... 1)ISO90001, oeko-Tex standard 100, SGS 2)AA grade 3)white color 4)20D-1120D spandex covered yarnWe can ... produce spandex yarn at AA grade with ISO90001, oeko-Tex standard 100, SGS certificates.Spandex ... elastic, long stretch, low specific gravity2, high elastic recovery, high elastic modulus, high strength 3, high temperature resistant4, ISO 90001,oeko-Tex standard ...