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

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