PARSITAK 70S
PARSITAK 70S
Classification:Burnt Magnesia – Chromite brick
Chemical analysis
MgO .................................................................................................... Min 67.5 %
Cr2O3 ............................................................................................. Min 10 %
Al2O3 .............................................................................................. Max 9 %
Fe2O3 ............................................................................................ Max 6 %
CaO ................................................................................................. Max 1.5 %
SiO2 ................................................................................................ Max3.5 %
Physical data
Bulk density (g/cm3)........................................................................ 2.9 – 3.1
Apparent porosity (%)................................................................... 17 - 20
Cold crushing strength (Kgf/cm2).................................................. 400 - 600
Hot modulus of rupture (Kgf/cm2 at 1000 oC)................................ Min 40
Refractoriness under load (T2 , oC)............................................... Min1550
Thermal shock resistance , (at1000 oC / air)…………..............………...> 80
Thermal conductivity (W/m ºk at350 oC) ....................................... 3.5
(at1000 oC) ......................................... 2.7
Lin. thermal expansion (% at 1000 oC).......................................... 1.25
The above mentioned data represent typical values obtained from current production, according to JIS test method.
All data are subjected to reasonable variations, and therefor, should not be used for specification purposes, guarantees in respect of these data are only valid if agreed upon in writing.
Application
Cement rotary kiln (burning zone), Electric arc furnace (Upper side wall)
Packing
Bricks on wooden pallet, each pallet weights app. 1.2 – 1.4 MT. Fasted by 4 vertical belts, 180 micron shrink film on it.
Rev. No. 2
Date : 2010. 3. 17