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Your present location:Home >> Refractory for Industrial Furnaces >> Alumina Checker Brick
  • Name: Alumina Checker Brick
  • Products Id: a84
  • Advantage:
  • Delivery Time: 30-60 Days
  • Products Used:

High Aluminum 7 holes checkersinclude high refractoriness, large volume density, high intensity and high refractoriness under load. They also have good creeping in high-temperature, excellent regenerative capability.

Physical and chemical indexes

Brand

7 holes checker

Al2O3 (%) ≥

45

Bulk density (g/cm3) ≥

2.15

Apparent porosity (%)

23

Cold crushing strength(MPa) ≥

35

Creep rate1200°C×20-50h,0.2MPa) ≤

0.2

Refractoriness under load(0.2Mpa) (°C) ≥

1520

Permanent linear change 1400°C×4h

0-0.3

Refractoriness(°C) ≥

1750

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