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PARSITAK 70DR
PARSITAK 70DR
Classification:Direct bond magnesia – Chromite brick
Chemical analysis
MgO ................................................................................................ Min 70 %
Cr2O3 .............................................................................................. Min 10 %
Al2O3 .............................................................................................. Max 9 %
Fe2O3 .............................................................................................. Max 6 %
CaO ................................................................................................... Max 1.5 %
SiO2 .................................................................................................. Max 2.5 %
Physical data
Bulk density (g/cm3)....................................................................... 2.85-3.05
Apparent porosity (%)................................................................... 17-19
Cold crushing strength (Kgf/cm2).................................................. 400 - 600
Hot modulus of rupture (Kgf/cm2 at 1000 oC)................................ Min 50
Refractoriness under load (T2 , oC)............................................... 1600
Thermal shock resistance, (1000 oC/air)....................................... .>80
Thermal conductivity (W/mºk at350 oC) ........................................ 2.53
(at1000 oC) .......................................... 2.45
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
Dolomite and cement rotary kilns (transition zone), Lime kiln
Packing
Bricks on wooden pallet, each pallet weights app. 1.2 – 1.4 MT. Fastened by 4 vertical belts, 180 micron shrink film on it
Rev. No. 2
Date: 2010. 3. 17