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Caustic Soda Flake

caustic soda, known as flake soda, is produced industrially in the form of white solid flakes.

Description: Sodium hydroxide or caustic soda, known as flake soda, is produced industrially in the form of white solid flakes. The corrosive feature of this product is the main reason for its production in the solid form. Purity of the commercially available flake soda should be about 98% to comply with international standards.

Typical applications:

·       Food industry, milk industries, canning, beverage, sugar factory, oil

·       Metal industry, production of glass, zinc, aluminum, galvanizing, and electroplating

·       Battery manufacturing, acid neutralization

·       Pharmaceutical, production of alcohol and cosmetics

·       Production of degreasers and related industries

·       Petroleum and petrochemical industry

·       Carton and paper industry

·       Leather and textile industry

·       Color industry

PROPERTY

TYPICAL VALUE

UNIT

TEST METHOD

Purity as NaOH

98+1

%

JIS K 1200

Carbonates as Na2CO3

8000

Ppm

JIS K 1200

Chlorides as NaCl

500

Ppm

ASTM  E291

Sulfates as Na2SO4

300

Ppm

ASTM  E291

Silicates as SiO2

200

Ppm

ISO 252

Cadmium (Cd)

<0.03

Ppm

ISO 10566

Heavy Metals as Pb

0.30

Ppm

ISRI 364

Iron as Fe2O3

30

Ppm

ASTM E291

Insoluble in Water

300

Ppm

BSI 6075

Mercury (hg)

<0.05

Ppm

ISRI 364

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