sulphur black [Strength]:200% Certificate: SGS,CIQ,BV MOQ: 1X20FCL QTY: 20MT IN ONE 20FCL sulphur Black BRstandard of identity: hg/t3427-2001 C6H4N2O5 [ ... polyyinyl alcohol fibre and polyester, polyamide fibre, especially used for rolling dyeing. It is uniform and stable in colour, good ... dyeing without any frahile treatment. It is also used for dyeing on Ieather and original viscose fibre et[ Use ...