M-235 Additive
M-235 Yellow Metal Corrosion Inhibitor protects copper, brass and bronze in cleaners, coolants, coatings and industrial fluids across UAE and GCC.
Yellow Metal Corrosion Inhibitor | M-235 Supplier in Qatar, UAE
M-235 Additive is a powder-form Yellow Metal Corrosion Inhibitor developed to protect copper, brass, bronze, copper alloys and other yellow metals from staining, tarnishing and corrosion. It reacts with copper oxides and metal ions to create a stable protective barrier on the surface. Manufacturers can use M-235 in cleaners, cooling-water treatments, hydraulic fluids, metalworking fluids, waxes, lacquers, packaging paper and direct metal treatments.
The product offers good solubility in water, glycol and several organic systems. Typical formulation levels range from approximately 0.1% to 2%, depending on the application. Alvina supplies M-235 Additive across UAE, including Dubai, Abu Dhabi, Sharjah, Ajman, Fujairah, Ras Al Khaimah and Umm Al Quwain. Alvina also supports requirements in Saudi Arabia, Qatar, Oman, Kuwait and Bahrain.
M-235 Yellow Metal Corrosion Inhibitor in UAE
Yellow metal corrosion inhibitor is Copper and brass are often chosen because they handle corrosion better than ordinary steel. Even so, they are not immune to damage. Moisture, salts, cleaning chemicals, heat and contaminated process fluids can slowly change the surface. The metal may lose its shine, turn dark, develop stains or start to pit.
This is common in cooling-water systems, hydraulic circuits, workshops and metal-processing plants. The problem can become harder to control when copper, steel and aluminium are used in the same equipment. Copper ions may enter the fluid and settle on another metal, which can speed up galvanic corrosion.
M-235 Additive is designed for these situations. It is a powdered Yellow Metal Corrosion Inhibitor used mainly for copper, brass, bronze and related alloys. It may be added to suitable cleaners, cooling-water treatments, metalworking fluids, hydraulic products, waxes, lacquers and selected packaging formulations.
Alvina supplies M-235 Additive throughout the UAE, including Dubai, Abu Dhabi, Sharjah, Ajman, Ras Al Khaimah, Fujairah and Umm Al Quwain. Supply is also available for customers in Saudi Arabia, Qatar, Oman, Kuwait and Bahrain.
What Is M-235 Additive?
M-235 is a white to off-white powder used to protect yellow metals. Its main role is to control corrosion on copper and copper-based alloys.
When copper reacts with moisture or chemicals, an oxide layer begins to form on the surface. M-235 reacts with this layer and creates a stable protective complex. The film is very thin, but it slows down the electrochemical reactions that lead to tarnishing, staining and metal loss.
The product also works inside the fluid. Copper ions released from the surface can move through a cooling system, cleaner or metalworking liquid. If those ions settle on steel or aluminium, they may create a new corrosion cell. M-235 binds with the free copper ions and makes them less likely to cause trouble elsewhere in the system.
Another useful point is its solubility. The powder can be incorporated into water, glycol and several organic media, depending on the formulation. This allows it to be tested in many industrial products rather than being limited to one type of application.
Key Features of Yellow Metal Corrosion Inhibitor
- Works as a Yellow Metal Corrosion Inhibitor.
- Protects copper, brass, bronze and copper-based alloys.
- Helps reduce tarnishing, staining and surface corrosion.
- Forms a stable complex with copper oxides.
- Provides a physical and electrochemical corrosion barrier.
- Complexes dissolved copper and yellow-metal ions.
- Helps reduce galvanic corrosion in mixed-metal systems.
- Works in aqueous and selected non-aqueous formulations.
- Offers useful solubility in water and glycol.
- Fits cleaners, cooling systems and metalworking fluids.
- Can support wax and lacquer formulations.
- Suitable for direct treatment of copper and brass sheets.
- Works in packaging paper and boxboard treatments.
- Comes as a white-to-off-white powder.
- Supplied by Alvina across UAE and GCC markets.
Uses of Yellow Metal Corrosion Inhibitor
Copper and Brass Sheets
Manufacturers can apply a suitable M-235 treatment to rolled copper or brass sheets and coils. The inhibitor helps protect the surface during processing, storage and shipment.
