ASTM G113-05

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

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-Aug-2005
• ICS: 01.040.77 - Metallurgy (Vocabularies)
• ICS: 77.040.99 - Other methods of testing of metals
• Technical Committee: G03 - Weathering and Durability
• Drafting Committee: G03.92 - Terminology

Relations

• Replaces: ASTM G113-03 - Standard Terminology Relating to Natural and Artificial Weathering Tests of Nonmetallic Materials
• Effective Date: 15-Aug-2005
• Replaced By: ASTM G113-06 - Standard Terminology Relating to Natural and Artificial Weathering Tests of Nonmetallic Materials
• Effective Date: 01-Dec-2006
• Referred By: ASTM C1850-17(2021) - Standard Guide for Improved Laboratory Accelerated Tests to Predict the Weathering and for Use in Developing Protocols to Predict the Design Life of Building Sealant Systems
• Effective Date: 15-Aug-2005
• Referred By: ASTM D7238-20 - Standard Test Method for Effect of Exposure of Unreinforced Polyolefin Geomembrane Using Fluorescent UV Condensation Apparatus
• Effective Date: 15-Aug-2005
• Referred By: ASTM G151-19 - Standard Practice for Exposing Nonmetallic Materials in Accelerated Test Devices that Use Laboratory Light Sources
• Effective Date: 15-Aug-2005
• Referred By: ASTM E824-10(2018)e1 - Standard Test Method for Transfer of Calibration From Reference to Field Radiometers
• Effective Date: 15-Aug-2005
• Referred By: ASTM D6943-15(2019) - Standard Practice for Immersion Testing of Industrial Protective Coatings and Linings
• Effective Date: 15-Aug-2005
• Referred By: ASTM C1382-16(2023) - Standard Test Method for Determining Tensile Adhesion Properties of Sealants When Used in Exterior Insulation and Finish Systems (EIFS) Joints
• Effective Date: 15-Aug-2005
• Referred By: ASTM D5031/D5031M-13(2018) - Standard Practice for Enclosed Carbon-Arc Exposure Tests of Paint and Related Coatings
• Effective Date: 15-Aug-2005
• Referred By: ASTM G214-23 - Standard Test Method for Integration of Digital Spectral Data for Weathering and Durability Applications
• Effective Date: 15-Aug-2005
• Referred By: ASTM G156-17 - Standard Practice for Selecting and Characterizing Weathering Reference Materials
• Effective Date: 15-Aug-2005
• Referred By: ASTM E2141-21 - Standard Test Method for Accelerated Aging of Electrochromic Devices in Sealed Insulating Glass Units
• Effective Date: 15-Aug-2005
• Referred By: ASTM G213-17(2023) - Standard Guide for Evaluating Uncertainty in Calibration and Field Measurements of Broadband Irradiance with Pyranometers and Pyrheliometers
• Effective Date: 15-Aug-2005
• Referred By: ASTM D4329-21 - Standard Practice for Fluorescent Ultraviolet (UV) Lamp Apparatus Exposure of Plastics
• Effective Date: 15-Aug-2005
• Referred By: ASTM C510-16(2022) - Standard Test Method for Staining and Color Change of Single- or Multicomponent Joint Sealants
• Effective Date: 15-Aug-2005

Standards Content (Sample)

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: G 113 – 05
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 (e) indicates an editorial change since the last revision or reapproval.
1. Scope 3. Significance and Use
1.1 Thisterminologystandardcoverstermsthatrelatetothe 3.1 This terminology is not intended to supersede the
durability testing of Nonmetallic Materials using natural and requirements of similar definitions in certain other documents,
artificial weathering exposure techniques. but is intended to provide a listing of terms that are in current
1.2 It is the intent of this terminology standard to include widespread usage, and their context in relation to weathering.
those weathering terms in wide use in ASTM for which
4. Terminology
standard definitions appear desirable.
4.1 Definitions:
2. Referenced Documents
accelerated outdoor weathering , n—outdoor weathering
2.1 ASTM Standards:
using the sun as the source of irradiance, and where the rate
D9 Terminology Relating to Wood
of deterioration is accelerated over that of the in-service
E41 Terminology Relating to Conditioning
exposure position increasing one or more of the influencing
E284 Terminology of Appearance
parameters.
E349 Definitions of Terms Relating to Space Simulation
acceleration factor, n—the ratio of exposure time required to
E456 Terminology Relating to Quality and Statistics
produce a specified amount of change in a material by one
E772 Terminology Relating to Solar Energy Conversion
exposure test divided by the exposure time required to
E973M Practice for the Determination of the Spectral
produce the same change by another exposure test.
Mismatch Parameter between a Photovoltaic Device and a
Photovoltaic Reference Cell [Metric] DISCUSSION—Acceleration factors must be used with great caution
because they vary between materials (including different formulations
G84 Practice for Measurement of Time-of-Wetness on
of the same material) and are strongly dependent on the exposure
SurfacesExposedtoWettingConditionsasinAtmospheric
conditionsandvariabilityofboththenaturalandlaboratoryaccelerated
Corrosion Testing
exposures.Accelerationfactorsmayalsovarydependingonthelevelof
G90 Practice for Performing Accelerated Outdoor Weath-
material property change used to determine the acceleration factor. Do
ering of Nonmetallic Materials Using Concentrated Natu-
not ratio irradiance in laboratory accelerated tests to irradiance in
ral Sunlight outdoorexposures,oruseequivalentradiantexposurestoestimatetime
2
to fail in outdoor exposures. These calculations ignore differences in
2.2 AATCC Method:
temperature and moisture between the accelerated test and exterior
16 Colorfastness to Light
exposures,andinthespectralpowerdistributionsofthelaboratorylight
3
2.3 ANSI Standards:
source and sunlight.
ANSI/NCSL Z540-2-1997 American National Standard for
Expressing Uncertainty—U.S. Guide to the Expression of actinic radiation, n—the spectral region(s) of a light source
Uncertainty in Measurement responsibleforthephotodegradationofaparticularmaterial.
ambient temperature, n—the existing temperature of the air
or of an object in thermal equilibrium with the surrounding
1
This terminology is under the jurisdiction of ASTM Committee G03 on
atmosphere.
Weathering and Durability and is the direct responsibility of Subcommittee G03.92
azimuth angle, n—an angle of a plane to the horizon mea-
on Terminology.
sured clockwise to the object.
Current edition approved August 15, 2005. Published September 2005. Origi-
nally approved in 1992. Last previous edition approved in 2003 as G113–03.
backed exposure, n—a technique of weathering in which the
2
Available from American Association of Textile Chemists and Colorists, P.O.
test specimens being exposed are mounted onto a solid
Box 12215, Research Triangle Park, NC 27709.
3
backing material, of sufficient strength to hold the specimen.
Available from National Conference of Standards Laboratories, 1800 30th St.,
Suite 305B, Boulder, CO 80301. When the specimen and the backing are in direct contact the
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
G113–05
backing material must be of a type that will not contaminate “sunlight”. It refers to the full spectrum of solar irradiance,
the specimen. When two materials are intimately joined thatis,ultravioletthroughinfrared,andincludesbothdiffuse
together to form one composite, the materials below the top sky and di
...