.URL: . Sodium Alginate is derived from seaweed and is the most desirable thickener for Procion MX dye. It is used to thicken dye for screen printing, painting, or to control spreading. We have two kinds: High viscosity, low solids for cotton, and Low viscosity, high solids for silk. The silk one allows you to draw finer lines but requires you to use more. You can use them interchangeably. Specify which one you prefer. Sodium Alginate:In Printing and Textile Industry Industry Grade (Department of Agriculture SC/T3401-1985) 1.Viscosity: 50-1200CPS 2.Grain size:30-60mesh 100% pass or as per contract stipulateed 3.Moisture %: 15 max 4.PH : 6.0-7.5 5.Ca content %: 0.3 max 6.ASH Content % : 20.0-24.0 7.Transparency cm: 3 min. Packing : In 25kg woven bag lined with plastic bag You are welcome to contact me for more information.