What Kalenborn does

Kalenborn International GmbH & Co. KG is a privately held German industrial manufacturer, headquartered in Vettelschoß and tracing its origins to 1924, that develops and produces custom-fit wear protection linings, materials, and pipe systems for heavy-industry plant components subjected to abrasion and impact wear. Its portfolio spans proprietary formulations including high-performance concrete compounds (KALCRET family), fused cast basalt (ABRESIST), zirconium corundum and high-alumina ceramics (KALCOR, KALOCER), silicon carbide ceramics (KALSICA), hard overlay welding alloys (KALMETALL), slide-promotion thermoplastics (KALEN), composite hard-material/rubber systems (KALIMPACT), epoxy-bonded compounds (KALPOXY), and hard castings (KALCAST), plus engineered pipe systems including relinable GREEN pipes that reduce pipe carbon footprint by approximately 70%.

The company sells engineered solutions — not commodity materials — through an enterprise field-sales motion in which in-house engineers collaborate with customers to design application-specific linings, then deliver materials, prefabricated components, on-site installation, and supervision services. It reaches customers via wholly-owned subsidiaries in the USA, Brazil, Poland (including the OSW foundry), France, Vietnam, and the Philippines, supplemented by its Vettelschoß manufacturing base for ceramic, basalt, and metallic production. Revenue is generated from one-off materials sales, pre-lined piping systems, and professional engineering/installation services on a custom, project-by-project basis; pricing is not publicly disclosed.

Kalenborn serves enterprise customers across at least 13 industry verticals, with primary exposure to cement, steel, mining, and power generation, and secondary exposure to chemicals, glass, water/wastewater, recycling, marine, food and beverage (notably sugar beet processing), pulp and paper, renewable energy/polysilicon, OEM/EPCs, and logistics. Documented customers include a leading Estonian shale oil producer, a leading US chemical company, a Southern France cement manufacturer, a Polish cement plant, a German EAF steel producer, a North African steel manufacturer (5.8 million tonnes/year), a Brazilian steel producer near Rio de Janeiro, a Turkish brown-coal power plant operator, the 1,800 MW Vinh Tan 4 power plant in Vietnam, a major Brazilian mining company (250-tonne dump truck fleet), a German pump manufacturer, and polysilicon producers. Leadership consists of Managing Directors Dr. Conrad Mauritz and Markus Buscher, operating through general partner Kalprotect GmbH.

Name

Kalenborn

Legal name

Kalenborn International GmbH & Co. KG

Website

https://kalenborn.com

Company type

Private

Founded year

1924

Operating status

Operating

Headcount range

501–1,000 employees

Short description

Kalenborn is a 100-year-old German industrial manufacturer of proprietary wear protection linings, ceramic, basalt, and metallic materials, and engineered pipe systems sold engineering-led to cement, steel, mining, and power generation customers through wholly-owned subsidiaries in the Americas, Europe, and Asia.

Ownership category

akta.pro rank

Product category

Industrial Wear Protection Materials

NAICS

Fabricated Pipe and Pipe Fitting Manufacturing (332996), Boiler, Tank, and Shipping Container Manufacturing (3324)

SIC

Construction, Mining & Materials Handling Machinery & Equip (3530), Paints, Varnishes, Lacquers, Enamels & Allied Prods (2851)

akta.pro primary industry

Wear Parts & Consumables (Liners, Mantles, Hammers) (IMAHAMAK)

akta.pro secondary industry

Refractory, Furnace & Kiln Maintenance Services (IMAIACAG)

Keywords

• Industrial wear protection
• Abrasion resistant linings
• Ceramic pipe systems
• Wear protection materials
• Protective lining manufacturing

Headquarters

HQ city

Vettelschoß

HQ country

Germany

HQ region

Europe

Offices8 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Personnel, Technology or R&D, Infrastructure, Marketing or Sales

Revenue model

1. Wear Protection Materials Sales: Manufacturing and sale of proprietary wear-resistant materials including ceramics, basalt, metallic compounds, and engineering plastics. Products sold as materials for lining, prefabricated components, and molded parts.
2. Wear Protection Pipe Systems: Pre-lined piping components and systems ready for installation in industrial plants.
3. Engineering and Installation Services: Custom engineering solutions, on-site installation, supervision, and maintenance services for wear protection systems.

