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Refractory Cement ( High Alumina Cement )

Refractory Cement ( High Alumina Cement )

Mã sp: Refractory Cement ( High Alumina Cement


High Alumina Cement is manufactured by grinding clinkers of calcining bauxite (it’s an aluminium ore) and ordinary lime. In which the total amount of alumina content should not be lesser than 32% and it should maintain the ratio by weight of alumina to the lime between 0.85 to 1.30. Currently these high alumina cement are more popular in countries like United States and United Kingdom.

Advantages of High Alumina Cement:

1. The main advantage is that it can withstand high temperatures, so that it can be used in refractories, foundries and other workshops where high temperatures are involved.

2. The initial setting time is 3 hours than compared to that of ppc cement. And the final setting time of cement is 5 hours.

3. High Alumina Cement evolve great heat when setting so that these cements can be used in colder temperatures.

4. It is highly resistants to even concentrated acids and thereby it is widely used in chemical industries.

5. It sets fast and it attains a strength of 40 N/mm2 in just one day and 50 N/mm2 in three days.

Acid Resistant mortar

Acid Resistant mortar

Mã sp: Acid Resistant mortar

Acid Resistant mortar is used for bonding acide resistant brick and making the acide resistant coating of wall, floor.

Acid Resistant Bricks

Acid Resistant Bricks

Mã sp: Acid Resistant Bricks
We supply of Acid Resistant Bricks, Anti Acid Bricks, Acid Proof Bricks, Anti Abrasion Bricks, Alkali Resistant Bricks, Acid Resistant Tiles, Alkali Resistant Tiles, Acid Resistant Corner Tiles and Support Beams
Product Standard: IS / ASTM / BIS
Product Application: Acid/alkali proof storage tanks, Effluent treatment plants, Pickling plants, Chemical plants, Vessels/reactors, Electroplating plants, Laboratory & heavy duty floors, Fertilizer plants, Cement plants, Thermal power plants
Common dimension of Asid Resistant Bricks and Tiles are:
230x115x75mm • 230x115x65mm • 230x115x50mm • 230x115x38mm • 230x115x30mm • 230x115x25mm • 230x115x20mm
230x115x15mm • 200x100x20mm • 200x100x12mm • 300x150x25mm • 300x150x20mm • 150x150x25mm • 150x150x20mm
Refractory Mortar

Refractory Mortar

Mã sp: Refractory Morars

Refractory Morars:

  • Fireclay Motar
  • High alumium Motar.
Ceramic fiber insulation

Ceramic fiber insulation

Mã sp: Ceramic fiber insulation

ceramic fiber  is a lightweight refractory material processed with alumina-silica fibers for applications at temperatures up to 1430℃(2600ㄈ)

Ceramic fiber is a vacuum formed product that resists higher gas velocities than ceramic fiber blanket,it is ideal for furnace,boiler duct and stack lining due to its low thermal conductivity and low heat storage allowing shorter cycle times and quicker access for maintenance


  1. Low thermal conductivity,saves fuel
  2. Very low heat storage,faster heat and cool-down reducing cycle times
  3. Ligh weight.replaces heavy back-up insulation.less steel required.
  4. Excellent thermal shock resistance
  5. Resistant to hot gas erosion
  6. Resists most chemical attacks
  7. Easy to cut,handle and install
  8. Low sound transmission
  9. Resists penetration by molten aluminum and other non-ferrous metals
  10. Contains no asbestos


  1. Refractory lining for industrial furnaces in walls,roofs,doors,stacks,etc.
  2. Combustion chamber liners,boilers and heaters
  3. Back-up insulation for brick and monolithic refractories
  4. Transfer of molten aluminum and other non-ferrous metals
  5. Expansion joint boards
  6. Barrier against flame or heat
  7. Hot face layer for high velocity or abrasive furnace atmosphere
Refractory Brick

Refractory Brick

Mã sp: Refractory Brick
  • General fireclay brick
  • High alumina Brick
  • Magnesia Brick
  • Silica Brick
  • Acid resistant Brick
  • Zirconia Brick
  • Corundum Brick
  • Fused cast Brick
  • Mullite Brick
  • Hanoref offer a wide range dense refractory brick used in steel & iron, alumium, glass industries. Standard specificatio and special one are both avaiable
calcium silicate insulation

calcium silicate insulation

Mã sp: calcium silicate insulation

Calcium silicate is used to insulate high-temperature pipes and equipment and for fire endurance applications

Common Applications
Calcium silicate insulation is typically applied on high-temperature (greater than 250°F) pipe and equipment in industrial facilities, such as chemical plants, refineries, and steam electric power plants. Since it is a rigid material that has a relatively flat thermal conductivity curve, extremely high compressive strength, high flexural strength, a Class A rating for Flame Spread/Smoke Developed, and is noncombustible (ASTM E136), it is widely used in high-temperature, industrial applications subject to physical abuse.

Due to its high compressive strength (greater than 100 psi), high flexural strength (greater than 50 psi), and resistance to damage from tumbling, plus its ability to maintain those properties over time up to its rated 1,200°F, calcium silicate can withstand considerable physical abuse without loss of insulating efficiency. In addition, calcium silicate insulation can withstand vibration induced by high-temperature steam flow around internal pipe obstructions, such as valve internals, measuring devices, and flow restriction orifices.”


Refractory Castables

Refractory Castables

Mã sp: Refractory Castables

Castable refractories

  • Low cement castables for Rotary kiln
  • Ultra-Low cement castables for Iron and Steels Furnaces.
  • Refractory Castables for Reheating Furnaces.
  • Refractory Castables for boilers
  • Insulating Refractory Castables 
  • Ramming mixes for induction furnaces.
  • Ramming mixes for steel furnaces.
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