We, SINOCHEM CORP is an organic member of the world top 500. Swimming Pool Water Treatment Chemicals are our strong items, especial CYA, SDIC,TCCA, BCDMH, Calcium Hypochlorite, DBDMH etc with all kinds of package. (We also supply many pool accessories. We have our own shipping forward to get competitive fright. And top quality, best price and super service will be assured. We guarantee that all your question will be replied within one working day. Sodium Dichloroisocyanurate(SDIC) both anhydrous and dihydrate Molecular Weight:219.88; Formula:C3N3O3CL2Na Characteristic:white crystsl powder or granular. Dosage form: White powder, granular, or flake Specification: Effective CL:56% min/60% min; PH value( 1% solution)5.5-7.0 ; Moisture:8.0% max/2.5% max; Water insoluble matter:0.2%max ; Granular:8-30 mesh,20-60 mesh(or decided by customer) Flake:1g/flake,10g/flake 15g/flake,20g/flake,15g/flake,50g/flake,200g/flake, (or decided by customer) Package: We can supply all kinds of supermarket packages and 50kg plastic drum,25kg plastic drum,25kg woven bag,25kg fibe drum,50kg fiber drum,500kg woven bag( or base on clent request)