Wir benötigen Ihre Einwilligung zur Verwendung der einzelnen Daten, damit Sie unter anderem Informationen zu Ihren Interessen einsehen können. Klicken Sie auf "OK", um Ihre Zustimmung zu erteilen.
Standard Practice for Exposure of Photodegradable Plastics in a Xenon Arc Apparatus
Automatische name übersetzung:
Standard Praxis zur Belichtung von Photochemisch Plastics in einem Xenon-Bogen-Geräte
NORM herausgegeben am 1.4.2013
Bezeichnung normen: ASTM D5071-06(2013)
Anmerkung: UNGÜLTIG
Ausgabedatum normen: 1.4.2013
SKU: NS-29729
Zahl der Seiten: 6
Gewicht ca.: 18 g (0.04 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM
Other standards related to wastesFluorescent lamps. Discharge lamps
Keywords:
degradable plastics, exposure, photodegradable, ultraviolet radiation, xenon arc, ICS Number Code 13.030.99 (Other standards related to wastes),29.140.30 (Fluorescent lamps. Discharge lamps)
Significance and Use | ||||||||||||||||||||||||||||||||||||
4.1 Materials made from photodegradable plastics are intended to deteriorate rapidly when exposed to solar radiation, oxygen, heat, moisture and other degrading elements of the weather. This practice is used for evaluating the photodegradability of plastics when exposed in an apparatus that produces simulated daylight (1,2)6 and controlled temperature and moisture. The exposure used in this practice is not intended to simulate the deterioration caused by localized weather phenomena such as atmospheric pollution, biological attack, and salt water exposure. There can be no positive correlation of exposure results between this and other laboratory weathering devices. 4.2 Variations in results can be expected when operating conditions are varied within the accepted limits of this practice. Therefore, all test results using this practice must be accompanied by the specific operating conditions required in Section 4.3 The results of laboratory exposure cannot be directly extrapolated to estimate absolute rate of deterioration by the environment because the acceleration factor is material dependent and can be significantly different for each material and for different formulations of the same material. However, exposure of a similar material of known outdoor performance, a control, at the same time as the test specimens allows comparison of the durability relative to that of the control under the test conditions. Evaluation in terms of relative durabilities also greatly improves the agreement in test results among different laboratories (3). 4.4 Test results will depend on the care that is taken to operate the equipment in accordance with Practice G155. Significant factors include regulation of line voltage, freedom from salt or other deposits from water, temperature and humidity control and condition and age of the burners and filters. 4.5 Before proceeding with this
practice, it is common practice to reference the specifications of
the material being tested. Any test specimen preparation,
conditioning, dimensions, or testing parameters, or combination
thereof, covered in the material specification shall take
precedence over those mentioned in this practice. If there are no
material specifications, then the default conditions apply.
|
||||||||||||||||||||||||||||||||||||
1. Scope | ||||||||||||||||||||||||||||||||||||
1.1 This practice covers specific procedures and test conditions that are applicable for xenon arc exposure of photodegradable plastics conducted in accordance with Practices G151 and G155. This practice also covers the preparation of test specimens, the test conditions best suited for photodegradable plastics, and the evaluation of test results. 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.
|
|
Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
|
|
Standard Terminology Relating to Natural and Artificial Weathering Tests of Nonmetallic Materials
|
|
Standard Guide for Addressing Variability in Exposure Testing of Nonmetallic Materials
|
|
Standard Practice for Conditioning and Handling of Nonmetallic Materials for Natural and Artificial Weathering Tests
|
|
Standard Test Methods for pH of Water
|
|
Standard Practice for Determining Degradation End Point in Degradable Polyethylene and Polypropylene Using a Tensile Test
|
|
Test Method for Molecular Weight Averages and Molecular Weight Distribution of Certain Polymers by Liquid Size-Exclusion Chromatography (Gel Permeation Chromatography GPC) Using Universal Calibration (Withdrawn 1993)
|
|
Standard Practice for Xenon-Arc Exposure of Plastics Intended for Outdoor Applications
|
DIN 53384
|
Testing of Plastics: Artificial Weathering or Exposure in Laboratory Exposure Weathering or Exposure in Laboratory Exposure Apparatus to UV Radiation
|
Publication C.I.E.
|
No. 85 (1989) Publication No. CIE 85, 1 st Ed., 1989 Technical Report, Solar Spectral Irradiance, available from U.S. National Committee CIE, Mr. Thomas M. Lemons, TLA-Lighting Consultants, Inc., 72 Loring Ave., Salem, MA 01970.
|
ISO 4892-2
|
Plastics--Method of Exposure to Laboratory Light Sources--Part 2, Xenon Arc Sources Available from American National Standards Institute (ANSI), 25 W. 43rd St., 4th Floor, New York, NY 10036.
|
|
Standard Guide for Application of Basic Statistical Methods to Weathering Tests
|
|
Standard Test Method for Tensile Properties of Thin Plastic Sheeting
|
|
Standard Terminology Relating to Plastics
|
|
Standard Practice for Operating Xenon Arc Lamp Apparatus for Exposure of Materials
|
|
Standard Practice for Exposing Nonmetallic Materials in Accelerated Test Devices that Use Laboratory Light Sources
|
|
Standard Practice for Calculating Property Retention Index of Plastics
|
|
Standard Practice for Number of Strokes to Prime a Mechanical Pump Dispenser |
Historisch
1.2.2013
Historisch
1.12.2010
Historisch
1.5.2010
Historisch
1.11.2012
Historisch
15.11.2009
Historisch
1.2.2011
Wollen Sie sich sicher sein, dass Sie nur die gültigen technischen Vorschriften verwenden?
Wir bieten Ihnen Lösungen, damit Sie immer nur die gültigen (aktuellen) legislativen Vorschriften verwenden könnten.
Brauchen Sie mehr Informationen? Sehen Sie sich diese Seite an.
Letzte Aktualisierung: 2024-12-04 (Zahl der Positionen: 2 210 925)
© Copyright 2024 NORMSERVIS s.r.o.