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Abrasives
Abrasives are products used for material removal, polishing and
finishing across a variety of applications. They find application
in a host of industry segments, the principal being fabrication,
automobiles, auto components, construction, woodworking and general
engineering industries.
Carborundum Universal Ltd (CUMI) manufactures 20,000
varieties of coated and bonded abrasives, super refractories, electrominerals,
besides industrial ceramics and ceramic fibres.
Abrasives (bonded abrasives, coated abrasives and
allied products) constitute the company's largest business segment,
contributing 72 per cent of revenue in 2005-06.
Bonded abrasives
Mainly available as grinding wheels, its applications range from
metal removal to finishing. User industries comprise automobiles,
construction, fabrication, steel and bearings etc.
Coated abrasives
Mainly used in light polishing applications, coated abrasives' principal
use is in the Building and painting, automobiles, white goods, tannery
and plywood industries. Other coated products comprise scrubber
pads, sandpaper, water proof paper, belts, discs etc.
Ceramics
The ceramics (industrial ceramics, super refractories and bio ceramics)
business segment contributed 18 per cent of total revenues in 2005-06.
The company’s ceramics division manufactures wear resistant
and heat resistant products like industrial and capital consumables.
This has translated into two product lines.
Industrial ceramics are high alumina ceramic products.
These are used as grinding media, wear resistance products, liners
and engineered ceramics. Its principal user industries are coal
washeries, ceramic tile, power distribution equipment, power generation,
cement and fluid handling.
Ceramic materials that are specially developed for
use as medical and dental implants are termed bioceramics. They
include alumina and zirconia, bioactive glasses, glass ceramics,
coatings and composites, hydroxyapatite and resorbable calcium phosphates
and radiotherapy glasses.
Super refractories
Refractories are heat resistant and containment
products. Super refractories represent high-end grades that can withstand
extreme temperatures. The division has two broad product offerings:
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Bonded or shaped
refractories |
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Monolithic or powdered
range of refractories |
The division caters to high temperature applications
in the ceramic, non-ferrous, cement, iron and steel, fertiliser,
carbon black, glass and chemical processing industries.
Electrominerals
Electrominerals business segment (brown fused alumina grains, white
fused alumina grains and silicon carbide grains) supplies a significant
portion (nearly 44 per cent during 2005-06) of its production to
the abrasives and ceramics business segments. External sales contributed
10 per cent of total revenues in 2005-06. Electrominerals are aluminium
oxide / silicon carbide grains. These are the basic raw material
for manufacture of abrasives and refractories.
For more information, please see
www.cumi.murugappa.com
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