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refractory high alumina brick fire brick for industrial furnace

Categories high alumina brick
Brand Name: hongtai
Model Number: sk32 sk34 sk36 sk38
Place of Origin: Xinmi city,Henan province,China
MOQ: 1 ton
Price: USD 300-800 Ton
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 2000 ton per month
Delivery Time: within 15-30 days after payment
Packaging Details: 1.on wooden pallets with plastic cover: wooden pallet size :930*930 or 1000*1000mm, 2.Load weight of each pallet: 1.5-2.0 tons, 3.230*114*65mm:512PCS/Pallet, 230*114*75mm:448PCS/Pallet. 4.As your requirements.
name: refractory high alumina brick
application: industrial furnace
color: light yellow
raw material: bauxite alumina oxide
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refractory high alumina brick fire brick for industrial furnace

High alumina brick with high bauxite as the main raw material, with soft raw clay as a binder, after molding and firing by about 1500 ℃ high temperature . According to the content of Al2O3,high alumina brick could be divided into three levels:

  1. Level high alumina brick : the Al2O3 content is more than 75%
  2. Level high alumina brick: the Al2O3 content is between 60% and 75%
  3. Level high alumina brick: the Al2O3 content is between 48% and 60%

Its softening temperature of not less than 1400 ~ 1530 ℃.

Characteristics:


1. The dimensions are more exactly.

2. Low iron content and impurities

3. Good thermal stability;

4. High refractoriness,

5. anti alkaline /acid erosions,

6. Mechanical and chemical properties are very good.

7. Strong thermal shock resistance


Applications:


They were widely used in all parts of furnace lining of metallurgic, petroleum, construction materials, machinery and militaries, etc.

Physical & Chemical Index:


ItemHigh Alumina Brick
Al2O3≥48≥55≥65≥75
Refractoriness ºC≥1750≥1770≥1790≥1790
Refractoriness under load ºC≥1420≥1470≥1500≥1520
Permanent liner change%0--0.20.1--0.4(1500ºC×2h)
Apparent Porosity %≤22≤22≤23≤23
Cold crushing strength Mpa≥39.2≥44.1≥49.0≥53.9
Bulk Density g/cm32.25-2.6g/cm3


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