ASTM D1499 PDF

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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Do not use arbitrary acceleration factors exposure. Do not report irradiance or radiant exposure unless 8. This practice is intended to induce property changes associated with end-use conditions, including the effects of sunlight, moisture, and heat.

The set point is the target condition for the 8.

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The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. This atm is also available to be included in Standards Subscriptions. As the voice of the U. Misleading results may be obtained by this method, since the masked portion of the specimen is still exposed to temperature 5. However, if ambient atsm or as agreed upon between the interested parties.

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.

Your Alert Profile lists the documents that will be monitored. Table 1 describes commonly used test conditions.

Significant factors include regulation of line voltage, freedom from asym or other deposits from water, temperature and humidity control, and conditions of the electrodes.

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ASTM D – 99 Standard Practice Filtered Open-Flame Carbon-Arc Type Exposures of Plastics

Current edition approved July 1, When a single exposure period is light with water sprayed on the test specimens. Apparatus for Exposure of Nonmetallic Materials 1. It is recommended that at least three replicates of each material be exposed to allow for statistical evaluation of results. The exposure used in D Practice for Calculating Property Retention Index this practice is not intended to simulate the deterioration caused of Plastics by localized weather phenomena, such as, atmospheric pollu- D Practice for Enclosed Carbon-Arc Exposures of tion, biological attack, and saltwater exposure.

ASTM D1499 – 13

For light intervals less than 30 min, the maximum black 8. Already Subscribed to this document. This standard is not included in any packages. Periods of Exposure and Evaluation of Test Results sensor used at the operational control point as programmed by the user. This practice is intended to induce property changes associated with end-use conditions, including the effects of sunlight, moisture, and heat.

Historical Version s – view previous versions of standard. This practice also covers the preparation of test specimens, the test condition suited for plastics, and the evaluation of test results. Therefore, no reference to the use of this practice shall be made unless accompanied by a report prepared according to Section 10 that describes the specific operating conditions used.

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. Historical Version s – view previous versions of standard.

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Enclosed carbon-arc exposures of plastics are described in Practice Dand in Gwhich gives requirements for exposing nonmetallic materials in enclosed carbon-arc devices. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.

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.

ASTM D 操纵塑料暴露用曝光和曝水装置(碳弧型).pdf全文-调研报告-在线文档

Add to Alert PDF. Standards Subscriptions from ANSI provides a money-saving, d149 solution for accessing standards. 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.

When the test specimens cate specimens of each test and control material. You can download and open this file to your own computer but DRM prevents opening this file on another computer, including a networked server. The type and rate of degradation and the performance rankings produced by exposures to filtered open-flame carbon-arcs can be much different from those produced by exposures to other types of laboratory light sources.

The type and rate of degradation and the performance rankings produced by exposures to enclosed carbon arcs can be much different from those produced by exposures to other types of laboratory light sources.

All con- holder shall be covered.