Sodium alginate Sodium alginate is a polymer carbohydrates extracted from seaweeds. With its features of high content of mannuronic, acid, it is good as printing thickner in textile industry and good as thickening film and gelforming additives in food and soft drinking industry. Quality standard pale yellowish powder, 100% pass through 30 mesh. Moisture:15%max. Ph value:6-8(in 1% solution) Calcium content:0.% max. Grade the following grades differed by diffderent viscosity: Extra low viscosity:10-50 cps 50-100 cps Medium low viscosity:200 +50 cps 300 +50cps Medium viscosity: 400 +50 cps High viscosity:500 +50 cps 600-800 cps Extra high viscosity:1000í+100 cps Viscosity tested basis on 1% solution (natrual basis) at 20ípc by brookfield viscometer rvt. 25kg or 50kg bags