Cooling Towers and Air-Conditioning Systems
Cooling-water systems often contain copper tubing, brass valves and mixed-metal components. M-235 can support water-treatment formulations used in circulating cooling towers and air-conditioning systems.
Hydraulic Fluids
Hydraulic systems may contain copper alloys, steel and aluminium. Adding the correct yellow-metal inhibitor can reduce copper corrosion and help limit galvanic effects.
Metalworking Fluids
Machining and forming operations often use water, glycol or synthetic fluids. M-235 can help protect copper and brass parts during machining and temporary storage.
Cleaners and Detergents
Strong alkaline and acidic cleaners may cause flash corrosion or staining on copper alloys. M-235 can provide additional protection in compatible soaps, detergents and industrial cleaners.
Protective Waxes and Lacquers
Manufacturers can add M-235 to compatible wax or lacquer systems developed for copper, brass and decorative metal items.
VCI Packaging Paper and Boxboard
Paper converters may incorporate M-235 into suitable wrapping paper or boxboard systems used for interleaving, storage and shipment of copper or brass products.
Artifacts and Decorative Items
Bronze sculptures, copper artwork and decorative brass components can lose colour or develop surface stains. Suitable M-235-based systems can help protect these items during storage or display.
Applications Across UAE and GCC
UAE
Dubai: Suitable for copper traders, cooling-system contractors, metalworking-fluid suppliers, packaging companies and industrial maintenance businesses.
Abu Dhabi: Useful for oil and gas facilities, cooling-water systems, offshore equipment, hydraulic units and mixed-metal processing systems.
Sharjah: Supports brass fabricators, copper-coil suppliers, machining workshops, chemical formulators and industrial cleaners.
Ajman: Suitable for small metalworking companies, cleaning-product manufacturers, decorative metal workshops and maintenance suppliers.
Fujairah: Useful for marine facilities, port equipment, cooling systems and copper or brass parts exposed to coastal humidity.
Ras Al Khaimah: Supports industrial plants, manufacturing units, quarry equipment, cooling towers and fabricated metal products.
Umm Al Quwain: Suitable for workshops, water-treatment suppliers, metal stockists and industrial fluid formulators.
Saudi Arabia
Businesses in Riyadh, Dammam, Jubail, Jeddah and Al Khobar can use M-235 in refinery cooling systems, industrial cleaners, hydraulic fluids, copper fabrication and metalworking applications.
Qatar
Companies in Doha can evaluate M-235 for air-conditioning systems, oilfield maintenance, metalworking fluids, copper components and water-treatment products.
Oman
Industries in Muscat and coastal locations can use M-235 in cooling systems, marine maintenance, copper processing and industrial fluid formulations.
Kuwait
M-235 can support refinery maintenance, cooling-water treatment, hydraulic equipment, metal fabrication and copper-protection requirements.
Bahrain
The product suits aluminium and copper industries, marine services, cooling systems, decorative metalwork and industrial maintenance applications.
Technical Specifications
| Specification | Details |
|---|---|
| Product Name | M-235 Additive |
| Product Type | Yellow Metal Corrosion Inhibitor |
| Physical Form | White to off-white powder |
| Primary Metals | Copper, brass, bronze and copper-based alloys |
| Additional Protection | Helps reduce galvanic attack on nearby steel and aluminium |
| Protection Mechanism | Forms a stable complex with copper oxides and yellow-metal ions |
| Barrier Type | Physical and electrochemical protective film |
| Assay | Approximately 98%–100% |
| Melting Point | Approximately 94°C–99°C |
| Typical Dosage | Approximately 0.1%–2% |
| Current Category Guidance | Up to approximately 1.5% for many fluid formulations |
| Water Solubility at 25°C | Approximately 1.98% by weight |
| Water Solubility at 60°C | Approximately 7.4% by weight |
| Methanol Solubility | Approximately 71.6% by weight |
| Isopropanol Solubility | Approximately 53.9% by weight |
| Ethylene Glycol Solubility | Approximately 150.7% by weight |
| Polyethylene Glycol Solubility | Approximately 47.7% by weight |
| Typical Applications | Cleaners, cooling systems, coatings, hydraulic fluids and metalworking fluids |
| Packaging | 5 lb, 50 lb and 100 lb fibre drums; bulk supply |
| Metric Packaging | Approximately 2.3 kg, 23 kg and 45 kg |
| Supplier | Alvina |
| Supply Region | UAE, Saudi Arabia, Qatar, Oman, Kuwait and Bahrain |
The official data sheet states that M-235 contains approximately 98%–100% active material, melts at around 94°C–99°C, and has water solubility of about 1.98% at 25°C. It also lists packaging in 2.3 kg, 23 kg and 45 kg fibre drums.
