Tag: ISO 9227

ISO 9227, Corrosion tests in artificial atmospheres – Salt spray tests, has just been revised.  The new 4th Edition is dated this month and is available from Document Center Inc.  You can get a copy in either paper format or for pdf download.  This revision replaces the previous 3rd Edition from 2012 (now obsolete).

Here at Document Center, we have been selling the ASTM B117 for salt spray testing for years.  When I first took over the company, I was surprised at how many people use this test.  But of course, our customers soon clued me in that electronics and other products developed for marine applications need to be reviewed for corrosion resistance.

The ISO 9227 International Standard for this corrosion test was first introduced in 1990.  This 4th Edition does contain technical updates.  Here is the information that the committee has provided on where the main changes are:

• There are new definitions in a number of areas, including reference material, reference specimen, test specimen and substitute specimen.
• It is now possible to check the test apparatus during the test operation itself.
• Clause 4 has been modified.
• Clause 7 has been summarized.

The ISO 9227 is a 26-page document.  It covers three corrosion tests — Neutral salt spray (NSS), Acetic acid salt spray (AASS) and Copper-accelerated acetic acid salt spray (CASS).  You can test material with or without corrosion protection.  The ASTM B117 is one of the 12 items in the bibliography.

You’ll need a copy of the new update if you use this publication.  Head to the Document Center Inc. webstore to pick up your copy.  It’s at www.document-center.com.  Here’s a direct link to the order page for the ISO 9227 for your convenience. This standard has been adopted as an EN standard, so the updated EN editions should be appearing soon.

Document Center also has a number of services to help you manage your compliance documentation collection.  To learn more, or to ask us a standards question, please give us a phone call (650-591-7600) or send us an email (info@document-center.com).  We have been working with standards since 1982.  Make us your Standards Experts!

ISO 9227:2012, “Corrosion tests in artificial atmospheres — Salt spray tests,” has just been released and is now available from Document Center Inc. in either paper or pdf format.   This International Standard specifies the apparatus, the reagents and the procedure to be used in conducting the neutral salt spray (NSS), acetic acid salt spray (AASS) and copper‑accelerated acetic acid salt spray (CASS) tests for assessment of the corrosion resistance of metallic materials, with or without permanent or temporary corrosion protection.

ISO 9227 also describes the method employed to evaluate the corrosivity of the test‑cabinet environment.  It does not specify the dimensions of test specimens, the exposure period to be used for a particular product, or the interpretation of results.  Such details are provided in the appropriate product specifications.

Salt spray tests are generally suitable as corrosion protection tests for rapid analysis for discontinuities, pores and damage in organic and inorganic coatings. In addition, for quality control purposes, comparison can be made between specimens coated with the same coating. As comparative tests, however, salt spray tests are only suitable if the coatings are sufficiently similar in nature.

This 25-page third edition is a minor revision of the second edition (ISO 9227:2006), which is now obsolete.  ISO 9227 also replaced the cancelled ISO 3768, “Metallic coatings — Neutral salt spray test (NSS test),” in December, 1990.

Order current or obsolete ISO standards on our website, www.document-center.com.  Or contact us by phone (650-591-7600), fax (650-591-7617), or email (info@document-center.com).  We have been a licensed dealer of ISO standards since the 1980’s.