Caustic Soda

Blended Products supply Caustic Soda (Sodium Hydroxide, NaOH) in liquid and solid forms for industrial hygiene, manufacturing, water treatment, and heavy industry. Liquid caustic supports efficient CIP and sanitation processes. It provide controlled alkalinity, pH correction, and chemical production. Our caustic solutions deliver consistent performance across high-demand environments, helping you clean, neutralise, and optimise your processes.

You can also call us to speak to one of our expert team who can help you select the best product on 01652 680555.

Why chose us?

Dependable Supply. Consistent quality. Backed by expertise.

Product benefits

  • Strong and reliable alkaline cleaner and neutralising agent
  • Ideal for chemical production, wastewater treatment, and biodiesel manufacture
  • Removes grease, oil, and organic build-up in industrial and plant maintenance
  • Improves process efficiency in pulp, paper, and textile production
  • Supplied in bulk, drums, or IBC containers across the UK
  • Fully supported with Safety Data Sheets and technical expertise
  • Backed by secure UK supply
  • Technical support
  • Full delivery traceability 

Product applications

  • Chemical manufacturing – production of sodium salts, detergents, solvents, and catalysts
  • Pulp & paper industry – lignin separation, bleaching, and recycling
  • Soap and detergent production – key reagent for saponification and formulation
  • Water and wastewater treatment – acid neutralisation and hardness removal
  • Food and beverage processing – used in controlled applications such as peeling, curing, and surface treatment (e.g. olives, pretzels, cocoa), where safe use and compliance with industry regulations are essential.
  • Petroleum and biofuel refining – purification and catalyst use in transesterification
  • Textiles and dyeing – mercerisation and fibre treatment
  • Industrial degreasing & maintenance,  CIP and plant sanitation

More information

Caustic Soda (Sodium Hydroxide) is a highly caustic alkali used throughout manufacturing, water treatment, and industrial cleaning. Its effectiveness as a pH regulator, saponification agent, and acid neutraliser makes it one of the most widely used industrial chemicals globally.
Blended supply caustic soda to food producers, utilities, manufacturers, and facilities teams across the UK. Each delivery includes full batch traceability and compliance documentation, backed by responsive technical support and dependable logistics.

Related products

Aqueous Ammonia

Aqueous ammonia (24.5%), also known as ammonium hydroxide, is a clear, colourless solution used across a wide range of industrial and commercial applications.

Buying from Blended

Blended has become a recognised name for reliable and competitively priced specialist gas and chemical products. Working alongside national as well as globally recognised brands, Blended provide the highest levels of service and tailored solutions, offering a customer focused approach which is combined with expertise and professionalism. Find our more

What our customers say

“EJM have used Blended Products for over 15 years for virgin Ammonia and now with the addition of their Decant Service, cements our ongoing relationship.”

Paul Cable

Managing Director, EGM Systems Limited
“Blended Products have engaged actively with a number of BCGA committees and initiatives since joining in 2014 and we appreciate their ongoing contribution”

Doug Thornton

Former Chief Executive BCGA
“After using Thermablend TX, we found mixing much easier due to its very low viscosity. We didn’t even require the pump station to mix the rest of the system water”

Ben Barratt

The Smart Energy Group

Latest news & insight from Blended Products

Stay informed with the latest news, updates, and expert insights from the team at Blended. From industry trends and product innovations to technical advice and event coverage, our articles are designed to help you stay ahead in a fast-moving sector. Explore how we’re supporting customers, advancing sustainability, and sharing knowledge across the industries we serve.

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