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See Chinese contents: GB/T 2910.26-2017 GB/T 2910.26-2017: Textiles -- Qualitative chemical analysis -- Part 26: Mixtures of melamine and cotton or aramide fibers (method using hot formic acid)
This Part of GB/T 2910 specifies the method for determining the content of melamine fiber in a bi-component mixture of melamine fiber and cotton or aramid, after removal of non-fibrous matter, by the hot formic acid method. This Part applies to the mixture of melamine fiber and cotton or aramid. Note: Appendix A gives the qualitative identification method of melamine fiber. Appendix B gives the quantitative chemical analysis method of the bi-component mixture of melamine fiber and polyester fiber, polyamide fiber or spandex.
