Electrolytic manganese flakes(EMM Flakes) are pure manganese metal produced through a wet electrolysis process. With their unique advantages of high purity, low impurities, and flake-like morphology that facilitates dissolution, they have become an indispensable basic raw material in the fields of stainless steel, special steel, non-ferrous alloys, electronic materials, and chemicals. Compared to manganese alloys produced by pyrometallurgical processes (such as ferromanganese and ferrosilicon), electrolytic manganese is a true "pure metal additive," enabling precise control of material composition and meeting the stringent performance requirements of high-end manufacturing.

Core Values:

High Purity: Mn content ≥99.5% or 99.7%, with extremely low levels of impurities such as carbon, sulfur, phosphorus, iron, and selenium.

High Reactivity: The flake-like morphology provides a large specific surface area, resulting in rapid melting and high absorption rates during smelting.

Precise Composition: As an alloying additive, it allows for precise control of the manganese content in steel or alloys, avoiding the introduction of additional impurities.

Electrolytic manganese flakes(EMM Flakes)

chemical composition

Grade	Mn	C	S	P	Si	Fe	Se
Mn99.8	99.8	0.02	0.03	0.005	0.005	0.03	0.06
Mn99.7	99.7	0.04	0.05	0.005	0.010	0.03	0.10
Mn99.5	99.5	0.08	0.10	0.010	0.015	0.03	0.15

Physical Specifications:

Form: Irregular flakes, typical thickness 0.5-2mm, single-sided dimensions approximately 5-20mm.

Size: Regular flakes, can also be crushed into 40-500 mesh powder upon request.

Appearance: Silver-gray to brown, glossy on one side, rough on the other.

Core Product Technical Advantages

Ultra-high purity control: Free extra Fe/Si impurity introduction, realize accurate Mn content adjustment within ±0.02% in molten metal;
High dissolution efficiency: Flake structure raises molten absorption rate up to 95%+, save 8~12% raw material vs ferromanganese;
Low harmful trace element: Strict Se/P control, avoid cold/hot brittleness of finished steel and battery capacity attenuation;
Diversified customization: Flake/ultra-fine powder, low-Se special grade for lithium industry;
Stable batch: Full-process electrolysis parameter monitoring, small component fluctuation between batches.

Application fields

Steel smelting:

It is an important alloying element in the production of stainless steel, high-strength low-alloy steel, etc. It can improve the strength, toughness, wear resistance and corrosion resistance of steel. It can also be used as a deoxidizer and desulfurizer to reduce the oxygen and sulfur content in steel and improve the quality of steel.

Nonferrous metallurgy:

It is used to manufacture aluminum-manganese alloy, copper-manganese alloy, etc. It can enhance the corrosion resistance and other properties of the alloy in aluminum-manganese alloy, making aluminum-manganese alloy a modern light and beautiful building material, decorative engineering material and anti-corrosion support material for underground engineering.

Electronic industry:

Electrolytic manganese flakes are processed into powder and are the main raw material for the production of manganese tetraoxide. The magnetic material components widely used in the electronics industry are produced with manganese tetraoxide, such as various inductors, transformers, magnetic heads, etc.

Other fields:

It is an important element of welding rods, ferrites, and permanent magnet alloys. In pharmaceutical chemicals, it is an indispensable raw material for the production of many manganese salts. The newly developed vibration damping alloy also requires electrolytic metal manganese.

electrolytic manganese flakes

FAQ

Q1: How to select Mn99.5 vs Mn99.7?

A: Mn99.5 cost-effective for regular carbon steel, common Al alloy & manganese salt; Mn99.7 low impurities for 304 stainless steel, electronic Mn₃O₄ & automotive alloy; ultra-low Se Mn99.8 for lithium cathode raw material.

Q2: Why control Se content strictly?

A: Excess Se leads to lithium battery capacity attenuation; our Mn99.7≤0.1%, custom low-Se ≤0.03% available for battery-grade orders. Q3: Can customize powder mesh & low impurity grade?

A: Yes, adjust granularity and Se/P/C index per client's production requirement.

Q4: Standard delivery time?

A: In stock:7~15 working days; customized production:20~30 days.

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