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OUR DNA

Our team reflects our DNA, composed of teamwork, innovation, and development. We celebrate every achievement and know that they are the result of the dedication of everyone in our teams.

Milestones in our history

Magnesium has been operating for over 70 years with the exploration and processing of magnesite of Magnesium's own origin, located in the state of Ceará.

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  • 1905 Founded in 1905 by german Germano Paulo Franck, after finding mineral wealth in the soil while building railways in the Amazon region.
  • 1955 In 1955, Magnesium acquired its first furnaces
  • 2004 In 2004, it adopted AZBE Technology.
  • 2013 In 2013, the Roullier Group acquired 50% of MdB, in an equal partnership between Hermano Franck and the Group.
  • 2015 In 2015, Magnesium acquired the third AZBE kiln and a Polysius kiln.
  • 2021 In 2021, Magnesium do Brasil was fully acquired by the Roullier Group.
  • 2022 In 2022, the construction of the Rotary Kiln and other expansion projects began.
  • 2024 In 2024, the Rotary Kiln was inaugurated.

INNOVATION WITH RESPONSABILITY

We generate value through product and process innovation. We are committed to the continuous search for innovative solutions to improve our activities and the efficiency of our products.​

CMI

Magnesium makes up the Roullier World Innovation Center, which has existed since 2015 to be a vector of sustainable growth, through openness to the international scientific community and attention to the specific expectations and needs of the field to propose new solutions.

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TAKING CARE OF OUR WORLD

We are committed to social, economic and environmental responsibility, seeing development as our source of personal and professional satisfaction. This way we take responsibility not only for our individual progress, but also for the well-being of our company and those around us.

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SECURITY

We work and act safely in all our technical, operational and strategic decisions. We preserve the value of our company, our people and society.

To ensure safety in all areas of our daily lives, we have a secure channel for complaints involving safety, environment, quality or harassment.

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“Magnesium do Brasil represents an environment of opportunity and growth for me. Its culture values innovation and collaboration, providing a space where I can contribute and evolve professionally.”

Iana Lucena

Human Resources
“I am very proud to be part of Magnesium do Brasil! Sharing the values that are non-negotiable here and believing in the culture of "growing together" inspires me on a daily basis. What's more, the environment encourages us to put new ideas into practice, to overcome challenges, to be great!”

Wendel Araújo

Logistics
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COLLABORATE FOR GROW

We are always ready to support and learn from each other on a daily basis. At every step, we value integrity and ethics, acting with responsibility and dedication.

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Come grow with us

We are looking for incredible talent to join our team

Already a collaborator?

Access our Intranet and check out our materials aimed at individual growth

Magnesium oxide

Magnesium oxide is the result of calcining raw magnesite (magnesium carbonate) in a vertical or horizontal furnace at an average temperature of 900oC, resulting in products with up to 92% MgO content.

Magnesium has two Magnesium Oxide lines known as CCM M and CCM P, which have a wide range of grain sizes, with sieved and ground materials.

Active Magnesium: 200 mesh; 325 mesh 53% – 55%

Packaging: 25kg sack with pallet and Big Bag up to 1.350Kg

Magnesium carbonate

Magnesium carbonate is a chemical compound with the formula MgCO3. Magnesium has two lines of Magnesium Carbonate known as MAG - M and MAG - P, which have a wide range of particle sizes.

Purity content: 42% – 45% Magnesium Oxide (MgO)

Magnésio Ativo: 25% – 28%

Sintered magnesium oxide

Sintered magnesium oxide is the result of the sintering process of raw magnesite (magnesium carbonate) at a temperature of 1800oC. Our products are the result of single firing in vertical furnaces. Our Sintered Magnesium Oxide product lines are known commercially as DBM M and DBM P and have an MgO content of up to 94%.

Granulometry Sieved: 0,0 a 0,2mm; 0,2 a 0,5 mm; 0,5 a 1,0 mm; 1,0 a 2,0 mm; 2,0 a 3,0 mm; 3,0 a 4,0 mm

Granulometry Ground: 200 mesh; 325 mesh

Density: 2,95g/cm3 e 3,05g/cm3

Packaging: Big Bag de até 2.000Kg, Sacos de 25Kg c/ pallet e Granel

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