... Zinc sulfide white1, Physicochemical Properties: White powder, mixture of zinc sulfide and barium sulfate, relative density 4.136-4.39, ... also used to color rubber articles, varnished cambric, leather, paper and enamel, etc. 2, Processing Method: Barite Calcination Method3, ... than 5% standard sample 4, Packaging: 25KG each, plastic woven bag lined with polyethylene plastic bag. Gross Weight: 25. ...