Rajhans Refractories Kalighat, Kolkata, West Bengal

  • Insulation Bricks

    Insulation Bricks

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    These bricks are manufactured by the sawdust process using selected grades of china clay and kyanite for hot face as well as back up applications. Particularly notable is the HFK brick, which is one of the most economical insulations in its classification temperature. Rajhans also manufactures high CCS insulation tiles, RHR HSI for glass melter bottom and can supply the same in any size. This range of bricks has been entirely developed through indigenous research and is formed by the vibro-casting method. Vibro-casting ensures extremely low thermal conductivity and proportionately high strength. These bricks are engineered for cold face as well as hot face applications and can withstand temperatures of upto 1500°C. Tailor made solutions for kilns and furnaces based on vibro-cast bricks can be forwarded with cost benefit analysis in terms of energy savings.High Alumina insulationsThis range of insulation bricks have alumina content extending upto 95% alumina and are mostly use for applications starting from 1500°C.These products are distinguished by their pure chemistry, high hot strength and excellent volume stability in service. Especially notable are bubble alumina based bricks.

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About the Company

  • Primary Business Retailer
  • Secondary Business Type Manufacturer / Exporters / Wholesale Suppliers

Opening Hours

  • SUN : Closed
  • MON : 9:30 AM - 6:30 PM
  • TUE : 9:30 AM - 6:30 PM
  • WED : 9:30 AM - 6:30 PM
  • THU : 9:30 AM - 6:30 PM
  • FRI : 9:30 AM - 6:30 PM
  • SAT : 9:30 AM - 6:30 PM
We started of as a tiny refractory unit in 1973 with a capacity of 10000 tons per annum, at a time when Bokaro Steel Plant (a unit of SAIL) was under commissioning and there was a potential of huge growth in Steel Sector necessitating the growth of Refractory Industries to meet the demand of quality.
Our Objectives Include:-
Delivery of right products and services within specified time.
Reduction in the recycle process to minimum level.
Maintenance of 0% customer complaint.
From that date till today we are on our way to achieve a production capacity of 0.1 million tons per annum by 2015.In our journey from a humble start in 1973, we have emerged as one of the largest and best technologically sophisticated plant by our constant research, development and up gradation as required. We have developed more than 10 import substitute products for Bokaro Steel Plant, Bhilai Steel Plant and Vizag Steel Plant.
In the last four decades, we have continuously expanded our capacity by adding modern and sophisticated equipments.
In 1987 we installed GAS FIRED 1550 degree Celsius Chamber Kiln.
We have also renovated and modernized our Mill House in 1989-90 and the modernization is still continuing for more sophistication.
In 2001-03 we added Tunnel Kiln No-1, No-2 and now No-3.
In 2006, to improve our pressing capacity, we have added various numbers of 1200T, 800T, 600T presses and a number of other presses.
In 2013 we developed state of the art laboratory and a brand new workshop.
At Rajhans Technological Development is a continuous process and quality is the cornerstone of different types of operations. The Company’s technical focus has made company stand tall as one of the leading Refractory supplier to diverse sectors.
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Contact Information

Rajhans Refractories

  • Rajhans Refractories
  • Sree Niketan Apartment, 19 D Mahim Halder Street, P.S. Kalighat,, Kolkata, West Bengal
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