What Mineração Curimbaba does

Mineração Curimbaba is a privately held Brazilian mining and mineral processing company headquartered in Poços de Caldas, Minas Gerais, Brazil. Founded in 1961, the company operates in the industrial minerals sector and reports a workforce in the 1,001-5,000 range, indicating a mid-sized industrial operation with substantial production capacity.

The company's core product portfolio consists of sintered bauxites, activated bauxites, refractory clays, and proppants. These are processed industrial mineral inputs rather than raw ore: sintering and activation are thermal/chemical processes applied to bauxite to produce high-density, high-refractoriness materials used in steelmaking, foundry, and abrasive applications, while proppants are engineered granular materials used in hydraulic fracturing for oil and gas extraction. Refractory clays serve high-temperature lining applications in furnaces, kilns, and other thermal industrial equipment. The combination of product lines positions the company across refractories, oilfield services, and specialty industrial materials end-markets.

Mineração Curimbaba's business model is an industrial B2B model selling processed mineral products into commodity-adjacent industrial supply chains. However, the input data is sparse: revenue is not disclosed, no named customers, no pricing, no channel structure, no ownership/parent company information, no management team details, no certifications, and no partnership or M&A history are available. The company website (curimbaba.com.br) returned only a verification screen during data collection. Consequently, the go-to-market mechanics, customer segment mix, geographic reach, and revenue model specifics cannot be triangulated from the provided sources.

Name

Mineração Curimbaba

Website

https://curimbaba.com.br

Company type

Private

Founded year

1961

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

Mineração Curimbaba is a privately held Brazilian industrial minerals producer founded in 1961, headquartered in Poços de Caldas, manufacturing sintered and activated bauxites, refractory clays, and proppants for refractories, oilfield services, and specialty industrial customers.

Ownership category

akta.pro rank

Headquarters

HQ city

Poços De Caldas

HQ country

Brazil

HQ region

Latin America

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Operations, Supply Chain, Personnel, Infrastructure, Others

Core offering

Mineração Curimbaba is a Brazilian mining company that produces sintered and activated bauxites, refractory clays, and proppants. These mineral-based industrial materials serve applications in foundry, steelmaking, ceramics, and oil and gas industries. The company has been operating since 1961 from its base in Poços de Caldas, Brazil.

Differentiator

Problem solved

Functional benefit

Products and services

• Sintered Bauxite
• Activated Bauxite
• Refractory Clays
• Proppants

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Direct peers

• Imerys: French-listed global specialty minerals leader with a large refractories and high-temperature solutions portfolio (including fused alumina and ceramic proppants via brands like Imerys Carbonates and Calderys). Highly comparable to Curimbaba across both bauxite-derived products and refractory raw materials.
• Almatis: Private global producer of specialty alumina and bauxite-based products serving the refractories, ceramics, and polishing/abrasives markets — direct overlap with Curimbaba's sintered bauxite, calcined alumina, and refractory clay lines.
• Kerneos (Imerys Aluminates): Specialty calcium aluminate cements and fused alumina producer (now part of Imerys) serving construction, refractory, and wastewater treatment markets. Highly comparable to Curimbaba's specialty industrial mineral offering in sintered and activated products.
• Ashapura Minechem: Indian-based mining and processing company producing bauxite, bentonite, and refractory-grade minerals. Compares closely on bauxite mining and downstream industrial mineral processing serving refractories and oil & gas applications.
• Magnezit Group: Russian integrated producer of magnesia-based refractories and refractory raw materials serving steel, cement, and non-ferrous industries. Compares on the mining-and-processing-of-refractory-raw-materials model Curimbaba operates.
• Calderys: Global refractory solutions provider (now majority-owned by Imerys) supplying monolithic refractories, calcium aluminate binders, and shaped products to steel, cement, and foundry customers — directly overlaps with Curimbaba's refractory clays offering.

Broad incumbents

• HarbisonWalker International: Largest U.S. producer of refractories serving iron, steel, glass, and cement industries. Comparable on the refractory clay and high-temperature minerals end of Curimbaba's portfolio, though HWI is a downstream refractory formulator rather than a raw miner.
• RUSAL: World's largest aluminum producer outside China, with vertically integrated bauxite mining operations. Overlaps with Curimbaba on bauxite extraction and processing, though RUSAL is primarily focused on metallurgical alumina rather than specialty industrial grades.
• Resco Products: U.S.-based manufacturer of refractory products including monolithics, bricks, and precast shapes for steel and industrial markets. Adjacent to Curimbaba via shared refractory end markets, though more downstream/formulated.
• Hindalco Industries (Aditya Birla Group): Indian integrated aluminum and copper major with large captive bauxite mining operations. Comparable on bauxite extraction scale and vertical integration, though Hindalco's bauxite is largely for metallurgical alumina rather than specialty industrial applications.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat2 records

Key risks5 records

Key highlights5 records

Customer concentration

• LinkedInlinkedin.com/company/mineracao-curimbaba

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Mineração Curimbaba