Standard Terminology Relating to Natural and Artificial Weathering Tests of Nonmetallic Materials

SIGNIFICANCE AND USE
This terminology is not intended to supersede the requirements of similar definitions in certain other documents, but is intended to provide a listing of terms that are in current widespread usage, and their context in relation to weathering.
SCOPE
1.1 This terminology standard covers terms that relate to the durability testing of Nonmetallic Materials using natural and artificial weathering exposure techniques.
1.2 It is the intent of this terminology standard to include those weathering terms in wide use in ASTM for which standard definitions appear desirable.

General Information

Status
Historical
Publication Date
14-Jun-2009
Drafting Committee
Current Stage
Ref Project

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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation:G113 −09
StandardTerminology
Relating to Natural and Artificial Weathering Tests of
1
Nonmetallic Materials
This standard is issued under the fixed designation G113; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
5
1. Scope 2.3 ANSI Standards:
ANSI/NCSL Z540-2-1997American National Standard for
1.1 Thisterminologystandardcoverstermsthatrelatetothe
Expressing Uncertainty—U.S. Guide to the Expression of
durability testing of Nonmetallic Materials using natural and
Uncertainty in Measurement
artificial weathering exposure techniques.
ISO 9370Plastics -- Instrumental Determination of Radiant
1.2 It is the intent of this terminology standard to include
Exposure in Weathering Tests -- General Guidance and
those weathering terms in wide use in ASTM for which
Basic Test Method
standard definitions appear desirable.
3. Significance and Use
2. Referenced Documents
3.1 This terminology is not intended to supersede the
2
2.1 ASTM Standards: requirements of similar definitions in certain other documents,
D9Terminology Relating to Wood and Wood-Based Prod-
but is intended to provide a listing of terms that are in current
ucts
widespread usage, and their context in relation to weathering.
D4023Terminology Relating to Humidity Measurements
3
(Withdrawn 2002) 4. Terminology
E41Terminology Relating To Conditioning
4.1 Definitions:
E772Terminology of Solar Energy Conversion
accelerated outdoor weathering, n—outdoor weathering us-
E973Test Method for Determination of the Spectral Mis-
ing the sun as the source of irradiance, and where the rate of
match Parameter Between a Photovoltaic Device and a
deterioration is accelerated over that of the in-service expo-
Photovoltaic Reference Cell
sure position increasing one or more of the influencing
G84Practice for Measurement of Time-of-Wetness on Sur-
parameters.
faces Exposed to Wetting Conditions as in Atmospheric
acceleration factor, n—the ratio of exposure time required to
Corrosion Testing
produce a specified amount of change in a material by one
G90Practice for Performing Accelerated Outdoor Weather-
exposure test divided by the exposure time required to
ing of Nonmetallic Materials Using Concentrated Natural
produce the same change by another exposure test.
Sunlight
DISCUSSION—Acceleration factors must be used with great caution
4
2.2 AATCC Method:
because they vary between materials (including different formulations
16Colorfastness to Light
of the same material) and are strongly dependent on the exposure
conditionsandvariabilityofboththenaturalandlaboratoryaccelerated
exposures.Accelerationfactorsmayalsovarydependingonthelevelof
material property change used to determine the acceleration factor. Do
1
This terminology is under the jurisdiction of ASTM Committee G03 on
not ratio irradiance in laboratory accelerated tests to irradiance in
Weathering and Durability and is the direct responsibility of Subcommittee G03.92
outdoorexposures,oruseequivalentradiantexposurestoestimatetime
on Terminology.
to fail in outdoor exposures. These calculations ignore differences in
Current edition approved June 15, 2009. Published August 2009. Originally
temperature and moisture between the accelerated test and exterior
approved in 1992. Last previous edition approved in 2008 as G113–08. DOI:
exposures,andinthespectralpowerdistributionsofthelaboratorylight
10.1520/G0113-09.
2
source and sunlight.
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
actinic radiation, n—the spectral region(s) of a light source
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website.
responsibleforthephotodegradationofaparticularmaterial.
3
The last approved version of this historical standard is referenced on
www.astm.org.
4
Available from American Association of Textile Chemists and Colorists
5
(AATCC), P.O. Box 12215, Research Triangle Park, NC 27709, http:// Available from National Conference of Standards Laboratories, 1800 30th St.,
www.aatcc.org. Suite 305B, Boulder, CO 80301.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
G113−09
ambient temperature, n—the existing temperature of the air The black panel thermometer is used to control an artificial
or of an object in thermal equilibrium with the surrounding weathering device and to provide an estimate of the maxi-
atmosphere. mum temperature of samples exposed to a radiant energy
source.
...

