Methodology of Laundering Quality Tests for Textile Materials The methodology of laundering quality tests was developed to determine changes of quality of textile materials after domestic laundering. Different kind of tests and their general valuation system are included in the methodology. The process of test realization, its parameters and valuation principles are described. Following parts describing the concrete process are included in the methodology: the description of laundering process, the general evaluation principles of the results, stain removal test, shrinkage, and absolute resistance tests, colour fade tests.