G151 and G155 for evaluating the stability of plastics intended for use in indoor applications. 1.2 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.
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Standard Practice for Exposing Nonmetallic Materials in Accelerated Test Devices that Use Laboratory Light Sources
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Standard Terminology Relating to Natural and Artificial Weathering Tests of Nonmetallic Materials
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Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
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Standard Practice for Operating Xenon Arc Lamp Apparatus for Exposure of Materials
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Standard Practice for Visual Appraisal of Colors and Color Differences of Diffusely-Illuminated Opaque Materials
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Standard Guide for Application of Basic Statistical Methods to Weathering Tests
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Standard Practice for Calculation of Color Tolerances and Color Differences from Instrumentally Measured Color Coordinates
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Practice for Interlaboratoy Testing of Paint and Related Materials (Withdrawn 1998)
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Standard Practice for Calculating Property Retention Index of Plastics
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Standard Practice for Accelerated Testing for Color Stability of Plastics Exposed to Indoor Office Environments
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Standard Practice for Conditioning and Handling of Nonmetallic Materials for Natural and Artificial Weathering Tests
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Standard Guide for Addressing Variability in Exposure Testing of Nonmetallic Materials |
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