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Castables Mortar Pre Cast Pre Fired

   CASTABLES

ORALITE
High Purity Insulating Castables

Oralite are a range of insulating Castables to conserve heat in furnaces. They are light but strong and have low conductivity, serve as either hot face or back up insulating refractory lining. These Castables are produced in density range of 400 to 1600 kg/m3. They are available mainly in two different grades medium purity and high purity. The high purity (Low Iron) variety is suitable for reducing environments.


Brands Oralite 9 HS Oralite HT Oralite 11 Li Oralite 13 Li Oralite 15 Li Oralite 11 Liz
Chemical Analysis
Al2O 3 % min 41 63 43 44 45 45
Fe2O3 max 3 1.5 1.5 1.5 1.5 1.2
Physical Properties
Services Temp ºC 1200 1500 1350 1400 1400 1300
Bulk Density gms/cc 1.00 1.55 1.25 1.45 1.60 1.00
Water required for casting, % 38.44 25 - 30 30 - 35 27 - 32 23- 28 40 - 46
Grain Size, mm 6 6 6 6 6 6
CCS, Kgs / cm2
 at 110ºC / 24hrs. 20 80 45 80 130 15
at 800 ºC / 3 hrs. 8 40 30 40 75 10
  at 1100 ºC / 3 hrs. - 40 30 40 75 8
 at 1300ºC / 3 hrs. - 50 50 50 90 15
Thermal Properties
PLC, %
after heating at 800ºC / 3 hrs (+)(-) 0.6 (+)(-) 0.6 (+)(-) 0.2 (+)(-) 0.2 (+)(-) 0.2 (+)(-) 1.0
after heating at 1200ºC / 3 hrs (+)(-) 1.0 (+)(-) 1.5 (+)(-) 1.0 (+)(-) 0.80 (+)(-) 1.0 (+)(-) 1.5
Thermal conductivity,Kcal/mhr/ºC
at 300ºC HF 0.24 0.37 0.3 0.35 0.38 0.19
at 500ºC HF 0.26 0.41 0.32 0.38 0.42 0.21
at 800ºC HF 0.29 0.43 0.36 0.41 0.44

0.23

 
Packaging :25 Kgs Bags
Storage Life: 9 Months water proof weather conditions.
The above data represents typical average properties and does not constitute a specification.
 
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