each lot of iridited articles shall be subjected to acceptance tests for conformance with the following quality assurance provisions
the #8 and #14 iridite finishes shall be of an iridescent yellow color unless dyeing is required ,in which case the finished color shall match the applicable color chip,the film should be of such quality as to be evident in tis color ,luster ,and general appearance, no non-adherent or powdery film is acceptable, the film shall be continuous and free from breaks ,scratches and other damage,within the limits of best practice for high quality workmanship,these limits also shall apply to all other finish details ,small rack marks ,within the above limits, are acceptable