High aluminium oxide standard fire bricks wholesale low price
Product Description
1.Made by bauxite clinker and binder through Crushing,Mixing,Shaping,Drying and high temperature Sintering.
2.Al2O3 content is 48%-80%,main mineral components are corundum and mullite phases.
3.Refractoriness is above 1770°C,refractoriness under load is 1420-1550°C.
4.Working temperature:1350°C -1650°C.
Technical Data
| International code name | SK35 | SK36 | SK37 | SK38 | SK40 |
| Al2O3/% | ≥48 | ≥55 | ≥65 | ≥75 | ≥80 |
| Fe2O3/% | ≤2 | ≤2 | ≤2 | ≤2 | ≤2 |
| Refractoriness | ≥1750 °C | ≥1770 °C | ≥1790 °C | ≥1790 °C | ≥1790 °C |
| Apparent porosity | ≤22% | ≤22% | ≤23% | ≤23% | ≤21% |
| Cold crushing strength | ≥39Mpa | ≥44Mpa | ≥49Mpa | ≥54Mpa | ≥65Mpa |
| Refractoriness under load (0.2MPa) | ≥1420 °C | ≥1470°C | ≥1500 °C | ≥1520 °C | ≥1530 °C |
| Reheating Linear Change (1500°C 2h) % | +0.1~ -0.4 *1450°C | +0.1~ -0.4 | +0.1~ -0.4 | +0.1~ -0.4 | +0.1~ -0.4 |
Features
1.Excellent strength at ambient and elevated temperatures.
2.High compressive strength.
3.Very low levels of iron and other impurities.
4.Lightweight and energy-efficient.
5.Lower heat storage than denser refractory.
6.Heats quickly and economically to operating temperature.
1.Iron & steel making industry: Blast furnace,hot blast stove,electric furnace,ladle,tundish,heating furnace,refining furnace,reheating furnace,annealing furnace,cupola furnace.
2.Non-ferrous Metal industry:Smelting furnace,refining furnace,reverberatory furnace,converter furnace.
3.Building materials industry:Cement kiln,glass kiln,ceramic kiln,lime kilns,kiln car,tunnel kiln.
4.Energy & Incineration:Coke oven,circulating fluidized bed boiler,carbon roasting furnace, incinerators.
5.Others:Petrochemical industry furnace.
Our compay has many years ' producing experiece in refractory products.Our manager,Mr.Zhang, supervises in various of refractory materials,process control,quality supervision and package delivery,and we ensure that the products are 100% qualified.
Before delivery, we usually test at least twice by professinal testing equipment.Our company's testing equipmets as follows:
1.High Temperature RUL Tester
2.Bulk Density Tester
3.The Pressure Tester
4.Refractoriness Tester
Quality Assurance
Lite Refractory is committed to high quality standards for all its products and services. With its thirst on State of the art technology at every level and a wide range of products, Lite Refractory can provide ideal solutions for the stringent requirement of the customer. Backed by decade of experience in different industries, and close association with customers,Lite Refractory will always bring new products which will give better life and value to the user.
Henan Lite Refractory Material Co., Ltd is located in Zhengzhou Henan province,which is one of the main refractory production bases in China.
Pengfei Zhang the manager of our company,has been engaged in refractory material industry for more than 15 years.In the technological team there are more than 10 senior designers and engineers,more than 20 technicians.
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