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ASTM-G151:2009 Edition

ASTM-G151:2009 Edition

$44.96

G151-09 Standard Practice for Exposing Nonmetallic Materials in Accelerated Test Devices that Use Laboratory Light Sources

Published By Publication Date Number of Pages
ASTM 2009 15
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1.1 This practice provides general procedures to be used when exposing nonmetallic materials in accelerated test devices that use laboratory light sources. Detailed information regarding procedures to be used for specific devices are found in standards describing the particular device being used. For example, detailed information covering exposures in devices that use open flame carbon arc, enclosed carbon arc, xenon arc and fluorescent UV light source are found in Practices G 152 , G 153 , and G 154 , and G 155 respectively.

Note 1Carbon-arc, xenon arc, and fluorescent UV exposures were also described in Practices 23 , G 26 , and G 53 which referred to very specific equipment designs. Practices G 152 , G 153 , and G 154 , and G 155 are performance based standards that replace Practices G 23 , G 26 , and G 53.

1.2 This practice also describes general performance requirements for devices used for exposing nonmetallic materials to laboratory light sources. This information is intended primarily for producers of laboratory accelerated exposure devices.

1.3 This practice provides information on the use and interpretation of data from accelerated exposure tests. Specific information about methods for determining the property of a nonmetallic material before and after exposure are found in standards describing the method used to measure each property. Information regarding the reporting of results from exposure testing of plastic materials is described in Practice D 5870.

Note 2Guide G 141 provides information for addressing variability in exposure testing of nonmetallic materials. Guide G 169 provides information for application of statistics to exposure test results

Note 3This standard is technically equivalent to ISO 4892, Part 1.

1.4 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.

PDF Catalog

PDF Pages PDF Title
1 Scope
Referenced Documents
2 Terminology
Significance and Use
3 Requirements for Laboratory Exposure Devices
5 Test Specimens
6 General Procedure
Periods of Exposure and Evaluation of Test Results
7 Test Report
8 Precision and Bias
Keywords
A1. PROCEDURES FOR MEASURING IRRADIANCE UNIFORMITY IN SPECIMEN EXPOSURE AREA
A1.1
A1.2
A1.3
FIG. A1.1
9 A1.4
FIG. A1.2
10 A2. REQUIREMENTS FOR UNINSULATED AND INSULATED BLACK PANEL THERMOMETERS
A2.1
A2.2
FIG. A1.3
11 A3. OPERATIONAL FLUCTUATIONS DURING NORMAL OPERATING CONDITIONS
A3.1
A3.2
A3.3
A3.4
A3.5
A3.6
A3.7
X1. FACTORS THAT DECREASE DEGREE OF CORRELATION BETWEEN ACCELERATED TESTS USING LABORATORY LIGHT SOURCES AND ACTUAL USE EXPOSURES
X1.1
TABLE A3.1
12 X1.2
X1.3
X1.4
X1.5
X1.6
X1.7
X1.8
13 X2. SUGGESTED PROCEDURES FOR REDUCING VARIABILITY BY PERIODIC RANDOM POSITIONING OR SYSTEMATIC REPOSITIONING OF SPECIMENS
X2.1 Random Positioning of Replicate Specimens
X2.2 Specimen Repositioning During Exposure
X2.3 Repositioning Frequency
FIG. X2.1
14 X3.1
X3.2
X3.3
FIG. X2.2
TABLE X2.1
TABLE X3.1
15 REFERENCES
TABLE X3.2

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