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ASTM-C1442:2003 Edition

ASTM-C1442:2003 Edition

$40.63

C1442-03 Standard Practice for Conducting Tests on Sealants Using Artificial Weathering Apparatus

Published By Publication Date Number of Pages
ASTM 2003 5
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1.1 This practice covers three types of laboratory weathering exposure procedures for evaluating the effect of actinic radiation, heat, and moisture on sealants.

1.2 The exposure sources used in the three types of artificial weathering devices are the filtered xenon arc, fluorescent ultraviolet lamps, and open flame carbon arc based on Practices G 155, G 154, and G 152, respectively.

1.3 The values stated in SI units are to be regarded as the standard. The values given in parentheses are provided for information only.

1.4 The ISO standard related to this Practice is ISO 11431. Significant differences exist between the procedures. The ISO specimens are exposed through glass and are elongated prior to examination for loss of adhesion or cohesion, or both, following exposure.

1.5 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
Terminology
Summary of Practice
Significance and Use
2 Test Specimen
Apparatus
3 Conditioning
Procedure
Report
Precision and Bias
Keywords
4 A1. Xenon Arc Radiant Exposure Versus Time
A1.1 Xenon Arc Irradiance Setting
A1.2 Times for Equivalent Radiant Exposures at Different Xenon Arc Irradiance Levels
X1. IRRADIANCE SPECIFICATION FOR XENON ARC EXPOSURE
X1.1 Justification for the Xenon Arc Recommended Irradiance Setting of 0.51 W/(m2 · nm) at 340 nm
X2. EFFECT OF EXPOSURE AT DIFFERENT IRRADIANCE LEVELS
X2.1
5 References

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