Carborundum Universal
Carborundum Universal is an Indian industrial materials and engineered-products company specializing in abrasives, ceramics, refractories and electro minerals.
Last updated October 14, 2026
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Overview
Carborundum Universal, commonly known as CUMI, is an Indian industrial manufacturing company and a member of the Murugappa Group. Its principal activities cover abrasives, industrial ceramics, super refractories, electro minerals, polymers, adhesives and selected equipment and engineering products. The company serves industries that require controlled material removal, surface finishing, wear resistance, thermal containment, high-temperature insulation and specialized ceramic or mineral inputs. CUMI originated from the Murugappa Group's diversification beyond banking and cycle manufacturing. In 1950, the group entered a technical and commercial association with Carborundum UK, itself connected with the American abrasive producer Carborundum, and with Universal Grinding Company of the United Kingdom. This collaboration created Carborundum Universal of Madras. The business was subsequently incorporated under the name Carborundum Universal Ltd in 1954. The company's initial purpose was to manufacture core products for its international collaborators, but it gradually developed its own manufacturing base and product portfolio. It entered bonded abrasives after acquiring a facility from Ajax Products in Chennai and later expanded through coated abrasives, electro minerals, industrial ceramics and refractory products. Over time, CUMI moved from being primarily an abrasives producer toward a broader engineered-materials platform, combining manufacturing, mineral processing, technology partnerships, distribution and selected infrastructure activities. Abrasives remain a central business area. CUMI's portfolio includes bonded and coated abrasives, grinding wheels, thin wheels, abrasive rolls, non-woven wheels, super abrasives and other products used for cutting, grinding, polishing, deburring and finishing. Its ceramics activities include high-alumina ceramics, reaction-bonded and sintered silicon carbide, zirconia-based materials, aluminium titanate and other wear- or heat-resistant components. These products are used in applications such as industrial wear liners, metallized ceramic components and equipment exposed to demanding thermal or mechanical conditions. The electro minerals business supplies materials used in abrasive and refractory production. Its materials portfolio has included brown and white fused aluminium oxide, silicon carbide, zirconia-related materials, zirconia mullite, alumina bubble and calcined bauxite. The super refractories business provides fired and monolithic refractory products for high-temperature industrial environments. CUMI has also operated in polymers, adhesives, metal-working fluids, power tools, warehouse equipment and material-handling products, including through its CUMI Direct online platform. CUMI built capabilities through joint ventures, technical collaborations and acquisitions. Notable partnerships included a technical ceramics venture with Coors Ceramics of the United States and the establishment of Murugappa Morgan Thermal Ceramics with Morgan Crucible of the United Kingdom. Wendt (India), associated with Wendt GmbH of Germany and the House of Khatau, was merged into CUMI in 1991. International expansion later brought subsidiaries and operating interests in Canada, Australia, China, Russia, South Africa, Cyprus and the Middle East. The company has also participated in mining, power generation and technology-transfer arrangements. Its historical diversification included bauxite and silicon carbide assets, a hydroelectric power plant in Kerala and wind-power capacity. Research and technical relationships have involved organizations including India's National Institute for Interdisciplinary Science and Technology and Bhabha Atomic Research Centre, as well as Pennsylvania State University and Answer Technology in the United States. CUMI's present identity is therefore that of a diversified industrial materials and engineered-solutions group rather than a consumer-facing brand. Its pro…
History
Carborundum Universal was formed during the Murugappa Group's postwar diversification from banking and cycle manufacturing into industrial production. In 1950, the group established a collaboration with Carborundum UK and Universal Grinding Company of the United Kingdom. The resulting enterprise, initially known as Carborundum Universal of Madras, was incorporated as Carborundum Universal Ltd in 1954. The early business focused on abrasive materials associated with the collaborating companies. CUMI expanded its domestic manufacturing base after obtaining a bonded-abrasive facility from Ajax Products in Chennai. It later strengthened its abrasive position through the acquisition of Eastern Abrasives in 1978. The company subsequently broadened its portfolio beyond abrasives into electro minerals, ceramics, refractories, polymers and related industrial products. A major stage in the development of the ceramics business came in 1982, when CUMI and Morgan Crucible of the United Kingdom established Murugappa Morgan Thermal Ceramics. The venture was intended to produce technical ceramic and thermal-insulation products. In 1991, Wendt (India), a joint venture associated with Wendt GmbH of Germany and the House of Khatau, was merged with CUMI. That year, CUMI also established an industrial ceramics division at Hosur, Tamil Nadu, through a technical partnership with Coors Ceramics of the United States. The ceramics platform was later expanded to include metallized ceramic components and additional advanced materials. CUMI continued to consolidate related Indian businesses. In 1997, Cutfast Abrasive Tools, Eastern Abrasives, Cutfast Polymers and Carborundum Universal Investment were merged into the company. The business also acquired or integrated other abrasive operations, including Sterling Abrasives and SEDCO during the early 2000s. These steps supported the development of a broader abrasives and engineered-materials portfolio. Internationalization accelerated during the 2000s. CUMI established CUMI Middle East FZE in Ras Al Khaimah in 2005 and acquired Abrasive Enterprises in Canada for approximately US$2.24 million in 2006. It established CUMI International in Cyprus in 2007 and expanded its overseas manufacturing and sales network through the acquisition or establishment of operations in Australia, China and Russia. In 2007, the company took over Sanhe Yanjiao Jingri Diamond Industrial Company in China and Volzhsky Abrasive Works in Russia. In 2008, it acquired Foskor Zirconia in South Africa, adding to its zirconia and electro-minerals capabilities. Alongside manufacturing expansion, CUMI developed mineral and energy assets. Its historical activities included bauxite mines in Gujarat, a silicon carbide plant at Koratty in Kerala and a brown aluminium oxide grains facility at Edapally in Kerala. The company commissioned a 12-megawatt hydroelectric power plant at Maniyar, Kerala, in 1994 and developed a 5.5-megawatt wind installation at Nallur. These activities reflected an effort to support industrial inputs and diversify the group's operating base. The company also pursued technical collaborations and research relationships. Arrangements included technology transfer with Answer Technology of the United States for advanced monolithics, as well as collaborative work involving India's National Institute for Interdisciplinary Science and Technology and Bhabha Atomic Research Centre and Pennsylvania State University in the United States. Such relationships supported the development of advanced ceramics, refractory materials and other engineered products. CUMI Direct, an online commerce platform introduced in 2005, extended the company's distribution model. The platform offered abrasives, industrial ceramics, electro minerals, refractories, metal-working fluids, power tools, warehouse equipment, material-handling equipment and strapping tools. The company's overall history is marked by a progression from a collaborative abrasives manufacturer to a diversified international industrial-materials business operating across the abrasives, ceramics, refractory and mineral-value chains.
