SIST EN 3212:2001
(Main)Aerospace series - Paints and varnishes - Corrosion test by alternate immersion in a buffered sodium chloride solution
- Abstract
This standard specifies methods for corrosion test on paints and varnishes by alternate immersion in a buffered sodium chloride solution.
- Status
- Published
- Publication Date
- 31-May-2001
- Technical Committee
- SS SPL - Technical Board for the general field
- Current Stage
- 6060 - National Implementation/Publication (Adopted Project)
- Start Date
- 01-Jun-2001
- Due Date
- 01-Jun-2001
- Completion Date
- 01-Jun-2001
SIST EN 3212:2001 is a Slovenian standard published by SIST for the aerospace series. It specifies a corrosion test for paints and varnishes based on alternate immersion in a buffered sodium chloride solution. In practice, it is used when a coating needs to be checked under a repeatable salt-exposure method for aerospace applications.
What does SIST EN 3212:2001 specify?
SIST EN 3212:2001 specifies a corrosion test method for paints and varnishes using alternate immersion in a buffered sodium chloride solution. The scope is narrow and practical: it is a laboratory method for assessing how coated specimens behave under cyclic salt exposure.
The standard sits in the aerospace series and is intended for coatings and related processes used in the aerospace industry. That matters because aerospace users need a common exposure method when comparing coating performance, qualifying a product, or checking whether a supplied finish matches a purchase or test specification.
What are the key requirements of SIST EN 3212:2001?
SIST EN 3212:2001 is built around one test principle: repeated immersion and exposure in a buffered sodium chloride solution. The important point for users is that the corrosion assessment comes from a defined cyclic salt environment, not from a single soak or a purely visual shop-floor check.
The main practical points are:
- Alternate immersion - the test uses repeated immersion cycles rather than continuous immersion. This matters because cyclic wetting and drying can reveal corrosion behaviour differently from steady exposure.
- Buffered sodium chloride solution - the salt solution is buffered, so the exposure medium is controlled. In practice, this helps make results more stable and more comparable between laboratories.
- Corrosion test for coatings - the method is for paints and varnishes, not for structural metals on their own. Users apply it to coated specimens to judge the coating system.
- Aerospace focus - the standard belongs to the aerospace series. That makes it relevant when coating performance has to be documented for aerospace supply chains.
- Comparability of results - because the test method is specified, different parties can use the same exposure approach. This is important for supplier approval, incoming inspection, development testing, and dispute resolution.
- Laboratory use - the standard is a test method standard, so it supports controlled evaluation rather than field inspection. Users need a test setup and a way to record the corrosion response of the coated specimen.
For engineers and quality teams, the practical takeaway is simple: use this standard when you need a repeatable salt-cycling corrosion test for aerospace paints and varnishes.
What terms does SIST EN 3212:2001 use?
- Alternate immersion - a test exposure pattern in which the specimen is repeatedly immersed and then exposed again, creating cyclic wetting conditions.
- Buffered sodium chloride solution - a salt solution whose condition is stabilized by buffering so the exposure environment stays controlled during testing.
- Corrosion test - a laboratory method used to observe corrosion behaviour under defined exposure conditions.
- Paints and varnishes - coating materials applied to a surface to provide protection, appearance, or both.
These terms matter because they tell the reader what kind of test is being run and what material is being evaluated.
Who uses SIST EN 3212:2001?
SIST EN 3212:2001 is used by aerospace coating laboratories, paint and varnish suppliers, quality assurance teams, and buyers who specify coating performance for aerospace parts and assemblies. It is also relevant to manufacturers and test houses that need a standard salt-corrosion method for coated specimens.
In practice, users rely on it for product qualification, batch comparison, supplier acceptance, and technical dispute testing. Anyone responsible for documenting coating corrosion resistance in an aerospace context may need this standard.
What changed in SIST EN 3212:2001 from the previous edition?
SIST EN 3212:2001 is identified as identical to EN 3212:1995. The page presents it as the Slovenian standard corresponding to that European text.
What does the SIST EN 3212:2001 document contain?
SIST EN 3212:2001 is a focused test-method standard centered on one corrosion exposure procedure for coated specimens. Its content is aimed at laboratory evaluation of paints and varnishes under alternate immersion in buffered sodium chloride solution.
For users, that means the document is a procedural reference for running and repeating the test, then using the results to compare coating performance. It is the kind of standard that belongs in test plans, qualification files, and supplier specifications when the required method is this specific aerospace corrosion test.
Relations
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
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Frequently Asked Questions
SIST EN 3212:2001 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "Aerospace series - Paints and varnishes - Corrosion test by alternate immersion in a buffered sodium chloride solution". This standard covers: This standard specifies methods for corrosion test on paints and varnishes by alternate immersion in a buffered sodium chloride solution.
This standard specifies methods for corrosion test on paints and varnishes by alternate immersion in a buffered sodium chloride solution.
SIST EN 3212:2001 is classified under the following ICS (International Classification for Standards) categories: 49.040 - Coatings and related processes used in aerospace industry. The ICS classification helps identify the subject area and facilitates finding related standards.
SIST EN 3212:2001 has the following relationships with other standards: It is inter standard links to SIST EN 4688:2012, SIST EN 2436-006:2009, SIST EN 4689:2012, SIST EN 2435-005:2009. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
SIST EN 3212:2001 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Aerospace series - Paints and varnishes - Corrosion test by alternate immersion in a buffered sodium chloride solutionLuft- und Raumfahrt - Anstrichstoffe - Bestimmung der Korrosionsbeständigkeit durch Wechseltauchversuch in einer gepufferten NatriumchloridlösungSérie aérospatiale - Peintures et vernis - Essais de corrosion par immersions-émersions alternées dans une solution tamponnée de chlorure de sodiumAerospace series - Pa
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