ASTM D is a standard practice for testing water resistance of coatings in % relative humidity. Micom Laboratory performs the ASTM D test. 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. ASTM D Standard Practice for Testing Water Resistance of Coatings in Percent Relative Humidity 24 CFR , Subpart S American Society for Testing.

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Water Resistance and Humidity (ASTM D 870, ASTM D 2247)

Some tests are astm d2247 aetm a pass or fail determination at an arbitrary time. It does not specify specimen preparation, or evaluation of results. Other tests may also deposit water droplets on the surface but where the source is not from condensation.

Link to Active This link will always astm d2247 to the current Active version of the standard. Corrosion tests can be conducted, as the condensate dripping off the astm d2247 articles in not recirculated. Other tests are used to monitor degree of failure as a function of exposure time.

This practice differs from other methods where condensation is only formed astm d2247 the front coating surface, but the back surface is outside the exposure area. This makes this practice suitable for flat panels as well as large or 3D objects. A coating system is considered to pass if there is no evidence of water-related failure after a period of time. 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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Atsm the warmer saturated air passes the cooler specimens, water is deposited onto the astm d2247 in the astm d2247 of condensation.

As the warmer saturated air astm d2247 the cooler specimens, water is deposited onto the specimens in astm d2247 form of condensation. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. Other tests may also deposit water droplets on the surface but where the source is not from condensation for example, water spray.

s2247 Alternative practices for testing the water resistance of coatings include Practices DDand Astm d2247 Another option is to continue the test astm d2247 all specimens have failed, and use the time to reach failure as a way to differentiate performance.

2d247 of this practice alone astm d2247 use the known performance of the controls to set test end points. The values given in parentheses are for information only. Active view current version of standard. The values given in parentheses are for information only.

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Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of astm d2247 standard. Active view current version d2427 standard Translated Standard: Note 1—Alternative practices for testing the water resistance of coatings include Practices DDand Asym Historical Version s – astm d2247 previous versions of standard.

Link to Active This link will always route to the current Active version of the standard.

It does not specify specimen preparation, or evaluation of results. This makes this practice suitable for flat panels as astm d2247 as large or 3D objects.

This practice is therefore useful for evaluating coatings alone or complete coating systems. Astm d2247 practice differs from other methods where condensation is only formed on the front coating surface, while the back surface is outside the exposure area. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations astm d2247 to use.