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High Alumina Castables



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Product Description

We are engaged in manufacturing, supplying, trading and exporting High Alumina Castables. Offered product is highly demanded around the globe for its wider applicability. These castables are used in lining turning kiln, furnaces of construction, chemical & metallurgical industries and circulation part of furnace. Our manufactured castables are highly demanded worldwide for their features such as excellent insulation, temperature resistance, thermal shock-resistance, resistance against corrosion and scouring. We have made High Alumina Castables available in market at most affordable prices.

Other information:

PRODUCT:

RREFCRETE SUPER

TYPE:

70% ALUMINA CASTABLE

NATURE OF BOND :

HYDRAULIC

INSTALLATION:

VIBRATION CASTING

 

 

GENERAL PROPERTIES

 

RAW MATERIAL BASE:

CALCINED CLAY

MAX. SERVICE TEMP.

14500C

MAX GRAIN SIZE:

5 mm

WATER REQ. FOR CASTING:

10-11%

REVERSIBLE THERMAL EXPANSION:

0.65% at 10000C

 

 

CHEMICAL ANALYSIS,%

TYPICAL ACTUAL

AL2O3

70.50      70.00 min.

SiO2

11.50               -

FE2O3

4.20            5.00max

TiO2

7.20               -

CaO

6.10               -

LOI

0.30               -

 

 

PHYSICAL PROPERTIES

 

Bulk density, g/cc

 

after drying at 1100C/24 hrs

2.55         2.50 min

CCS, kg/cm2

 

after drying at 1100C/24 hrs

400          350 min

after heating at 8000C/3 hrs

250            -

after heating at11000C/3 hrs

200            -

after heating at 14500C/3 hrs

500        450 min

after heating at 15000C/3 hrs

 

after heating at 15500C/3 hrs

 

MOR, kg/cm2

 

after drying at 1100C/24 hrs

65            -

after heating at 8000C/3 hrs

35            -

after heating at11000C/3 hrs

30            -

after heating at 14500C/3 hrs

 

after heating at 15000C/3 hrs

 

after heating at 15500C/3 hrs

 

% Retained on maximum size

 1          5max

 

 

THERMAL PROPERTIES

 

Refractoriness, Orton/0C

+32/+1717  +31/+1683 min.

PLC,%

 

after heating at 8000C/3 hrs

      -

after heating at11000C/3 hrs

-0.18       -

after heating at 14500C/3 hrs

 

after heating at 15000C/3 hrs

 

after heating at 15500C/3 hrs

 

HMOR at 14000C, kg/cm2

 

Thermal conductivity, Kcal/m hr0C

 

At 4000C HF

0.93            -

At 6000C HF

0.95            -

At 8000C HF

0.98            -

 

 

Packaging:

50 Kg bags

Storage life:

9 months

Delivery state:

Dry

Product Code : RrefCrete Super

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RREFCAST PRIVATE LIMITED
Office No-No-5, Agarwal Chambers-6, Plot-19, Sector-19C, Palm Beach Road, Vashi, Navi Mumbai - 400705, Maharashtra, India
Mr. Bharatt Vij (Director)
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