AboutRaasi Refractories Ltd
Established in 1981, Raasi Refractories Limited (RRL) is a leading manufacturer and developer of high-quality refractory bricks and allied products. RRL manufactures high-quality refractory bricks and allied products for a wide range of applications in iron, steel, cement, non-ferrous, induction furnaces, petrochemical, fertiliser, power, aluminium and other related industry sectors. Raasi is the only publicly traded company in the sector in India.
RRL's wide range of refractory bricks and allied products include fire clay bricks, high alumina bricks, high alumina mortars, dense alumina bricks, magnesia carbon bricks, mortars and spinel bricks, direct bonded basic bricks, silica bricks, basic monolithics, spraying masses, pre-cast shapes, zircon mortars, patch ramming masses and dense castables.
FIRE CLAY BRICKS
RRL offers a wide range of high-quality fire clay bricks used in reheating furnace bricks, fire clay bricks for steel casting pits, boilers, coke oven bricks, blast furnaces, induction furnaces, kilns, ladles, foundries, boilers, combustion chambers, etc.
The fire clay bricks have Al2O3% raging from 34 to 47, Fe2O3% ranging from 1.5 to 2.0, and apparent porosity percent ranging from 16 to 25.
HIGH ALUMINA BRICKS
Our high alumina bricks are used in steel refining furnaces, glass tanks, ceramic kilns, enamel kilns, rotary cement kilns and other various kilns and furnaces. The high alumina bricks have Al2O3% ranging from 50 to 99, Fe2O3% ranging from 0.2 to 3.0, and apparent porosity percent ranging from 15 to 23.
SPECIAL BASIC REFRACTORY
RRL supplies a wide range of refractory products that include alumina chrome refractory, alumina carbon refractory, alumina magnesia carbon refractory, dense magnesite chrome refractory, direct bonded magnesite chrome refractory, chrome magnesite bricks and magnesite alumina bricks.
These special basic refractory products are used in OHF side walls, reheating furnaces, high temperature positions in rolling reheating furnaces, EAF roofs, rotary furnace linings, and harsh abrasive positions by billets in forges, hearth furnaces, antinomy furnaces and AOD working linina.
MAGNESIA CARBON BRICKS
The magnesia carbon bricks have a wide range of applications that include LD converter wear lining, VAD / LF ladle slag areas, ladle bottom impact UHP / EBT-EAF slang line and hotspot areas. The variety of magnesia carbon bricks offered includes normal density magnesia carbon bricks, metal line magnesia carbon bricks for steel ladles and slag line magnesia carbon bricks for steel ladles.
MAGNESITE, MAGNESITE CHROME AND CHROME BRICKS
RRL supplies a wide variety of magnesite bricks, dense magnesite bricks, low iron magnesite bricks, chrome bricks and magnesite chromes bricks used in back up lining bricks for EAF, ladles, converters chemically bonded with steel clad, glass regenerators, OH roofs and EAF free boards.
The company supplies silica normal bricks for general purpose, coke ovens and silica dense bricks for coke ovens.
BASIC MORTARS, RAMMING FELTING AND PATCHING MASSES
The basic mortars, ramming felting and patching masses are used for laying magnesite bricks, mag bricks, chrome mag bricks, chromite bricks and as neutral layers between silica and basic bricks.
RRL supplies mag-chrome patching mass for worn out portion of induction furnaces, magnesite ramming mass for hot cold repair of furnaces and magnesite felting material for repair of furnaces.
RRL offers fireclay and high alumina mortars that are used for general mortar purpose, sillimanite mortar and low iron content mortar applications. The company also offers a wide range of high alumina, zircon mortars, patch ramming masses and plastic materials used in a wide range of applications.
The company has a huge production facility spread over 100 acres and equipped with state-of-the-art manufacturing facilities. The company has a production capacity of 70,000t of fired bricks, unfired bricks and 15,000t of monolithics.