... 04%0.025%AppearanceReddish-yellow flake with odorQUALIFIED Usages&ApplicationsDyeing industry: for the production of sulfur dye, green vulcanization, ... and sodium bisulfide, ectStorage and Transportation should be stored in a cool, well-ventilated area; keep away from ... and work with many brother manufacturersTotal solution for chemicals in china,more products are upgradeISO9001 is approval with high ...