Maniyar Group of Industries
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About Tamping Paste

Tamping Paste or Ramming Paste is used in the lining of submerged arc furnace. First it is softened by heating and then applied over refractory lining of submerged arc furnace. Tamping Paste of superior quality is required for long life of the furnace lining.

Manufacturing Process:

The manufacturing process for Tamping Paste is same as for Carbon Electrode Paste. The only difference, being the fraction sizes of ECA/CPC, is different for Tamping Paste & binder pitch content is lower than Carbon Electrode Paste.

Specifications of Carbon Electrode Paste:
Green Paste
Property
Unit
ECA Based
CPC Based
Plasticity
%
As per customers requirement, typical range 5-15
As per customers requirement,
typical range 5-15
Fixed Carbon
%
84 Min
88 Min
Volatile Matter
%
10-11
11-12
Ash
%
5.0 Max
0.5 Max
Aparent Density
gm/cc
1.60 Min
1.60 Min
 
Baked Paste
Property
Unit
ECA Based
CPC Based
Fixed Carbon
%
94 Min
99 Min
Porosity
%
25 Max
35 Max
Aparent Density
gm/cc
1.45 Min
1.40 Min
Cold Crushing Strength
kg/cm2
250 Min
200 Min
Electrical Resistivity
Ohm.mm2 /meter
55 to 65
85 to 95
Shrinkage
%
0.75 Max
1.00 Max
 
Note : Plasticity can be altered to suit the customer's requirement. We can supply Tamping Paste in both cylinders and briquettes or as per customer's requirement though the most preferred size is 2-4 inch briquettes. MG recommends using ECA based electrode paste for longer furnace lining life.
 
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Digboi Carbon Pvt. Ltd.
Kalinga Calciner Ltd.

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