Go-to-market motion1 record

Distribution channels2 records

Marketing channels6 records

Core offering

Kalenborn develops and manufactures custom-fit wear-resistant materials, pre-lined piping systems, and engineered linings that protect industrial plant components against abrasion and impact wear. Its portfolio spans fused cast basalt, zirconium corundum and high-alumina ceramics, silicon carbide, hard-overlay welding, hard casting, epoxy-bonded compounds, slide-promotion plastics, and composite hard-material/rubber systems, supplemented by engineering, installation, and supervision services.

Product overview

Kalenborn develops and manufactures custom-fit linings and wear-resistant materials for the protection of industrial plants against abrasion and impact wear. The portfolio consists of three interconnected product categories: (1) Wear-resistant materials including ceramics (KALOCER, KALSICA, KALCERAM, KALCOR), basalt (ABRESIST), metallic compounds (KALMETALL, KALCAST, KALPOXY), polymers (KALEN, KALIMPACT), and compounds (KALCRET including new ANX entry-level variant); (2) Wear-resistant pipe systems including ABRESIST pipes, KALCOR pipes, KALOCER pipes, KALMETALL pipes, GREEN pipes (relinable with 70% carbon reduction), and KALFLEX flexible hose systems; (3) Wear protection systems for industrial plants. The company uses special processes for lining so that plant components can be reused, saving steel construction resources and reducing CO2 emissions.

Differentiator

Problem solved

Functional benefit

Brands

• KALCRET: High-performance concrete wear protection material
• ABRESIST
• KALCOR
• KALOCER
• KALSICA
• KALCERAM
• KALPOXY
• KALIMPACT
• KALCAST
• KALMETALL
• KALEN
• KALFLEX
• KALDETECT
• GREEN Pipes

Products and services

• KALCRET High-performance cement-bound concrete wear protection compound used for lining plant components and pipe systems against abrasion and impact wear. Available in multiple formulations (e.g., BNX for cyclone separators) and supplied as trowel-applied compound or prefabricated molded parts for industrial customers in cement, steel, power, and related heavy industries.
• KALCRET ANX Entry-level trowelable KALCRET hard compound variant for plant components and pipe systems, offering wear resistance up to 400°C with a strong price/performance ratio. Packaged in 25 kg containers or supplied as prefabricated molded parts for industrial lining applications.
• ABRESIST
• KALCOR
• KALOCER
• KALSICA
• KALCERAM
• KALPOXY
• KALMETALL
• KALEN
• KALIMPACT
• KALCAST
• GREEN Pipes (Relinable)
• KALFLEX
• ABRESIST Pipes
• KALCOR Pipes
• KALOCER Pipes
• KALMETALL Pipes
• Engineering, Installation, and Supervision Services

Quantifiable outcome

• GREEN pipes reduce carbon footprint of pipes by 70%
• +3 more outcomes

Named customers13 records

Segments14 records

Ideal customer profiles6 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature9 records

Partnerships

Seven partnerships are on record, tiered core and minor.