- 2008
South African zirconia acquisition
[1]CUMI acquired Foskor Zirconia in South Africa, adding an overseas zirconia operation to its electro-minerals platform.
- 2007
Expansion into China and Russia
[1]The company expanded its international operations through Sanhe Yanjiao Jingri Diamond Industrial Company in China and Volzhsky Abrasive Works in Russia, while also establishing CUMI International in Cyprus.
- 2006
Canadian acquisition
[1]CUMI acquired Abrasive Enterprises Inc. in Canada, strengthening its international abrasives presence.
- 2005
CUMI Direct and Middle East expansion
[1]CUMI launched the CUMI Direct online industrial-products platform and established CUMI Middle East FZE in Ras Al Khaimah.
- 1994
Hydroelectric power project
[1]The company established a 12-megawatt hydroelectric power plant at Maniyar in Kerala.
- 1991
Expansion into industrial ceramics
[1]CUMI merged Wendt (India) and established an industrial ceramics division at Hosur through a technical partnership with Coors Ceramics.
- 1982
Murugappa Morgan Thermal Ceramics established
[1]CUMI and Morgan Crucible established a joint venture focused on technical ceramics and high-temperature insulation products.
- 1978
Acquisition of Eastern Abrasives
[1]CUMI acquired Eastern Abrasives of Kolkata as part of its expansion in the abrasive-products industry.
- 1954
Incorporation as Carborundum Universal Ltd
[1]The enterprise was incorporated under the name Carborundum Universal Ltd, establishing the corporate entity that later became known as CUMI.
- 1950
Formation of the original collaboration
[1]The Murugappa Group entered an industrial collaboration with Carborundum UK and Universal Grinding Company of the United Kingdom, creating the foundation for Carborundum Universal of Madras.
Products and positioning
A diversified, engineering-led industrial materials supplier combining abrasives, advanced ceramics, refractories and electro minerals with related equipment, process products and technical capabilities.
Industrial abrasives
Abrasives
CUMI's abrasive portfolio includes coated and bonded abrasives, grinding wheels, thin wheels, abrasive rolls, non-woven wheels, porous products and super abrasives. These products support cutting, grinding, stock removal, polishing, deburring and fine surface finishing across metalworking and other industrial applications.
Advanced and technical ceramics · 1991
Industrial Ceramics
The industrial ceramics business produces wear-resistant and heat-resistant components and materials. Its technology range includes high-alumina ceramics, reaction-bonded and sintered silicon carbide, yttria-partially-stabilized zirconia, magnesium- and calcia-stabilized zirconia, aluminium titanate and metallized ceramic products.
Refractory materials
Super Refractories
CUMI's super-refractories activities cover fired refractories and monolithic products designed for high-temperature containment, insulation and process environments. The products serve industrial applications where thermal stability and resistance to severe operating conditions are required.
Industrial mineral inputs
Electro Minerals
The electro-minerals portfolio supplies raw materials used in abrasives, refractories and related engineered products. Materials associated with the division include brown and white fused aluminium oxide, silicon carbide, zirconia, zirconia mullite, alumina bubble and calcined bauxite.
Industrial e-commerce and distribution · 2005
CUMI Direct
CUMI Direct is an online industrial-products platform introduced in 2005. Its listed categories have included abrasives, industrial ceramics, electro minerals, refractories, metal-working fluids, power tools, warehouse equipment, material-handling products and strapping tools.
Brand decisions
2005
Launch of CUMI DirectStrategyBackground
CUMI had developed a broad range of industrial products spanning abrasives, ceramics, refractories, equipment and process fluids.
Action taken
The company introduced an online commerce platform to market and distribute selected industrial products.
Aftermath
CUMI Direct broadened the company's route to market beyond conventional industrial sales channels.
1950
Diversification into abrasive materialsStrategyBackground
The Murugappa Group sought to diversify from banking and cycle manufacturing into industrial production.
Action taken
It formed an international collaboration with Carborundum UK and Universal Grinding Company to establish an abrasive-materials business in India.
Aftermath
The collaboration became the foundation for Carborundum Universal and its later expansion into engineered industrial materials.
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