The ability of a paint or coating to resist deterioration of its physical and optical properties caused by exposure to light, heat, and water can be very significant. Find the most up-to-date version of ASTM D at Engineering Purchase your copy of ASTM D – 13 as a PDF download or hard copy directly from the official BSI Shop. All BSI British Standards available.
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This practice also covers the preparation of test specimens, the test conditions suited for coatings, and the evaluation of test results. 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.
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This practice is intended to induce property D Practice for Interlaboratory Testing of Paint and changes associated with end-use conditions, including the Related Materials effects of sunlight, moisture, and heat. If light and dark periods are employed, conducted in accordance with this practice has not been report the relative humidity set point for each period.
Additional information on sources of variability and on strategies for addressing variability in the design, execution, and data analysis of laboratory accelerated exposure tests is found in Guide G If the document is revised or amended, you will be notified by email. This practice is intended to induce property changes associated with end-use conditions, including the effects of sunlight, moisture, and heat.
Apparatus and humidity cycles that in many cases will affect results. When necessary, to provide 7. Continuous light with equilibrium uninsulated black 8. NOTE 2—Additional information on sources of variability and on strategies for addressing variability in the design, execution, and data 1 This practice is under the jurisdiction of ASTM Committee D20 on Plastics and analysis of laboratory-accelerated exposure tests is found in Guide G This standard is also available to be included in Standards Subscriptions.
Enclosed carbon-arc exposures of plastics are described in Practice D, and in G, which gives requirements for exposing nonmetallic materials in enclosed carbon-arc devices.
Note 2 — Additional information on sources of variability and on strategies for addressing variability in the design, execution, and data analysis of laboratory-accelerated exposure tests is found in Guide G Standards Subscriptions from ANSI provides a money-saving, multi-user solution for accessing standards.
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When the test specimens cate specimens of each test and control material. It is recommended that at least three replicates of each material be exposed to allow for statistical evaluation of results. Therefore, no reference to the use of this practice shall be made unless accompanied by a report prepared in accordance with Section 9 that describes the specific operating conditions used.
On some described by Simms. The values in parentheses are given for information only.
Conduct these lengths in which the measurements were made. The exposure used in this practice is not intended to simulate the deterioration caused by localized weather phenomena such as atmospheric pollution, biological attack, and saltwater exposure.
It is recommended Instrumental measurements are recommended whenever possible.
It is the responsibility of d1499 user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
When this type of test is required, omit the period the disagreement before continuing.
ASTM D – Standard Practice for Filtered Open-Flame Carbon-Arc Exposures of Plastics
If light and dark measurement process. Table 1 describes commonly used test conditions. We have no amendments or corrections for this standard. Significant factors include regulation of line voltage, freedom from salt or other deposits from water, temperature and humidity control, and conditions of the electrodes.
Therefore, when a astk calls 8. This practice is intended to induce property changes associated with end-use conditions, including the effects of sunlight, moisture, and heat.
ASTM D1499 – 13
Additional intervals and methods of wetting, by spray, condensation, or immersion, or a combination of these, may be substituted upon 4 Fischer, R. When a single exposure period is light with water sprayed on the test specimens.
This astmm surface must not be cerned parties must agree on the control material used.
The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Enclosed carbon-arc exposures of plastics are described in Practice Dand in Gwhich gives requirements for exposing nonmetallic materials in enclosed carbon-arc devices.
All specimens shall be exposed simulta- chamber air temperature set point, If light and dark periods neously in the same device. Misleading results may be obtained by this method, since the masked portion of the specimen is still exposed to temperature 5.
Standards Subsctiption may be the perfect solution. Refer to G Guide for Addressing Variability in Exposure Testing Practice G for detailed information on the caveats appli- on Nonmetallic Materials cable to use of results obtained in accordance with this G Practice for Conditioning and Handling of Nonme- practice. The set point is the target condition for the 8.