Calcium alginate, a polysaccharide extracted from kelp-like Phaeophyceae; formed by α-L-Mannuronic acid (M section) and β-D-Guluronic acid (G section) connected through 1,4-glucosidic bond. It’s shown in amorphous or fibrous powder with white to light yellow color, odorless, tasteless and non-toxic.
Molecular formula:[(C6H7O6) 2 Ca] n
Properties:
1. Calcium alginate is a divalent alginate;
2. Insoluble in water and organic solvents, indissolvable in ethanol, but slowly soluble in alkaline solution or calcium salt solution.
Applications:
a) Used in food additives---as calcium agents;
b) Industrial welding materials;
c) Used in formulation of food;
d) Medical gauze and medicine dressings.
Main technical index:

Items	Index
Loss on drying	≤15.0%
PH	6～9
Ash	≤12～30%
Calcium oxide (on dried solids basis)	≤8～15%
Heavy Metal (as Pb )	≤40 mg/kg
Pb	≤4 mg/kg
As	≤2 mg/kg
Total Bacterial	≤5000 cfu/g

Executive Standard: Q/HZL003-2011
Package specification: 25Kg (Net weight) per bag, with compound package bag (a polyethylene bag as liner and a compound plastic woven bag as the outer layer)
Our advantages:
a) High quality reaching international advanced level;
b) Rich experience in counterpart field;
c) Complete and sound technical service.