Insulation Firebrick Grade-30 Lightweight (Mullite)

Picture 3.5.3.5 - 01
Picture 3.5.3.5 - 02

Characteristics:

  1. Low iron oxide content
  2. Low thermal conductivity

Application:

  1. Hot face lining
  2. Back up insulation
  3. Reducing atmosphere furnace
Classification temperature 1550oC
Recommended interface temperature 1550oC
Recommended hot face temperature 1250 oC - 1450oC

  ASTMSPECIFICATIONAVERAGE
Bulk Densityg/cm3Group 261.0
Thermal ConductivityW/mKkcal/moC)at 350oC JIS R26160.38
Cold Crushing StrengthMPaC931.5 min2.8
Modulus of RuptureMPaC931.5 min1.6
Reheat shrinkage(oC x 8 hrs)%C210 JIS R26 130.5 max0.38 (1550oC)
Thermal Expansion at 1000 oC%JIS R26 170.48
Chemical analysisAl2O3%JIS R221670
Fe2O3%JIS R22161.0max0.7
MortarMortar 1500
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.