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RrefHeat – C



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Product Description

RrefHeat - C 

PRODUCT:

RREFHEAT - C

TYPE:

50% ALUMINA DENSE CASTABLE

NATURE OF BOND :

HYDRAULIC

INSTALLATION:

VIBRATION CASTING

 

 

GENERAL PROPERTIES

 

RAW MATERIAL BASE:

CALCINED CLAY

MAX. SERVICE TEMP.

15000C

MAX GRAIN SIZE:

5 mm

WATER REQ. FOR CASTING:

9.5 - 10.5%

REVERSIBLE THERMAL EXPANSION:

0.55% at 10000C

 

 

CHEMICAL ANALYSIS,%

TYPICAL ACTUAL

AL2O3

50.50     60.00 min.

SiO2

41.30            -

FE2O3

1.2            1.0max

TiO2

2.20                -

CaO

4.20              -

LOI

0.30               -

 

 

PHYSICAL PROPERTIES

 

Bulk density, g/cc

 

after drying at 1100C/24 hrs

2.18         2.10 min

CCS, kg/cm2

 

after drying at 1100C/24 hrs

380          350 min

after heating at 8000C/3 hrs

280              -

after heating at11000C/3 hrs

220              -       

after heating at 14500C/3 hrs

 

after heating at 15000C/3 hrs

 

after heating at 15500C/3 hrs

500               -

MOR, kg/cm2

 

after drying at 1100C/24 hrs

65                 -

after heating at 8000C/3 hrs

30                 -

after heating at11000C/3 hrs

27                 -

after heating at 14500C/3 hrs

 

after heating at 15000C/3 hrs

 

after heating at 15500C/3 hrs

85             -

% Retained on maximum size

  2           5max

 

 

THERMAL PROPERTIES

 

Refractoriness, Orton/0C

+31/1683     +30/+1665 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

-0.85       ±1.00 Max

after heating at 15500C/3 hrs

 

HMOR at 14000C, kg/cm2

 

Thermal conductivity, Kcal/m hr0C

 

At 4000C HF

0.75            -

At 6000C HF

0.78             -

At 8000C HF

0.81             -

 

 

Packaging:

25 Kg bags

Storage life:

9 months

Delivery state:

Dry



 

 

Product Code : 1006

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