Colour drop test according to DIN EN ISO 2143
The colour drop test assesses the quality of your anodised coating based on its ability to take on colour following acid treatment, and provides a standard-compliant parameter for approval.
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Colour drop test
DIN EN ISO 2143
This test forms part of the following manufacturer and specification standards:
Other
Qualanod
The dye drop test is used to determine the quality of the densification of anodised coatings. The anodised layer is first subjected to an acid treatment and then stained with a dye. The degree of (irreversible) dye uptake is assessed using a characteristic value and is used to classify the compaction quality of the anodised pores.
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