ASTM G151 PDF

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 , G , and G , and G respectively. Note 1—Carbon-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. This information is intended primarily for producers of laboratory accelerated exposure devices.

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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 , G , G , and G respectively.

This information is intended primarily for producers of laboratory accelerated exposure devices. 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 Guide G provides information for application of statistics to exposure test results. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. Our policy towards the use of cookies Techstreet, a Clarivate Analytics brand, uses cookies to improve your online experience.

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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 , G , G , and G respectively. This information is intended primarily for producers of laboratory accelerated exposure devices. 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

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Active view current version of standard. Other Historical Standards. More G Detailed information regarding procedures to be used for specific devices are found in standards describing the particular device being used.

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Historical Version s - view previous versions of standard. More G In addition, it is essential to consider the effects of variability in both the accelerated test and outdoor exposures when setting up exposure experiments and when interpreting the results from accelerated exposure tests. Results obtained from these laboratory accelerated exposures can be considered as representative of actual use exposures only when the degree of rank correlation has been established for the specific materials being tested and when the type of degradation is the same. The relative durability of materials in actual use conditions can be very different in different locations because of differences in UV radiation, time of wetness, relative humidity, temperature, pollutants, and other factors. Therefore, even if results from a specific exposure test conducted according to this practice are found to be useful for comparing the relative durability of materials exposed in a particular exterior environment, it cannot be assumed that they will be useful for determining relative durability of the same materials for a different environment. These acceleration factors are not valid for several reasons.

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