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RrefHeat – A



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Product Description

RrefHeat -A


PRODUCT:

RREFHEAT - A

TYPE:

90% ALUMINA DENSE CASTABLE

NATURE OF BOND :

HYDRAULIC

INSTALLATION:

VIBRATION CASTING

GENERAL PROPERTIES

 

RAW MATERIAL BASE:

BROWN TABULAR

 

ALUMINA

MAX. SERVICE TEMP.

17500C

MAX GRAIN SIZE:

5 mm

WATER REQ. FOR CASTING:

7.5 - 8.5%

REVERSIBLE THERMAL EXPANSION:

0.80% at 10000C

CHEMICAL ANALYSIS,%

TYPCAL ACTUAL

AL2O3

90.30     90.00 min.

SiO2

02.60            -

FE2O3

 0.75            0.80max

TiO2

1.2                -

CaO

4.70              -

LOI

0.20               -

PHYSICAL PROPERTIES

 

Bulk density, g/cc

 

after drying at 1100C/24 hrs

2.80         2.75 min

CCS, kg/cm2

 

after drying at 1100C/24 hrs

640          600 min

after heating at 8000C/3 hrs

430              -

after heating at11000C/3 hrs

430              -       

after heating at 14500C/3 hrs

 

after heating at 15000C/3 hrs

 

after heating at 15500C/3 hrs

650              -

MOR, kg/cm2

 

after drying at 1100C/24 hrs

95                -

after heating at 8000C/3 hrs

60                -

after heating at11000C/3 hrs

45                -

after heating at 14500C/3 hrs

 

after heating at 15000C/3 hrs

 

after heating at 15500C/3 hrs

110             -

% Retained on maximum size

  2           5max

THERMAL PROPERTIES

 

Refractoriness, Orton/0C

+37     +37/+1820 min.

PLC,%

 

after heating at 8000C/3 hrs

-0.06           -

after heating at11000C/3 hrs

-0.12           -    

after heating at 14500C/3 hrs

 

after heating at 15000C/3 hrs

 

after heating at 15500C/3 hrs

-0.80        ±0.80 Max

HMOR at 14000C, kg/cm2

 

Thermal conductivity, Kcal/m hr0C

 

At 4000C HF

1.15            -

At 6000C HF

1.20            -

At 8000C HF

1.26            -

Packaging:

25 Kg bags

Storage life:

9 months

Delivery state:

Dry

 

Product Code : 1005

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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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