Insulation Firebrick Grade-25 – Lightweight (Mullite)

IND | EN

Karakterisitik:

  1. Kandungan iron oxide yang rendah
  2. Thermal conductivity yang rendah

Pemakaian:

  1. Hot face lining
  2. Back up insulation
  3. Reducing atmosphere furnace
Temperature 1371o C (2500o F)

  ASTMSPECIFICATIONAVERAGE
Bulk Densityg/cm3Group 260.86 max0.65
Thermal ConductivityW/mKkcal/moC)at 350oC JIS R26160.26(0.22)
W/mKkcal/moC)at 400oC ISO 88940.30(0.26)
W/mKkcal/moC)at 600oC ISO 88940.34(0.29)
W/mKkcal/moC)at 800oC ISO 88940.37(0.32)
Cold Crushing StrengthMPaC93-1.8
Modulus of RuptureMPaC93-1.2
Reheat Shrinkage(oC x 24 hrs)%C210 JIS R26 132.0 max0.48 (1400oC)
(oC x 8 hrs)%C210 JIS R26 130.40 (1400oC)
Thermal Expansion at 1000 oC%JIS R26 17-0.46
Chemical analysisAl2O3%JIS R2216-42
Fe2O3%JIS R2216-1.0
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)

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