Purity : minimum 98%
Other Names : Sodium Hydroxide | Lye | NaOH
Grade : Industrial
Packaging : 25kg Bag (PP/PE Double Layer) | 1250kg Jumbo Bag (50 × 25kg Bags)
HS Code : 28151100 CAS No.: 1310-73-2 UN No.: 1823 Chemical Formula: NaOH
Delivery: Worldwide
When it comes to serious planning of raw chemicals in a factory, even the simple appearance of a 25kg bag turns into a calculated decision. Why?
Because the Caustic Soda Flakes 25kg Bag is that small piece of the puzzle that keeps various departments in order: from pH adjustment in water treatment and pulp preparation in papermaking to alkaline cleaning of process lines and neutralization of acidic streams. If you look closely, whenever there is talk of a strong, reactive alkali, sodium hydroxide is there—and in the Iranian industrial market, it is well-known under the brand Caustic Soda.
On this page, we explain directly and without distraction why this 25kg packaging is so popular among warehouse, HSE, and finance teams; what specifications it has, where it really adds value, what to observe during transport and storage, and most importantly, how the path of price, buying, selling, and even export becomes faster and more reliable. The goal is for you to have a final decision for your team after reading this text—not fresh questions.
Some units have very high consumption and go for jumbo bags. But if your consumption is scattered or if different production lines work with different dosing, the 25kg bag keeps the game more organized.
Manual handling becomes safer, dosing is more precise, packaging waste is reduced, and warehouse management—rather than dealing with dozens of small items—moves forward with one uniform standard. This small orderliness translates into real savings at the end of the quarter.
On the other hand, stepwise entry into a hazardous materials warehouse, especially for units with limited space, is easier with 25kg bags. Moisture absorption and cross-contamination happen less often, and if for any reason part of the shipment is unused, the rest remain sealed and retain quality. This means better control over Shelf Life and procurement planning.
In this grade, Caustic Soda is supplied in the form of white, uniform flakes; dry particles, free of color and streaks, with a typical purity of 98–99%. Bags are usually double-layered:
The outer layer is made of PP with durable weave to withstand stress and abrasion, and the inner layer is made of PE to minimize moisture penetration. The stitches are firm, the labels are readable, and the warnings are placed in direct view. These small details make the difference between a calm working day and an unwanted shutdown.
“In handling alkalis, good packaging means half of your peace of mind; the other half comes from training and team discipline.”
| Item | Value/Description |
|---|---|
| Physical Form | White flakes, dry and uniform |
| Purity | 98–99% (COA supplied with shipment) |
| Net Weight per Bag | 25 kg |
| Bag Material | Double-layer PP/PE with reinforced stitching |
| Storage Conditions | Cool and dry, away from moisture and acids |
| Handling | Stack on pallets, shrink-wrap and strap for long journeys |
| Supplying Brand | Caustic Soda (stable quality and regular delivery) |
Raw water is not always kind. Sometimes it is acidic, and sometimes its dissolved metals are higher than expected. Caustic Soda raises the pH, preparing conditions for better coagulation, flocculation, and disinfection. When pH is in the safe range, chlorination efficiency improves, and the taste and odor of water move closer to standards.
For water quality frameworks, consult the WHO guidelines on drinking water that outline safe limits.
The same story applies to industrial wastewater: neutralizing acids, precipitating heavy metals, and preparing for further treatment steps. For discharge standards, the EPA water standards clarify the route.
If you deal with pulp, you know that without a controlled alkaline environment, lignin separation from cellulose will not progress as it should.
Caustic Soda sets the environment, increases reactivity, and clears the way for brighter, more uniform pulp. For a clear, scientific overview of sodium hydroxide in various industries, the Sodium Hydroxide entry in Britannica is concise and reliable.
In soap-making and industrial detergent production, Caustic Soda is part of the core formula. Both in saponification and in adjusting the pH of liquid formulations, this alkali is the cornerstone of reactions.
The 25kg bag is a logical choice for lines that require careful monitoring and staged charging. Professional formulators take one simple rule seriously: careful dilution and adding slowly into water, never the reverse.
