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Caustic soda 10-50%

Caustic soda 10-50% solutions (10%, 20%, 31.5%, 40%, and 50%) are diluted aqueous solutions of sodium hydroxide, commonly used in various industrial and cleaning applications. This colorless, highly alkaline solution is effective in saponification and as a pH adjuster, but requires careful handling due to its corrosive nature.

Caustic Soda 10-50% – Versatile Grades for Industrial Performance

Caustic soda 10-50% is available in a wide range of concentrations including 10%, 20%, 31.5%, 40%, and 50%, making it a highly adaptable chemical for numerous industrial applications. Known for its powerful alkaline properties, caustic soda (also called sodium hydroxide) is widely used across water treatment, mining, chemical manufacturing, and food processing industries throughout Australia.

🔍 What Is Caustic Soda?

Caustic soda, or sodium hydroxide (NaOH), is a strong alkaline compound known for its high reactivity and ability to neutralise acids, dissolve grease, and break down organic materials. It is a colourless, odourless, and highly corrosive solution in water. The U.S. spelling is the same—sodium hydroxide—but may be referenced as lye in some contexts.

📊 Available Concentration Grades

🧪 Caustic Soda 10% Solution

This low-concentration caustic soda is ideal for applications requiring gentle alkalinity such as pH correction in water treatment systems and cleaning operations in the food and beverage industry. It is a clear, water-like liquid with mild reactivity, making it safer for controlled usage.

🧪 Caustic Soda 20% Solution

The 20% grade is used in industrial cleaning processes, chemical dosing, and surface preparation. Its increased strength provides more effective performance while still maintaining manageable safety requirements in operational settings.

🧪 Caustic Soda 31.5% Solution

This is one of the most commonly used grades in Australia’s industrial sector. It serves as a reliable component in chemical manufacturing, mining operations, and pulp & paper processing. The 31.5% solution balances high alkalinity with ease of handling and transport.

🧪 Caustic Soda 40% Solution

The 40% grade offers stronger alkalinity and is typically used in dye and pigment production, aluminium refining, and detergent formulation. It is considered a high-purity grade suitable for demanding chemical processes requiring consistent quality and performance.

🧪 Caustic Soda 50% Solution

This is the most concentrated commercially available liquid form of sodium hydroxide. Used extensively in heavy industries such as petroleum refining, biodiesel production, and steel manufacturing, it provides maximum effectiveness for saponification, neutralisation, and waste treatment.

🏭 Industrial Applications & Benefits

Caustic soda 10-50% is a critical chemical in applications like chemical manufacturing, metal processing, oil refining, and effluent treatment. Its benefits include high reactivity, cost-efficiency, and flexibility across a wide concentration range. Whether used as a pH adjuster, degreaser, or in the formulation of cleaning agents, it ensures consistent industrial output. The different grades enable tailored solutions for specific operational needs.

🛡️ Why Choose Our Caustic Soda 10-50% Grades?

As a trusted caustic soda supplier in Australia, we ensure all grades meet stringent quality standards, are compliant with Australian regulations, and come with detailed technical documentation. We offer custom packaging options suited to your operational scale and delivery preferences. Request a Quote today to speak with our team.

📦 Packaging, Delivery & Documentation

  • CAS Number: 1310-73-2
  • Appearance: Clear to slightly hazy liquid
  • Odour: Odourless
  • Solubility: Fully soluble in water
  • Storage: Store in plastic drums or IBCs away from acids and flammable materials. Avoid metal contact.
  • Delivery: Available for delivery and pickup across Australia.

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🇦🇺 Buy Caustic Soda 10-50% in Australia

Our full range of Caustic soda 10-50% solutions is available in bulk and custom packaging. Whether you need a low-concentration cleaning grade or high-purity sodium hydroxide for manufacturing, we deliver consistent supply with fast turnaround. Contact us now to learn more or request a quote tailored to your industrial requirements.