Medium purity dense castables are suitable for use in applications. This group of castables contains medium purity high alumina cement as the refractory binder. All castables are used for oxidizing atmospheres.These refractory castables are hydraulic setting and can be casted or moulded to any shape and can also be modified for gunning of furnace linings.

Brands Oracrete Oracrete super Oracrete Special

Chemical Analysis

AI2 O3% min 45 70 45 Fe2O3 %max 4 5 4

Physical Properties

Service Temp. oC 1400 1450 1350 Bulk Density gms/cc 2.1 2.55 2.2 Water required for casting % 10.5 - 11.50 10 - 11 10.5 - 11.5 Grain Size.mm 5 5 5

CCS,Kgs / cm2

at 110ºC / 24 hrs. 300 400 425 at 800ºC /3 hrs. 240 300 300 at 1100ºC /3 hrs. 180 250 225 at 1350ºC /3 hrs 280 500 350

Thermal Properties

PLC,%

after heating at 800ºC/ 3hrs -0.06 -0.06 -0.12 after heating at 1000ºC/ 3hrs -0.12 -0.18 -0.15 after heating at 1350ºC/ 3hrs -0.5 -0.8 -0.5

Thermal conductivity,Kcal/mhr/ºC

at 400ºC HF 0.74 0.93 0.75 at 600ºC HF 0.78 0.95 0.8 at 800ºC HF 0.84 0.98 0.86

Packaging:50 Kgs Bags

Storage Life:9 Months

The above data represents typical average properties and does not constitute a specification.