Sustained Release Pharmaceuticals Specialized Alginate Introduction: Sustained release pharmaceuticals are small particles. A few of them are fast release drug without covers and other parts are coated with cover of different thickness to work as sustained releasing part. Mix above particle with a certain ratio to make different pharma type.Advantage: Sustained release agent, also known as Controlled Realse material, include framework material, coated cover material and new sustained release carrier material. Sodium alginate a hydrophilic gel framework material, which performs excellent biocompatibility and low toxic. It is widely used as tissue engineering material and sustained release material.Package: 25kg plastic woven bags with PE liner inside