... Sulfide 60%min Flake is our strong item ,and have passed through ISO9001:2008Quality Management System Certification.Molecule ... woven bag, lined with PE bag.Usage: Depilatory for hides and skins, manufacture of rubber ,sulphur dyes, rayon (denitrating), paperpulp, ... , metal refining, engraving, cotton ,printing, as chemical intermediates and laboratory reagent.if you are interest in our products , you ...