caustic soda flake
Description of Caustic Soda Flake
Caustic soda flake or Sodium hydroxide is an inorganic compound with formula NaOH. It is a white solid ionic compound consisting of sodium cations Na+ and hydroxide anions OH-. Sodium hydroxide is a highly caustic base and alkali, that decomposes proteins at ordinary ambient temperatures and may cause severe chemical burns. It forms a series of hydrates NaOH.nH2O. The monohydrate sodium hydroxide (NaOH.H2O) crystallizes from water solutions between 12.3 and 61.8 °C.
Caustic soda flake is probably the lesser-known product of the Chloralkali process, which is the electrolysis procedure used to free chlorine (Cl) from the sodium chloride (NaCl) found in salt brine. When chemical manufacturers produce chlorine, they also end up producing a comparable amount of caustic soda, which is in many ways as useful as its chemical counterpart.
The commercially available ” caustic soda flake ” is often this monohydrate, and published data may refer to it instead of the anhydrous compound.When dissolved with water or neutralized with acid, it produces a considerable amount of heat. It is mostly traded as an aqueous solution, typically concentrated to 50%, but many other concentrations are commercially available depending on the application of the compound.
It is available in many forms in the industry, and the most common forms are caustic soda flakes and caustic soda pearls. Sodium hydroxide as a strong base, is considered from one of the most important industrial chemicals and strong absorbent of moisture.
caustic soda flake is used in many industries in the manufacture of pulp and paper, textiles, drinking water, soaps and detergents and as a drain cleaner.
Characteristic of Caustic Soda Flake
At room temperature, caustic soda flake is a white crystalline odorless solid that absorbs moisture from the air. It is a manufactured substance. When dissolved in water or neutralized with acid it liberates substantial heat, which may be sufficient to ignite combustible materials. caustic soda flake is very corrosive. It is generally used as a solid or a 50% solution. Other common names include caustic soda and lye.
Although it does not pose a risk of explosion or ignition, it reacts with various acids, such as hydrochloric acid, and generates considerable heat during exothermic neutralization.
Metals like aluminum, tin and zinc are corroded. During this process, it generates hydrogen, which can act as an explosive gas. Highly hygroscopic in nature, sodium hydroxide absorbs moisture from the air as well as carbon dioxide and sulfur dioxide. Under humid conditions, this absorption leads to the formation of a watery solution.
Diluting liquid sodium hydroxide generates a significant amount of heat. This rapid heat release can cause the solution to spatter if someone pours water carelessly into it, so handlers must take proper care.
Sodium hydroxide breaks down animal fibers easily. Despite the decomposition of plant fibers, they have a higher resistance than animal fibers. Although corrosion-resistant materials include stainless steel, steel-epoxy resins, and fiber-reinforced plastics, industries most frequently use steel and rubber-lined steel.
As a summary in characteristics of caustic soda flake:
1. The raw material for various industrial products
2. Co-product in chlorine synthesis
3. Strong base
4. Highly corrosive
5. Auxiliary chemical
6. Odorless material
Caustic Soda Flake Application
Manufacturers use caustic soda flakes (sodium hydroxide) to produce many everyday products, including paper, aluminum, commercial drain and oven cleaners, soaps, and detergents. They also use caustic soda flakes in the production of soaps, rayon, paper, explosives, dyestuffs, and petroleum products, as well as in cotton fabric processing, laundering and bleaching, metal cleaning and processing, oxide coating, electroplating, and electrolytic extraction. It is commonly present in commercial drain and oven cleaners.
Due to Sodium Hydroxide flake factors, it has used in many different industries. In the food industry: milk industry, canning, olive sweetening, water treatment, chocolate production, cocoa and caramel production, vegetable and fruit washing, soft drinks, oil refining, sugar, and sugar production.
In the metal and electroplating industries: metal, zinc, aluminum, galvanizing and electroplating, glass. Battery industry and neutralize the acid and battery, The Pharmaceutical industry.
Alcohol and cosmetics, Industry consuming fatty, leather and textile, industry and Dyeing industry, Oil, gas and petrochemical industry, Cardboard and paper industry, Leaf profit (caustic soda) pack, Drilling Mud, Detergent and Soap Making, Biodiesel, Aluminum etching, Domestic uses, Tissue digestion, Delignification of cellulosic materials and, Pulp and paper.
Sodium Hydroxide Flake Packing
There are different kind of packing for industrial Sodium Hydroxide flake, since caustic soda /sodium hydroxide is chemical product better to pack in 25 kgs 2 layer laminate PP bag and don’t allow any water to moisture enter the bag , also for transportation and reducing labor charges we can put bags in 1250 Kg jumbo bag or 1250 Kg pallets are possible.
Suppliers ship food-grade sodium hydroxide flakes in safe metal containers that protect the product from moisture and humid conditions. Sodium hydroxide is hydrophilic, meaning it not only attracts moisture and water but also actively absorbs any moisture or water it encounters.
Caustic Soda Flake Analysis
| CONTENT | TEST RESULT | UNIT |
|---|---|---|
| Al2O3 | Max 3 | PPM |
| Fe | 10 | PPM |
| Heavy Metals as Pb | Max 2 | PPM |
| Insoluble in Water | 0 | %W |
| Na2CO3 | 0.43 | %W |
| Na2SO4 | 0.0047 | %W |
| NaCl | 0.0085 | %W |
| NaOH | 98%±1 | %W |
| SiO2 | 0.0019 | %W |
| SHAPE | 0.3-1 | CM³ |
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