This document is not anASTM standard and is intended only to provide the user of anASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation:G113–08 Designation: G 113 – 09
Standard Terminology
Relating to Natural and Artificial Weathering Tests of
1
Nonmetallic Materials
This standard is issued under the fixed designation G113; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope
1.1 This terminology standard covers terms that relate to the durability testing of Nonmetallic Materials using natural and
artificial weathering exposure techniques.
1.2 It is the intent of this terminology standard to include those weathering terms in wide use in ASTM for which standard
definitions appear desirable.
2. Referenced Documents
2
2.1 ASTM Standards:
D9 Terminology Relating to Wood and Wood-Based Products
D4023 Terminology Relating to Humidity Measurements
E41 Terminology Relating To Conditioning
E772 Terminology Relating to Solar Energy Conversion
E973 Test Method for Determination of the Spectral Mismatch Parameter Between a Photovoltaic Device and a Photovoltaic
Reference Cell
G84 Practice for Measurement of Time-of-Wetness on Surfaces Exposed to Wetting Conditions as inAtmospheric Corrosion
Testing
G90 Practice for PerformingAccelerated Outdoor Weathering of Nonmetallic Materials Using Concentrated Natural Sunlight
3
2.2 AATCC Method:
16 Colorfastness to Light
4
2.3 ANSI Standards:
ANSI/NCSL Z540-2-1997 American National Standard for Expressing Uncertainty—U.S. Guide to the Expression of
Uncertainty in Measurement
ISO 9370 Plastics -- Instrumental Determination of Radiant Exposure in Weathering Tests -- General Guidance and Basic Test
Method
3. Significance and Use
3.1 This terminology is not intended to supersede the requirements of similar definitions in certain other documents, but is
intended to provide a listing of terms that are in current widespread usage, and their context in relation to weathering.
4. Terminology
4.1 Definitions:
accelerated outdoor weathering, n—outdoor weathering using the sun as the source of irradiance, and where the rate of
deterioration is accelerated over that of the in-service exposure position increasing one or more of the influencing parameters.
acceleration factor, n—theratioofexposuretimerequiredtoproduceaspecifiedamountofchangeinamaterialbyoneexposure
test divided by the exposure time required to produce the same change by another exposure test.
DISCUSSION—Accelerationfactorsmustbeusedwithgreatcautionbecausetheyvarybetweenmaterials(includingdifferentformulationsofthesame
1
This terminology is under the jurisdiction of ASTM Committee G03 on Weathering and Durability and is the direct responsibility of Subcommittee G03.92 on
Terminology.
´1
Current edition approved Aug. 1, 2008. Published October 2008. Originally approved in 1992. Last previous edition approved in 2006 as G113–06 .
Current edition approved June 15, 2009. Published August 2009. Originally approved in 1992. Last previous edition approved in 2008 as G113–08.
2
ForreferencedASTMstandards,visittheASTMwebsite,www.astm.org,orcontactASTMCustomerServiceatservice@astm.org.For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
3
Available from American Association of Textile Chemists and Colorists (AATCC), P.O. Box 12215, Research Triangle Park, NC 27709, http://www.aatcc.org.
4
Available from National Conference of Standards Laboratories, 1800 30th St., Suite 305B, Boulder, CO 80301.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
G113–09
material) and are strongly dependent on the exposure conditions and variability of both the natural and laboratory accelerated exposures.Acceleration
factorsmayalsovarydependingonthelevelofmaterialpropertychangeusedtodeterminetheaccelerationfactor.Donotratioirradianceinlaboratory
acceleratedteststoirradianceinoutdoorexposures,oruseequivalentradiantexposurestoestimatetimetofailinoutdoorexposures.Thesecalculations
ignore differences in temperature and moisture between the accelerated test and exterior exposures, and in the spectral power distributions of the
laboratory light source and sunlight.
actinic radiation, n—the spectral region(s) of a light source responsible for the photodegradation of a particular material.
ambient temperature, n—the exist
...

