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Document ASTM G 155 REV A is offered by IHS as part of an online subscription. This subscription contains many documents on the same topic.
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ASTM G 155 REV A Document Information:
Title
Standard Practice for Operating Xenon Arc Light Apparatus for Exposure of Non-Metallic Materials
ASTM International
Publication Date:
Oct 1, 2005
Scope:
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.
NOTE 1 - Practice G 151 describes performance criteria for all
exposure devices that use laboratory
light sources. This practice replaces Practice G 26, which describes
very specific designs for
devices used for xenon-arc exposures. The apparatus described in
Practice G 26 is covered by this
practice.
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.
Specimen preparation and evaluation of the results are covered in ASTM
methods or specifications
for specific materials. General guidance is given in Practice G 151
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 D 5870.
The values stated in SI units are to be regarded as the standard.
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.
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.
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.
Keywords:
- accelerated
- accelerated weathering
- durability
- exposure
- laboratory weathering
- light
- lightfastness
- non-metallic materials
- temperature
- ultraviolet
- weathering
- xenon arc
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