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pic1.gif (132 bytes) Refractories for Glass Making
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glass productsAs a leading supplier of Glass plant refractories with an emphasis on continuous development, Maithan offers a wide range of products from the conventional to the highly sophisticated for the demanding environments of glassmaking. The product portfolio includes Fireclay,High Alumina,Basic, Mullite,  Zircon-Mullite,Zircon, MonolithicInsulation refractories for direct glass contact, backup & heat containment applications. Maithan also possess the infrastructure to machine bottom blocks & feeder channels and can provide the same in six-face ground zero tolerance quality with pre-assembly for ease of laying at site.

Refractory solutions

Melter:

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Area

Soda lime glass

Borosilicate glass

. Crown . .. Fused mullite MCL MULLD
. Top paving/Sidewall Zircon mullite MCL ZM5725 Zircon mullite MCL ZM5725
Dense zircon MCL ZIR65 Dense Zircon MCL ZIR65
. Sub layer Zircon ramming mass MCL RAM ZS Zircon ramming mass MCL RAM ZS
. Sub paving Dense Zircon MCL ZIR65 Dense Zircon MCL ZIR65
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Carrier

Sillimanite blocks

MCL SILL/62/62D

Sillimanite blocks

MCL SILL/62/62D

Chamotte blocks MCL 40D/42D Chamotte blocks MCL 40D/42D
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Bottom insulation

High strength insulation

Maithan HSI

High strength insulation

Maithan HSI

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Superstructure

Zircon mullite

MCL ZM5725/7020

Zircon mullite

MCL ZM5725/7020

Andalusite MCL 65AD/62AD Andalusite MCL 65AD/62AD
... ... Dense Zircon MCL ZIR65
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Superstructure/
sidewall backup

Conventional insulation

Maithan HFK

Conventional insulation

Maithan HFK

Special insulation Maithan P80 Special insulation Maithan P80
 
Regenerator:
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Area

Soda lime glass

Borosilicate glass

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Top checkers

Low Iron magnesite

MCL MGIS IV
MCL SPL

Zircon mullite

MCL ZM5725

Zircon mullite MCL ZM5725 Fused mullite MCL MULLD
Fused mullite MCL MULLD .. ..
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Middle checkers

Low iron magnesite

MCL MGIS IV
MCL MGIS III

Zircon mullite

MCL ZM5725

Mullite MCL MULL Fused mullite MCL MULLD
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Bottom checkers

Low iron magnesite

MCL MGIS III
MCL MGIS II

Andalusite

MCL 65AD/62AD

Andalusite MCL 65AD/62AD .. ..
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Wall and crown

Low iron magnesite

MCL MGIS III
MCL MGIS II
MCL MGIS I

Andalusite

MCL 65AD/62AD

Andalusite

MCL 65AD/62AD .. ..
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Port lining

Zircon mullite

MCL ZM5725

Zircon mullite

MCL ZM5725

Andalusite MCL 65AD/62AD Fused mullite MCL MULLD
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Rider arch

Sillimanite

MCL 62SD

Sillimanite

MCL 62SD

Andalusite MCL 62AD Andalusite MCL 62AD
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Wall backup

Special insulation

Maithan P80

Special insulation

Maithan P80


feeder channel assemblyForehearth

Shapes for higher life can be chosen from the following in either pressed or vibration cast qualities:

 

 

Zircon mullite

MCL ZM 5725/7020

Dense Zircon

MCL ZIRCON 65

Fused mullite

MCL MULLD

Monolithics for specialized applications:

Brick Laying:

Mullite bricks
Zircon mullite bricks
Zircon bricks

MCL 80 SPL
MCL ZMM
MCL ZSM

Hot repairs:

Zircon patch
Zircon mullite patch
Zircon ramming mass

MCL ZS
MCL ZM
MCL RAM ZS

Zero tolerance blocksmelter bottom assembly

For the first time in India, Maithan supplied six-face ground, zero tolerance blocks for the melter bottom. These blocks can be manufactured in chamotte, sillimanite and zircon-mullite qualities, pre-assembled and individually marked before dispatch. Some of the advantages of using our machined blocks are:

  • Mortarless joints for higher furnace life
  • Faster furnace construction with saving in manpower and capital costs
  • Faster inspection and delivery

Specialized products

In tune with the advancements in glassmaking, we have been able to indigenously develop and market import substitutes to the Indian market. Some of our milestones have been:

  • Zero tolerance diamond finished blocks.
  • Sintered AZS bricks for direct glass contact.
  • Low alkali bricks with 0.3% total alkali content.
  • High Alumina bricks made with sintered / fused mullite.
  • High strength insulation blocks for glass tank bottom.
  • High purity magnesite bricks upto 98% MgO and 0.2% Fe2O3.
  • Spall resistant low cost Forsterite bricks for regenerators.
  • Chimney blocks for regenerators.
  • Precast-prefired feeder channel blocks, forehearth assembly, feeder cover etc.

For some of the ground breaking glass projects in India, Maithan’s products have been tested and endorsed by Corning, USA and Asahi Glass, Japan.

 

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