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ISO 8130-11:1997 Coating powders - Part 11: Inclined-plane flow test
standard by International Organization for Standardization, 06/01/1997
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Full Description
This Part of ISO 8130 is one of a series of standards dealing with the sampling and testing of paints, varnishes and related products.
It specifies a method for determining the flow characteristics of a fused thermosetting coating powder down a plane inclined at a set angle to the horizontal.
The result of the test described in this Part of ISO 8130 gives an indication of the degree of melt flow that may occur during the curing of the coating powder. This characteristic contributes to the coherence of the coating, to its surface appearance and to the degree of coverage over sharp edges.
The test acts as a useful method for checking for batch to batch variation in the behaviour of a given coating powder. Correlation between the results fiom coating powders of differing composition is not to be expected.
This method is unlikely to yield meaningful results with coating powders which have gel times of less than one minute at the test temperature when characterised according to ISO 8130: Part 6.