High Strength Refractory Brick Fire Proof Bricks For Roller Hearth Kiln

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Al2O3%,≥: 55 Fe2O3 %, ≤: 1.2
Bulk Density (g/cm3), ≥: 2.45 Apparent Porosity (%), ≤: 17
Cold Crushing Strength (Mpa),≥: 60 Thermal Expansion Coefficient(1000°C),≤: 0.55

 
Fire proof refractory brick , Refractory Products For Roller Hearth Kiln
 
 
Description:
 
Refactory brick in roller kiln must be have a high temperature resistance ,and a high thermal shock resistance ,because the roller kiln is away in the running situation ,so this kind of refractory brick should have a high strength ,and can resistant the wearing situation .in a quick description,the refractory brick should have some basic feature in following:
1. Thermal shock resistance;
2. high strength;
3. good wear resistance.
4. a high thermal stability .
 
 
Applications:
 
1. Steel furnaces
2. Iron making furnaces
3. Glass kiln
4. Ceramic tunnel kiln
5. Cement kiln
 
Specifications:
 
Andalusite bricks
 

Product
Index

HZ-55

HZ-62

HZ-65

Chemical
analysis

Al2O3%

≥55

≥62

≥65

Fe2O3 %

≤1.2

≤1.2

≤1.2

Physical properties

Bulk density (g/cm3)

≥2.45

≥2.5

≥2.5

Apparent porosity (%)

≤17

≤17

≤17

Cold crushing strength (Mpa)

≥60

≥60

≥60

Refractoriness
under load(°C)

≥1600

≥1650

≥1680

Thermal shock resistance

Good

Better

Better

Thermal expansion coefficient(1000°C)

≤ 0.55

≤ 0.55

≤ 0.55

Creep resistance
20-50h,(%)

1350°C
<0.2

1400°C
<0.2

1450°C
<0.2

 
High Strength Refractory Brick , Fire Proof Bricks For Roller Hearth Kiln
Competitive Advantage:
 

  1. Competitive Price. Make the products competitive in your market.
  2. Abundant Experience. Prevent cracks and twist in bricks.
  3. Different Moulds. Save mould fees for you.
  4. Strict Quality Control. Meet clients’ quality requirement.
  5. Large stocks. Guarantee prompt delivery.
  6. Professional Packing. Avoid damage and secure the goods in transportation

 
High Strength Refractory Brick , Fire Proof Bricks For Roller Hearth Kiln
 

 

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