This document is not anASTM standard and is intended only to provide the user of anASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation:G113–08 Designation: G 113 – 09
Standard Terminology
Relating to Natural and Artificial Weathering Tests of
1
Nonmetallic Materials
This standard is issued under the fixed designation G113; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope
1.1 This terminology standard covers terms that relate to the durability testing of Nonmetallic Materials using natural and
artificial weathering exposure techniques.
1.2 It is the intent of this terminology standard to include those weathering terms in wide use in ASTM for which standard
definitions appear desirable.
2. Referenced Documents
2
2.1 ASTM Standards:
D9 Terminology Relating to Wood and Wood-Based Products
D4023 Terminology Relating to Humidity Measurements
E41 Terminology Relating To Conditioning
E772 Terminology Relating to Solar Energy Conversion
E973 Test Method for Determination of the Spectral Mismatch Parameter Between a Photovoltaic Device and a Photovoltaic
Reference Cell
G84 Practice for Measurement of Time-of-Wetness on Surfaces Exposed to Wetting Conditions as inAtmospheric Corrosion
Testing
G90 Practice for PerformingAccelerated Outdoor Weathering of Nonmetallic Materials Using Concentrated Natural Sunlight
3
2.2 AATCC Method:
16 Colorfastness to Light
4
2.3 ANSI Standards:
ANSI/NCSL Z540-2-1997 American National Standard for Expressing Uncertainty—U.S. Guide to the Expression of
Uncertainty in Measurement
ISO 9370 Plastics -- Instrumental Determination of Radiant Exposure in Weathering Tests -- General Guidance and Basic Test
Method
3. Significance and Use
3.1 This terminology is not intended to supersede the requirements of similar definitions in certain other documents, but is
intended to provide a listing of terms that are in current widespread usage, and their context in relation to weathering.
4. Terminology
4.1 Definitions:
accelerated outdoor weathering, n—outdoor weathering using the sun as the source of irradiance, and where the rate of
deterioration is accelerated over that of the in-service exposure position increasing one or more of the influencing parameters.
acceleration factor, n—theratioofexposuretimerequiredtoproduceaspecifiedamountofchangeinamaterialbyoneexposure
test divided by the exposure time required to produce the same change by another exposure test.
DISCUSSION—Accelerationfactorsmustbeusedwithgreatcautionbecausetheyvarybetweenmaterials(includingdifferentformulationsofthesame
1
This terminology is under the jurisdiction of ASTM Committee G03 on Weathering and Durability and is the direct responsibility of Subcommittee G03.92 on
Terminology.
´1
Current edition approved Aug. 1, 2008. Published October 2008. Originally approved in 1992. Last previous edition approved in 2006 as G113–06 .
Current edition approved June 15, 2009. Published August 2009. Originally approved in 1992. Last previous edition approved in 2008 as G113–08.
2
ForreferencedASTMstandards,visittheASTMwebsite,www.astm.org,orcontactASTMCustomerServiceatservice@astm.org.For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
3
Available from American Association of Textile Chemists and Colorists (AATCC), P.O. Box 12215, Research Triangle Park, NC 27709, http://www.aatcc.org.
4
Available from National Conference of Standards Laboratories, 1800 30th St., Suite 305B, Boulder, CO 80301.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
G113–09
material) and are strongly dependent on the exposure conditions and variability of both the natural and laboratory accelerated exposures.Acceleration
factorsmayalsovarydependingonthelevelofmaterialpropertychangeusedtodeterminetheaccelerationfactor.Donotratioirradianceinlaboratory
acceleratedteststoirradianceinoutdoorexposures,oruseequivalentradiantexposurestoestimatetimetofailinoutdoorexposures.Thesecalculations
ignore differences in temperature and moisture between the accelerated test and exterior exposures, and in the spectral power distributions of the
laboratory light source and sunlight.
actinic radiation, n—the spectral region(s) of a light source responsible for the photodegradation of a particular material.
ambient temperature, n—the exist
...

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