BS EN ISO 4543:1995 Metallic and other non-organic coatings. General rules for corrosion tests applicable for storage conditions
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Corrosion testing under storage conditions is carried out in order to :
a) assess the corrosion resistance of different protectivecoatings to environments encountered underparticular storage conditions;
b) compare the corrosion resistance of two or more pro- tective coatings;
c) determine the type and optimum thickness of a protective coating and type of protective wrapping:
d) evaluate the relations between the results of testingunder laboratory and storage conditions.
It involves exposure of coated test specimens to the action of corrosive factors encountered in storage and periodic observation of the test specimens.
The aggressiveness of corrosion in storage rooms depends upon the humidity and temperature of the atmosphere and upon the action of other environmental factors which may either be constant or may vary periodically or accidentally in a particular microclimate.
Scope and field of application
This International Standard gives guidance on methods of corrosion testing of protective metallic, conversion and other non organic coatings, with or without additive protection, in heated and unheated storage rooms in all microclimates with or without control of climatic parameters.
Specimens and articles may be tested separately or in bulk, and with or without protective wrappings.