• Kalenborn USAcoreChannel Partner/ Reseller/ DistributorWholly-owned US subsidiary handling North American sales, distribution, and project execution for wear protection solutions. Serves as primary distribution channel for US market.
• Kalenborn do BrasilcoreChannel Partner/ Reseller/ DistributorWholly-owned Brazilian subsidiary handling South American sales and project execution. Has completed major projects for steel producers and mining companies in Brazil.
• Kalenborn Poland (including OSW Odlewnia Świdnica)coreChannel Partner/ Reseller/ DistributorPolish subsidiary including OSW foundry operation for metallic wear protection components. Handles Central/Eastern European market.
• Kalenborn FrancecoreChannel Partner/ Reseller/ DistributorWholly-owned French subsidiary serving French market for wear protection solutions.
• Kalenborn VietnamcoreChannel Partner/ Reseller/ DistributorVietnamese subsidiary handling sales in Vietnam and Southeast Asia. Has completed major projects for Vietnamese power plants including Vinh Tan 4.
• Kalenborn PhilippinesminorChannel Partner/ Reseller/ DistributorPhilippines subsidiary handling sales in Philippine market.
• KLH WerbeagenturminorImplementation/ SI/ Consulting PartnerAdvertising agency based in Oberwillscheider Weg 9, 53560 Vettelschoß providing website design and marketing services.

Scale indicators6 records

Recent moves5 records

Expansion highlights5 records

Emerging players

• CoorsTek: CoorsTek is a global manufacturer of technical ceramics serving industrial, semiconductor, and heavy-industry applications with wear-resistant ceramic components. Comparable to Kalenborn's KALCOR, KALOCER, and KALSICA high-temperature ceramic offerings, though CoorsTek serves a broader industrial ceramics portfolio.
• Tega Industries: Tega Industries is an Indian-headquartered specialist in polymer and rubber-based mill liners, screening media, and wear liners for mining and mineral processing. Comparable to Kalenborn as a specialist in wear-protection consumables but with stronger focus on polymer/rubber liners versus Kalenborn's ceramics and basalt portfolio.

Broad incumbents

• FLSmidth: FLSmidth is a leading supplier of equipment and services to the global cement and mining industries, with extensive wear-protection offerings inside its cement plant product line. Comparable to Kalenborn in cement vertical linings and wear solutions but competes as a full-line plant supplier rather than specialty liner specialist.
• Metso: Metso is a global incumbent in mining, aggregates, and metals processing equipment, with a sizable wear parts and aftermarket business. Comparable to Kalenborn in mineral processing wear parts but operates at much broader scale across full equipment lines, not just linings.
• Saint-Gobain (Industrial Ceramics): Saint-Gobain's industrial ceramics and high-performance materials divisions produce ceramic wear linings and refractory products for heavy industries. Comparable to Kalenborn's KALOCER and KALSICA ceramic lines as an incumbent with broader portfolio reach across construction and industrial markets.

Direct peers

• Multotec: Multotec is a South African specialist in mineral processing wear products including ceramic and polyurethane screening media, cyclones, and wear linings. Comparable to Kalenborn as a focused wear-protection supplier serving mining and heavy industries globally, with comparable custom-engineered solutions approach.
• Magotteaux: Magotteaux is a Belgian-founded specialist in wear-resistant castings and grinding media for mining, cement, and aggregate industries. Directly comparable to Kalenborn as both produce proprietary abrasion- and impact-resistant materials (ceramics, alloys, castings) for the same heavy-industry verticals.
• Weir Group (Weir Minerals): Weir Minerals is a global leader in mining and infrastructure wear-resistant equipment, pumps, and aftermarket parts. Directly comparable to Kalenborn as both serve mining, mineral processing, and aggregate customers with wear parts and liners, though Weir is significantly larger and more diversified.
• Bradken: Bradken is a leading manufacturer of wear-resistant cast products and engineered solutions for the mining, resources, and infrastructure sectors. Directly comparable to Kalenborn as a specialist supplier of mill liners, ground engaging tools, and wear materials serving cement, mining, and heavy industry.
• ESCO Group: ESCO Group is a Portland-based specialist in wear-resistant cast products and ground engaging tools for mining, construction, and industrial markets. Comparable to Kalenborn's KALCAST and KALMETALL product lines in producing wear parts for excavators, loaders, and material handling equipment.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/channel/UCy5Y9pCMk-8ML-iw_NNew1g
• LinkedInlinkedin.com/company/kalenborn

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Subsidiaries8 records

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 Kalenborn