For test to test repeatability, it is recommended that the d oven be used for all cured weight loss testing. Already Subscribed to this document. Norma ASTM D 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. Typically, the cured weight loss from a coating powder will consist of water and low molecular weight organic compounds or blocking agents, or both. Read more about subscriptions. If the document is revised or amended, you will be notified by email.
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This standard is also available to be included in Standards Subscriptions. Particle Astn and Distribution For test to test repeatability, it is recommended that the same oven be used for all cured weight loss testing. Subscription pricing is determined by: The following test method indicated has been found suitable for this purpose. Please first log in with a verified email before subscribing to alerts.
You may experience issues viewing this site in Internet Explorer 9, 10 or Accelerated Storage Stability The spectral power distribution of light from an enclosed carbon-arc is signi? The comparison of results are only valid for coating powders tested in the same laboratory at about the same time, not results between different laboratories. Add to Alert PDF. Accelerated Environmental Exposure Fluorescent UVA lamps with a peak emission at nm are recommended for testing materials exposed behind window glass.
These lamps emit signi? Current edition approved Feb. A powder coatings surface pro? This test is best suited for coating systems that will actually be soaked in water during service. Proceed to Checkout Continue Shopping. 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 physical stability of a thermoplastic coating powder can be predicted. Learn more about the cookies we use and how to change your settings. Read the temperature and report in degrees Celsius. These conditions, as well as the type of substrate, substrate preparation, etc. Already Subscribed to this document. Selection of the methods to be followed must be governed by experience and the requirements in each individual case, together with agreement between the purchaser and the seller.
Astmm a calibrating substance having the closest melting point to that of the powder on the heating bar. The spectrum of this device compared more favorably to sunlight than the enclosed carbon-arc. Please download Chrome or Firefox or view our browser tips. Where more than one test method is listed for the same characteristic, no attempt is made to indicate superiority of one method over another.
Users of this standard are expressly advised that determination of the validity of any such patent rights, and the risk of infringement of such rights, are entirely their own asttm. By design this guide does not purport to address test methods or procedures developed specifically for the functional powder coating market, those coating powders for application to pipe or reinforced steel bars rebar.
You may delete a document from your Alert Profile at any time. Already Subscribed to c document. We have no amendments or corrections for this standard. In either case, it is important that the viewing and measurement conditions under which the color is to be evaluated are agreed upon between the purchaser and seller. It would therefore be bene?
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