Sodium alginate is a kind of electrolyte of organic macromolecule among algae of brown algae types, such as kelp, as principal components of cell membrane with other substances.

Specification
Name: Sodium alginate
Grade specification: Textile grade, industrial grade, food industrial and printing paste
Viscosity: Low, medium and high
Coarseness: Fine
Moisture%: Less than 15%
pH: 6.5~7.5(industrial grade and textile grade) 6.0~8.0(food grade)
ASH content%: 20.0-24.0(industrial grade) 30-37(food grade)
Insoluble matter in water%: Less than 0.6%(industrial grade) less than 3%(food grade)
In food industry
Stability: Ice cream, cream and cheese etc.
Thickening: Salads, pudding, jam, tomato juice, canned products, etc.
Hydration: Noodle, vermicelli, bread, confectionery, cool and frozen products.
Gelating: Frozen foods imitated foods and various gel foods, protective cover for fruits, meat, poultry and aquatic products, sugar coating, stuffing etc.
Film-formation: Various cosmetics
Products are grouped as low, medium, high and extra high four categories according to viscosity, and granular, 60-80mesh, 120-200mesh as per particle size. Adopted standard: Food Additive Sodium Alginate GB1976