Certifications, Standards and Compliance
The available technical literature confirms M-235’s chemistry, application range and typical properties. However, it does not publish a full list of product-specific third-party certifications. Customers should request the latest Technical Data Sheet, Safety Data Sheet, regulatory declarations and batch documents before approving the product.
The following standards may support testing and formulation work. They do not automatically mean that M-235 holds each certification.
ASTM D4340 – Aluminium Corrosion in Engine Coolants
AMPP Corrosion Standards
ISO Corrosion Standards
GHS – Globally Harmonized System
Safety Data Sheet
Why Choose M-235 Additive from Alvina?
Yellow-metal corrosion often receives less attention than rust on steel. Copper and brass may appear more resistant, but harsh cleaners, cooling water, salts and high temperatures can still attack them.
M-235 works directly with copper oxides and yellow-metal ions. Rather than simply covering the surface with a thick coating, it forms a thin and stable protective complex. This makes it useful across several types of fluid and protective formulations.
The product also supports mixed-metal systems. By complexing dissolved copper ions, M-235 can reduce the chance that copper deposits will accelerate corrosion on steel or aluminium.
Its powder form and broad solubility give formulators several options. They can evaluate it in water, glycol, cleaners, hydraulic fluids, metalworking fluids, packaging treatments, waxes and lacquers.
Alvina supplies M-235 Additive throughout UAE, including Dubai, Abu Dhabi, Sharjah, Ajman, Fujairah, Ras Al Khaimah and Umm Al Quwain. Alvina also supports industrial requirements in Saudi Arabia, Qatar, Oman, Kuwait and Bahrain.
Frequently Asked Questions
1. What is M-235 Additive?
It is a powder corrosion inhibitor made mainly for copper, brass, bronze and other yellow metals.
2. Does M-235 stop brass from tarnishing?
It can reduce tarnishing and staining when used at the correct level in a compatible formulation.
3. Can M-235 be used in water-based products?
Yes, although warm water or a premix may improve dissolution.
4. Is M-235 suitable for glycol systems?
It has good solubility in ethylene glycol and can be evaluated in glycol-based products.
5. What is the normal dosage range?
Most applications begin within a range of approximately 0.1% to 2%.
6. Does M-235 protect bronze?
Yes, the additive is intended for bronze as well as copper and brass.
7. Can it reduce galvanic corrosion?
It binds dissolved copper ions, which may help reduce galvanic attack on steel or aluminium.
8. Is it useful in industrial cleaners?
Yes, it may be added to compatible cleaners where copper or brass staining needs to be controlled.
9. Can it be used in cooling towers?
M-235 may be included in suitable cooling-water formulations after compatibility and performance testing.
10. Where is M-235 available?
Alvina supplies the product across the UAE, Saudi Arabia, Qatar, Oman, Kuwait and Bahrain.
Conclusion
M-235 Additive is not a general-purpose rust chemical. Its job is more specific. It protects copper, brass, bronze and other yellow metals that may stain, darken or corrode in contact with water, chemicals and industrial fluids.
It also deals with dissolved copper ions, which can be a hidden source of corrosion in systems containing steel or aluminium. This makes the additive especially relevant to cooling water, hydraulic products, cleaners, coolants and metalworking fluids.
Because each formulation behaves differently, M-235 should be tested before full-scale use. The dosage, pH, temperature and metal combination all matter.
For companies looking for a Yellow Metal Corrosion Inhibitor, Copper Corrosion Inhibitor Additive, Brass Corrosion Inhibitor or Metalworking Fluid Corrosion Inhibitor, M-235 offers a practical formulation option. Alvina supplies the product across the UAE and throughout the GCC region.
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