Description

Sodium Metabisulphite Supplier | Bulk SMBS | Nwans Chemicals

High-Quality Sodium Metabisulphite for Industrial Applications

Looking for a reliable Sodium Metabisulphite Supplier in South Africa or anywhere in Africa and international markets? Nwans Chemicals is a trusted supplier of premium Industrial Sodium Metabisulphite (SMBS) for mining, water treatment, food processing, pulp and paper, textiles, and chemical manufacturing industries. We supply Bulk Sodium Metabisulphite to industrial customers seeking consistent product quality, competitive pricing, and dependable delivery.

Whether you want to Buy Sodium Metabisulphite for ongoing production or require a long-term Sodium Metabisulphite Bulk Supply partner, Nwans Chemicals offers high-purity SMBS backed by professional technical support, export-ready packaging, and responsive customer service. We proudly serve customers across South Africa, Africa, the Middle East, Europe, and Asia.

What is Sodium Metabisulphite?

Sodium Metabisulphite (SMBS), also known as Sodium Pyrosulphite, is an inorganic compound with the chemical formula Na₂S₂O₅. It appears as a white or slightly yellow crystalline powder with a characteristic sulphur dioxide odour. As a powerful reducing agent and antioxidant, SMBS is widely used across numerous industries for water treatment, mineral processing, food preservation, bleaching, and chemical manufacturing.

As a leading Sodium Metabisulphite Supplier, Nwans Chemicals supplies industrial and food-grade SMBS that meets stringent quality standards for demanding applications. Its excellent reducing properties, high solubility in water, and reliable performance make it an essential raw material for many industrial processes.

Learn more about our complete range of Industrial Chemicals, Mining Chemicals, and Water Treatment Chemicals to support your operational requirements.

Key Features and Benefits

High Purity

Our High Purity Sodium Metabisulphite is manufactured to deliver consistent quality and dependable performance across industrial applications. Every batch is supported by a Certificate of Analysis (COA) upon request.

Excellent Reducing Agent

SMBS effectively removes dissolved oxygen, neutralises oxidising agents, and assists in numerous chemical reduction processes, making it suitable for mining, water treatment, and manufacturing industries.

Reliable Industrial Performance

Its excellent chemical stability and consistent composition make Sodium Metabisulphite ideal for continuous industrial production where reliable performance is essential.

Long Shelf Life

When stored correctly, Sodium Metabisulphite maintains its effectiveness for extended periods, reducing product waste and inventory costs.

Export Quality

Nwans Chemicals supplies export-quality SMBS with professional packaging and documentation, including Technical Data Sheets (TDS), Safety Data Sheets (SDS), and Certificates of Analysis (COA).

Technical Specifications

Technical specifications may vary slightly depending on the manufacturer. TDS, SDS, and COA are available upon request.

Packaging Options

Nwans Chemicals offers flexible packaging solutions to meet the requirements of manufacturers, distributors, mining companies, and municipal organisations. Our products are packaged to preserve quality during storage and transportation, ensuring safe delivery to domestic and international destinations.

Product Applications

Sodium Metabisulphite for Water Treatment

One of the most common uses of Sodium Metabisulphite for Water Treatment is the removal of residual chlorine and other oxidising agents from potable water, industrial water systems, and wastewater. SMBS acts as an effective reducing agent, helping to protect treatment equipment while ensuring water quality meets operational and regulatory requirements.

Municipal water authorities, desalination plants, and industrial facilities rely on Sodium Metabisulphite to improve water treatment efficiency and maintain safe processing conditions. Customers may also be interested in our Water Treatment Chemicals portfolio for complete treatment solutions.

Sodium Metabisulphite for Mining

The mining industry uses Industrial Sodium Metabisulphite extensively during mineral processing and precious metal recovery. It is commonly applied in gold mining operations for cyanide detoxification and flotation processes, helping improve operational efficiency while supporting environmental compliance.

As a trusted SMBS Supplier, Nwans Chemicals supplies consistent, high-purity products suitable for mining operations across Africa and international markets.

Explore our complete range of Mining Chemicals for additional mineral processing solutions.

Gold Recovery

Sodium Metabisulphite plays an important role in gold refining and recovery processes. It is widely used to precipitate dissolved gold from chloride solutions and to neutralise excess oxidising agents during refining operations.

Its reliable reducing properties make it a preferred reagent for precious metal processing facilities seeking consistent recovery performance.

Wastewater Treatment

Industrial wastewater treatment facilities use Sodium Metabisulphite to remove residual chlorine before discharge, protecting aquatic ecosystems and helping facilities comply with environmental regulations.

The product is also effective in controlling oxidation reactions in various industrial treatment processes.

Food Processing

Food-grade Sodium Metabisulphite is widely used as an antioxidant and preservative in selected food manufacturing processes. It helps prevent oxidation, preserve colour, and extend product shelf life where permitted under applicable food regulations.

Food-grade applications should always comply with local food safety legislation and recommended usage guidelines.

Textile Industry

The textile industry uses Sodium Metabisulphite as a bleaching agent and reducing chemical during dyeing and finishing operations. It assists in removing excess dyes and improving colour consistency while supporting efficient textile processing.

Leather Industry

Leather manufacturers use SMBS during tanning and leather processing to control oxidation, improve processing efficiency, and enhance product quality.

Pulp and Paper Industry

Paper manufacturers utilise Sodium Metabisulphite as a bleaching and reducing agent during pulp production. It assists in improving pulp brightness while reducing unwanted oxidation during manufacturing.

Chemical Manufacturing

SMBS is widely used as a reducing agent and chemical intermediate in the production of pharmaceuticals, photographic chemicals, detergents, and numerous speciality chemicals.

