ASTM D is a cyclic salt fog combined with a UV exposure test sequence for painted metal samples offered by Micom Laboratories. 13 Aug This standard is issued under the fixed designation D ; the 1 This practice is under the jurisdiction of ASTM Committee D01 on Paint and. 25 Aug ASTM D_建筑/土木_工程科技_专业资料。Designation: D – 05 Standard Practice for Cyclic Salt Fog/UV Exposure of Painted.
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The acceleration factor also varies astm d5894 on the variability in rate of degradation in the laboratory test and in actual outdoor exposure.
Referenced Documents purchase separately The documents listed below are referenced within the subject standard atm are not provided as part of the standard. It is the responsibility of the user of this standard to establish appropriate safety astm d5894 health practices and determine the applicability of regulatory limitations prior astm d5894 use.
Different materials and astm d5894 formulations of the same material can have significantly different acceleration factors. These factors frequently have a synergistic effect on one another.
It does not specify specimen preparation nor evaluation of results. No other units of measurement are included in this standard.
Because of possible variability between the same type astm d5894 exposure devices, it is not recommended to d58994 the amount of degradation in materials exposed for the same duration at separate times, or in separate devices running the same test astm d5894.
Link to Active This link will always route to asgm current Active version of the standard. The relative durability of materials in actual outdoor service can be very different in different locations because of differences astm d5894 UV radiation, time of wetness, temperature, pollutants, and other factors.
Therefore, even if results from a specific artificial test condition are found to be useful for comparing the astm d5894 durability of materials exposed in a particular exterior environment, it cannot be assumed that they will be useful for determining relative durability for a different environment. Historical Astm d5894 s – view previous versions of standard. This practice is intended to provide a more realistic simulation of the interaction of these factors than is found in traditional astm d5894 with continuous exposure to a static set astm d5894 corrosive conditions.
Results obtained from exposures conducted according to this practice can be considered as representative of actual outdoor exposures only when the degree of rank correlation has been established for the specific materials being tested.