Textiles. Tests for colour fastness - Specification for polyamide adjacent fabric Ingestion-build-239834 c) multiple path interference (MPI)

c) multiple path interference (MPI) figure of merit

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Textiles. Tests for colour fastness - Specification for polyamide adjacent fabric Ingestion-build-239834 c) multiple path interference (MPI)1 Scope This part of ISO 105 specifies an undyed polyamide adjacent fabric which may be used for the assessment of staining in colour fastness tests. The staining properties of the polyamide adjacent fabric under test are assessed against a polyamide reference adjacent fabric, using a polyamide dyed reference fabric, both of which are available from a specified source.