This standard specifies the quantitative analysis method for the determination of spandex in textiles using manual separation and dissolution methods. This standard is applicable to the content analysis of two-component and three-component textile fiber products containing spandex.
SN/T 0464-2003 history
2013SN/T 0464-2013 Textile for import and export.Method for quantitative analysis of fiber.Polyurethane fiber mixture textiles
1995SN/T 0464-1995 Method for determining the composition ratio of core-spun spandex yarn for import and export