... 6922 Main composition: Trichloroisocyanuric acid (C3Cl3N3O3) white powder, granular, tablet are available, content is ≥90%. UN NO.: 2468 H. ... : TCCA powder, TCCA 8-30mesh granular, TCCA tabletUsage: (1) Swimming pool chemicals, industrial circulating water treatment, strong bleaching ... cotton,yarm,fiber,sheep wool shrink agent.TCCA 200g tablet is widely usedas disinfection in swimming pool chemical, ...