CMS Cast 1750

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A high alumina, conventionally bonded Castable with high strength, good dimensional stability and resistance to abrasion. It is used for service temperatures up to 1750 deg C.

 

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PHYSICAL & CHEMICAL PROPERTIES (Typical):

Physical Form        :    Granular/powder mix
Colour                    :    Off-white
Al2O3                     :    83.4 %
SiO2                       :    8.1 %
Fe2O3                    :    0.9 %
TiO2                       :    1.8 %
CaO                       :    4.8 %
Alkalies                  :    0.3 %

 

Test

Conditions

Thermal

Conductivity

Modulus of Rupture   MPa

Cold Crushing Strength   MPa

Permanent Linear Change   %

Dried @ 110 deg C

No Data

15

75

Negligible

Fired @ 1000 deg C

Fired @ 1400 deg C

1.9

No Data

10

10

55

65

- 0.1

+ / - 0.4


Setting    =    Hydraulic

APPLICATION :

CMS CAST 1750 is recommended for the production of refractory Cast Shapes
and also for use as a general purpose monolithic refractory in iron and steel foundries and various heat containment processes.

Correct water addition and mixing time are essential for optimum performance.
A well maintained paddle mixer can be used. However, mixing is best carried out by using a high intensity mixer such as a DIEM mixer.

INSTALLATION DATA:

Maximum Recommended Service Temperature    -    1750 Deg C
Maximum Grain Size                                              -    8 mm
Standard packing                                                   -    25 Kg sacks
Quantity Required per cubic metre of lining           -    2550 Kg  (Average)
Water Addition per 100 Kg                                      -    6.0 - 8.0 Kg or Litre
Mixing time     (High intensity mixer)                       -    3 to 6 minutes max.
Curing Time                                                             -    24 Hours

 Use of Internal Vibration is essential and highly recommended.




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