COMMODITY: Caustic soda pearls 99%, sodium hydroxide solid
APPEARANCE: white pearls, prills or pellets
M.F.:NaOH
CAS No.: 1310-73-2
HS CODE: 28151100
EINECS No.: 209-553-4
PACKAGE :25kg bag; 25kg plastic drum;1.2tons jumbo bag
In modern industrial chemistry, selecting the optimal solid physical state for sodium hydroxide is critical to achieving process stability and operational safety. Solid spherical alkali, widely recognized in international trade as a caustic soda pearl, is meticulously manufactured to supply a smooth, dust-free, and highly soluble raw material for demanding processing environments where irregular flakes may introduce feed inconsistencies.

The spherical architecture of the pearl form is achieved through advanced melt-prilling and controlled cooling technologies. This specialized production method imparts superior mechanical strength to each bead, preventing structural degradation, cracking, and dust formation during handling, transit, and pneumatic transfer.
Key operational advantages include:
1. Optimal Free-Flow Properties: The smooth surface and uniform spherical geometry eliminate bridge formation in storage hoppers and feeding systems, supporting continuous gravity-fed automated operations.
2. Consistent Rate of Dissolution: Because each bead maintains a uniform surface-area-to-volume ratio, dissolution in water occurs predictably without creating sudden localized temperature spikes or un-dissolved chemical clumps.
3. Reduced Workplace Dust Exposure: The high structural integrity of the beads drastically minimizes fine particulate formation when emptying bags into mixing vessels, protecting operator health and maintaining clean plant environments.
4. Enhanced Warehousing Stability: Spherical beads contact one another at minimal surface points, greatly reducing the tendency to compact or form hard cakes during long-term storage under controlled conditions.


The cleanliness and precision dosing provided by spherical alkali make it a vital component across diverse manufacturing sectors:
● Clean-In-Place (CIP) and Industrial Detergent Formulation: Essential for formulating high-efficiency alkaline cleaning agents used to degrease machinery, sanitize food processing pipelines, and clean brewery fermentation tanks.
● Textile Processing and Mercerization: Applied in cotton fiber treatment to expand the yarn structure, improve dye absorption, and impart luster to finished fabrics.
● Biodiesel and Renewable Fuel Synthesis: Serves as a reliable alkaline catalyst in transesterification reactions, converting vegetable oils and animal fats into clean-burning fuels.
● Chemical Synthesis and Water Treatment: Utilized for accurate pH regulation in industrial efluent treatment and as a base reactant in synthesizing specialty sodium compounds.


Maintaining the free-flowing integrity of solid spherical chemicals over extended ocean voyages requires robust, multi-layer moisture barriers to prevent ambient carbonation and hydration.
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Supply Chain Aspect |
Export Packaging & Quality Safeguards |
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Moisture Protection |
Heavy-duty woven polypropylene bags lined with heat-sealed polyethylene inner bags to prevent ambient moisture ingress. |
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Palletization Standard |
Shrink-wrapped, palletized container loads engineered to prevent shifting and ensure safe warehouse stacking upon arrival. |

We specialize in exporting high-grade solid alkali to international distributors, chemical formulators, and manufacturing facilities across global markets. Every export shipment is verified by rigorous batch testing to guarantee physical uniformity, chemical integrity, and full compliance with international maritime dangerous goods (DG) packaging standards.
Our export management team provides prompt quotation services, customized shipping terms (FOB, CFR, CIF), and comprehensive shipping documentation to ensure smooth customs clearance at your destination port.