ASTM D870 PDF
Find the most up-to-date version of ASTM D at Engineering Dpdf – Download as PDF File .pdf), Text File .txt) or read online. ASTM Standards: the coating and upon the temperature of the water. Any effects. failure in hours shall be recorded. ASTM D describes this test method for accelerated testing of coating adhesive bonds. Interior Adhesion. A 6″ conduit test.
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The reason axtm the cover is to help maintain water temperature and water level. Referenced Documents purchase separately The documents listed below are referenced within astm d subject standard but are not provided as part of the standard.
Such control specimens can provide warning of changes in test severity in a given apparatus, and can indicate variations in test severity between different apparatuses. Continuous overflow of the test tank is sometimes required to maintain consistent water quality. Significance and Use Immersion in water can cause astm d degradation of coatings.
In all cases only the current version of ast, standard as published by ASTM is to be considered the official document.
We have been instructed by our customer to start testing parts 2K paint over plastic for automotive for water immersion resistance. Continuous replacement of the water is permitted. If neededadd water to maintain original water level. Failure in a water immersion test may be caused by a number of factors including a deficiency in the coating itself, contamination xstm the substrate, or astm d surface preparation.
Although the apparatus and procedure could be employed in immersion tests using solutions of various materials astm d water, this astm d is limited s tests in water alone. Corrosion tests of a scribed coating on a ferrous substrate are impractical in water immersion tests as the corrosion products tend to contaminate the atm bath. D Standard Specification for Isophorone. Find the most up-to-date version of ASTM D at Engineering We have been adtm by our customer to start testing parts 2K paint over plastic for automotive for water immersion resistance.
Knowledge on how a coating resists water immersion is axtm in predicting its service life. It is also possible to use very large tanks for testing coated pipe or other large coated products. Continuous overflow of the test tank is sometimes required to maintain consistent water quality. The values given in parentheses are for information only.
ASTM D870 PDF
NOTE 2—The circulating system is for the purpose of exposing all the water in the tank to room air so the water does not become strati? Remove only as many specimens as can be rated within the speci?
Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or at phonefaxor service astm. A superscript epsilon e indicates an editorial change since asrm last revision or reapproval.
A coating system is considered to pass r870 there is no evidence of water-related failure after a specified period of wstm. There were no books found for the applied search filters.
A recovery period from 12 to 24 h is generally sufficient. You can now freely access all or documents. Evaluate specimens no less than 5 min and no more than 10 min after removal from test, as the effects from water exposure can change within a short time.
It is the responsibility of the user of this aastm to establish appropriate safety and health practices sstm determine the applicability of regulatory limitations prior to use.
Reagent water conforming to Type IV of Speci? It is also possible to use very large tanks for testing coated pipe or other large coated products. Alternative practices for testing the water resistance of coatings include Practices DDand D Aztm, barrier layer anodic coatings astm d for astm d Historical Version s — view previous versions of standard.
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 responsibility. The substrate composition and surface preparation, specimen preparation, and the number of specimens should be agreed upon prior to testing. Failure in a water immersion test may be caused by a number astm d factors including a deficiency in the coating itself, contamination of the substra Although the apparatus and procedure could be employed in immersion tests using solutions xstm various materials in e870, this practice astm d limited to tests in water alone.
The test is therefore useful for evaluating coatings alone or complete coating systems.
ASTM D – 15 Standard Practice for Testing Water Resistance of Coatings Using Water Immersion
These tests typically result in a pass or fail determination, but the degree of failure may also be measured. Note atm practices for testing the water resistance of coatings include Practices DDand D It does not asm specimen astm d, specific test conditions, or evaluation of results.
A coating system is considered to pass if there is no evidence of water-related failure after a specified period of time.