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Sodium Alginate - China

price: contact company for price

Sodium Alginate

Molecular formula: C5H7O4COONa

CAS No.: 9005-38-3

Qingdao Rongde Seaweed Co., Ltd. is a high-

tech seaweed processing enterprises and

alginate manufacturer in China. The alginic

acid, alginic salt, alginic ester are mainly

applied in food, pharmaceutical, personal

maintains industries. Production is strictly

according to ISO9001, ISO14004, HACCP

systems. Alginate is a kind of natural

polysaccharide consisted in brown seaweed, as

a natural product generated from alginic acid

indwell in seaweed and minerals indwell in

sea. The main alginate series include sodium

alginate, potassium alginate, calcium

alginate, ammoinum alginate, etc.

Main applications

In printing and textile industry

Printing paste: Sodium Alginate is an ideal

printing paste. It is yellowish powder. It

contains positive charge, which has mutual

repulsion with electro positivity contained

in reactive dyestuffs, yet it won't be

covalent bonding with reactive dyestuff, and

that makes dyestuffs stick to paste.

Sodium Alginate is widely applied to

different kinds of textile printing, such as

cotton, linen, silk and synthetic fibre. It

makes printing textile to attain bright

colors, sharp definition and good color

yield, high color fixing and soft hand

feeling. Liquid mixture with Sodium Alginate

has good plasticity and flexibility. Owing to

its perfect effect on textile printing and

low cost, Sodium Alginate is popular in


Sodium Alginate with low or medium viscosity

is acceptable for screen printing and hand

printing. Sodium Alginate has pseudoplasticly

rheology behavior. Sodium Alginate is

suitable for printing fine patterns or

wetondry. Good water-solubility, high water

absorption and foaming capacity. Have

irreversible reaction with calcium ion and

become gel. As per the usage of sodium

alginate, there are LV 100-300cps, MV 300-

500cps, HV 500-800cps and super high over


In food industry

Stability: ice cream, mixed drinks, cream and

cheese etc.Thickening: Salads, pudding, jam,

tomato juice, canned products, etc.Hydration:

Noodle, vemicelli, 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.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

GB1976-2008& FCCV.

In pharmaceutical industry

Excipient, dental impression material,

medical ointment, tablets etc; Haemostatic,

haemostatic gauze, scald gauze, spuze, spray

haemostatic etc; Has the effect of preventing

and removal of radioactive element and

poisonous metals.

In other industries

Papermaking starching Agriculture, Sodium

alginate is material for Address Seeds,

Pesticides, Anti-virus; Coating of the

welding electrode, resin coating, resin

coating, rubber ointment, battery seperation

layer, water treatment; Cosmetics; Artificial

fiber, can be synthesized with asbestos short


Safety Notes

Product should be stored in shady and cool

places. Don't let it exposed to the sun.

Performance won't be affected with damp.

Packaging Detail

In 25kg net each woven bag lined with plastic


Company Contact:

  • Phone: 008615853211120

  • Address: Add: No 549, Renmin Road, Jiaonan, Qingdao, Shando, QINGDAO, China

  • Email: Email

Published date: June 4, 2013 -

  • Business Description: Qingdao Rongde Seaweed Co., Ltd. is a high tech seaweed processing

    enterprises. With total assets of nearly RMB 60 million, plant covers an

    area of 150 mu, building area of 40,000 square meters, and more than 300

    employees, 25 engineers and technicians. Annual production capacity of

    RONGDE brand sodium alginate 4000 tons, carrageenan 500 tons, mannitol

    800 tons, iodine 60 tons and potassium alginate, calcium alginate,

    alginic acid, seaweed feed etc. Products are widely used in textile

    printing and dyeing, food, chemical, pharmaceutical, welding materials,

    agricultural, paper making and other industries. The company has import

    and export rights, is an important export oriented enterprises in

    Qingdao, products exported to the United States, France, Spain, South

    Korea, Japan, India, Pakistan, Taiwan, Brazil, Africa and so on more

    than 20 countries and regions, and we have built long term cooperation

    relationships with several famous enterprises.

    Qingdao Rongde Seaweed Co., Ltd. is a wholly owned subsidiary of YuanRun Group, the company concentrates on the production and management of traditional seaweed processing products, actively develop new products, production equipments, technology, quality and brand have reached the international advanced level. Rongde Co., attaches importance to technology innovation, integrates superior resources in this field, and has established good cooperation relations with several domestic institutions, has built enterprise technology center, engineering technology research center and other R&D platforms, and is equipped with global advanced R & D equipments, aiming at creating core competitiveness.

    The company upholds the business philosophy of "Science Cooperation, Mutual Benefit and Win Win", sincerely develops cooperation with the international and domestic customers, and provides the best services to them with sincere enthusiasm.

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