Industries Served

Nwans Chemicals supplies Bulk Sodium Metabisulphite to a wide range of industries, including:

Mining Industry

Supplying high-purity SMBS for mineral processing, flotation, and gold recovery.

Water Treatment

Providing chemicals for municipal, industrial, and wastewater treatment facilities.

Food & Beverage Manufacturing

Supporting food preservation and processing applications where approved.

Textile Manufacturing

Supplying reducing agents for dyeing and finishing processes.

Pulp & Paper Industry

Providing bleaching and processing chemicals for paper manufacturers.

Chemical Manufacturing

Supplying raw materials for chemical production and industrial processing.

Agriculture

Supporting irrigation water treatment and selected agricultural processing applications.

Pharmaceutical Industry

Providing high-quality chemical raw materials for pharmaceutical manufacturing.

Learn more about the sectors we support on our Industries page.

Storage and Handling

Storage Recommendations

Store Sodium Metabisulphite in its original, tightly sealed packaging in a cool, dry, and well-ventilated warehouse. Protect the product from moisture, direct sunlight, heat sources, and humidity, as exposure to moisture may reduce product quality and release sulphur dioxide gas.

Recommended Storage Conditions

• Store in a cool, dry location.
• Keep containers tightly sealed.
• Protect from moisture and water.
• Store away from acids and strong oxidising agents.
• Use the First-In, First-Out (FIFO) inventory system.
• Keep storage areas well ventilated.

Safety Precautions

Always handle Sodium Metabisulphite using appropriate personal protective equipment (PPE). Avoid inhaling dust and prevent contact with eyes and skin. Ensure adequate ventilation during handling, particularly in enclosed areas.

Recommended PPE

• Chemical-resistant gloves
• Safety goggles
• Protective clothing
• Dust mask or suitable respirator where required
• Safety footwear

Always refer to the product’s Safety Data Sheet (SDS) before handling or use.

Shelf Life

When stored correctly in its original unopened packaging, Sodium Metabisulphite typically has a shelf life of up to 24 months. Product quality is best maintained when stored under cool, dry conditions away from incompatible chemicals.

Nwans Chemicals provides Technical Data Sheets (TDS), Safety Data Sheets (SDS), and Certificates of Analysis (COA) upon request.

Why Choose Nwans Chemicals?

Premium Product Quality

We supply High Purity Sodium Metabisulphite sourced from reputable manufacturers and supported by strict quality control procedures.

Competitive Pricing

Our efficient supply chain enables us to offer competitive pricing for both local and export customers without compromising on quality.

Reliable Bulk Supply

Whether you require one pallet or regular container loads, we provide dependable Sodium Metabisulphite Bulk Supply tailored to your business requirements.

Export Documentation

International customers receive complete export documentation, including Commercial Invoices, Packing Lists, COAs, TDS, SDS, and other required shipping documents.

Technical Support

Our experienced team provides product guidance, application advice, and technical assistance to help customers select the most suitable chemical solutions.

Fast Quotations

We respond promptly to enquiries with competitive quotations and reliable lead times, helping customers minimise procurement delays.

Related Products

Nwans Chemicals supplies a comprehensive range of industrial chemicals, including:

• Calcium Hypochlorite
• Sodium Hypochlorite
• Caustic Soda Flakes
• Hydrochloric Acid
• Sulphuric Acid 98%
• Soda Ash Light
• Soda Ash Dense
• View our full catalogue of Industrial Chemicals and Products.

Frequently Asked Questions

What is Sodium Metabisulphite used for?

Sodium Metabisulphite is used in water treatment, mining, food processing, textiles, paper manufacturing, chemical production, and gold recovery as a reducing agent and antioxidant.

Is Sodium Metabisulphite suitable for water treatment?

Yes. It is widely used to remove residual chlorine and other oxidising agents from potable water, industrial water systems, and wastewater.

What purity do you supply?

Nwans Chemicals supplies high-purity Sodium Metabisulphite, typically with a purity of 97% or higher, depending on the grade.

Is bulk supply available?

Yes. We offer flexible bulk supply options for manufacturers, distributors, municipalities, and mining companies.

What packaging options are available?

We supply 25 kg bags, 50 kg bags, 1,000 kg jumbo bags, export packaging, and customised packaging upon request.

Do you export internationally?

Yes. Nwans Chemicals supplies customers across South Africa, Africa, the Middle East, Europe, and Asia.

Can I request a TDS, SDS, and COA?

Yes. All relevant technical documentation is available upon request.

How should Sodium Metabisulphite be stored?

Store it in a cool, dry, well-ventilated area away from moisture, acids, and strong oxidising agents.

Is Sodium Metabisulphite suitable for mining?

Yes. It is widely used in mineral processing, gold recovery, flotation, and cyanide detoxification.

How can I request a quotation?

Simply contact Nwans Chemicals with your required quantity, destination, and application. Our team will prepare a competitive quotation promptly.

Request a Quote

Looking for a dependable Sodium Metabisulphite Supplier for your industrial operations? Nwans Chemicals supplies Bulk Sodium Metabisulphite to customers across South Africa, Africa, and international markets with competitive pricing, reliable logistics, and consistent product quality.

Contact us today to request:

• Competitive pricing
• Bulk supply quotations
• Technical Data Sheet (TDS)
• Safety Data Sheet (SDS)
• Certificate of Analysis (COA)
• Export enquiries and shipping information

Whether you need Sodium Metabisulphite for Water Treatment, Sodium Metabisulphite for Mining, or other industrial applications, Nwans Chemicals is your trusted partner for reliable chemical supply solutions.