... (SO42-)0.5%max Size 8-30mesh, 90%through Usage:For manufacture of chlorinated isocyanates. Its mainly used in synthesizing new type ... -retardant agent and cosmetics additive. Package: in 25kg, 1000kg bag for powder.In 25kg plastic bag or 50kg PE drums ... for granular Tablets:15g, 25g, 50g, 100g,150g,200g,250g, 330g. ...