Insulation Firebrick Grade-23 Lightweight (Mullite)

Picture 3.5.3.1 - 01

Characteristics :

  1. Low iron oxide content
  2. Low thermal conductivity

Application:

  1. Hot face lining
  2. Back up insulation
  3. Reducing atmosphere furnace
Temperature 1260o C (2300o F)

  ASTMSPECIFICATIONAVERAGE
Bulk Densityg/cm3Group 230.77 max0.55
Thermal ConductivityW/mKkcal/moC)at 350oC JIS R26160.17(0.15)
W/mKkcal/moC)at 400oC ISO 88940.23(0.20)
W/mKkcal/moC)at 600oC ISO 88940.28(0.24)
W/mKkcal/moC)at 800oC ISO 88940.33(0.28)
Cold Crushing StrengthMPaC93-1.8
Modulus of RuptureMPaC93-1.2
Reheat Shrinkage(oC x 24 hrs)%C210 JIS R26 132.0max0.00 (1230oC)
(oC x 8 hrs)%C210 JIS R26 132.0max0.20 (1300oC)
Thermal Expansion at 1000 oC%JIS R26 17-0.46
Chemical analysisAl2O3%JIS R2216-40
Fe2O3%JIS R2216-1.2
MortarMortar 1300
Standard Packing10 pcs / pack for standard size

Lightweight Brick Grade-23 (1230 C)

Lightweight Brick Grade-25 (1300 C)

Lightweight Brick Grade-26 (1400 C)

Lightweight Brick Grade-28 (1500 C)

Lightweight Brick Grade-30 (1550 C)

Lightweight Brick Grade-32 (1600 C)

For further information, you can contact our Sales Engineer, or you can contact us directly or here.