From managing drilling mud to alkaline washing of acidic streams, Caustic Soda is present. Refineries manage pH to keep corrosion within acceptable ranges, and right here, 25kg bags are advantageous due to dosing convenience across different circuits.
If your workshop has multiple lines with distinct needs, smart division of chemicals is the first step in risk management. The 25kg bag helps each line consume exactly what it needs—no more, no less. This reduces waste and the risk of leaving bags open.
In humid warehouses, the smaller size reduces the chance of moisture absorption and caking. The warehouse team, with pallet stacking, shrink-wrapping, and strapping, keeps the shipment prepared for longer trips.
From an HSE perspective, manual handling of 25kg with assistive tools (hand jacks, short ramps, suitable gloves) is manageable. Compared to larger containers, the chance of musculoskeletal injury decreases. Of course, the golden rule always stands:
Sodium hydroxide is a strong and corrosive base; contact with skin or eyes is dangerous, so acid-resistant gloves, goggles, aprons, and work shoes must accompany the team. These are not formalities; they are insurance for busy days.
These points are repeated often, but repetition is what prevents accidents. For general water quality frameworks, the WHO and EPA guidelines mentioned above are sufficient.
Final pricing moves under several variables: purity and quality consistency, freight costs, global chlor-alkali market conditions, currency rate, and even the season of consumption. If you are an industrial buyer, your main advantage is delivery with COA and batch traceability so that any issue is quickly identified. Buying through official channels creates real differences in total project cost, whether for domestic use or for regional exports.
Caustic Soda focuses on these sensitive points: stable quality, reinforced double-layer packaging, logistical readiness for land and sea routes, and clear responses when the technical department has questions. This mix is simple but rare—and exactly what production units want.
The process is clear and fast. You announce your monthly or seasonal capacity; the sales team coordinates delivery with production and transport; technical documents and safety warnings accompany the shipment; for exports, document preparation and coordination to the border or port are handled. The goal is clear: you focus on production, not logistical distractions.
One practical tip: in busy warehouses, large, clear labeling for material names and pictograms improves speed and safety at the same time. It is simpler than you think and pays off during audits.
Pilot and semi-industrial laboratories needing precise dosing control.
Workshops producing detergents with multi-stage formulations and varied batches.
Small municipal water treatment units or local plants with periodic charging.
Printing and dyeing lines where pH must change stepwise.
EPC projects during commissioning phases, where consumption is not yet maximum but must stay organized.
Reliable supply means three things: consistent quality, secure packaging, and on-time delivery. The Caustic Soda brand invests exactly in these three areas. The sales team also sits alongside the technical team so that before the shipment arrives, everything is clear: from MSDS and COA to shipping schedule and stacking at destination. The matter is not complex—just consistent execution of simple tasks.
If you are considering daily price, direct purchase, or wholesale for your current line, expansion project, or export contract, now is the best moment for a short call. We transparently discuss Caustic Soda Flakes 25kg Bag price, availability, delivery schedule, and payment terms. If your destination is a port or land border, shipping and documentation details will be clarified in that same call. Even the smallest optimization in price and logistics directly reduces your final cost—especially when monthly consumption is tangible.
If I had to summarize this page in one sentence, I would say: the Caustic Soda Flakes 25kg Bag is that simple packaging that improves dosing management, warehouse order, daily safety, and final cost together. For staged consumption, multiple lines, and projects that have not yet reached peak capacity, this choice is logical in every way. Now that you have read this far, today is the right moment to clarify the path of price, buying, sale, and delivery with Caustic Soda: one short call, one clear plan, and peace of mind for your production team.
“When quality is stable and delivery is on time, the chemistry of work becomes simpler than we think.”
What is the common purity of this product?
98 to 99% and delivered with a Certificate of Analysis (COA).
Are the bags moisture-resistant?
The PE inner layer reduces moisture risk, but a dry warehouse is the main condition.
Is it suitable for direct solution preparation in the line?
Yes, provided the rule of adding solid to water is followed, with proper agitation.
What are the reference standards for water quality?
The WHO and EPA pages show the general framework, sufficient for internal guidelines.
What is the export advantage?
The 25kg bag gives flexibility in containerization and distribution to smaller destinations, while managing moisture risks better.