Cold ramming paste for lining
- Brand: ???ZHONGXING
- Type: ???Cold ramming paste for lining
ZhongXing carbon cold ramming paste is a kind of paste specially developed for aluminum reduction cell.
brief introduction
This kind of Cold ramming paste has good heat shrinkage property during baking. The linear shrinkage is less than 0.15%.
In the process of cathode construction, the temperature window is very wide, which can adapt to the environmental temperature of 17-50 ℃.
The construction process is easy to control the construction quality, the carbon block does not need to be heated, the Cold ramming paste does not have harmful smoke generation, and does not layer, which is beneficial to prolong the service life of the electrolytic cell!
It is recommended to store at 30 ℃ in a sun shading environment.
Advantages of Cold ramming paste
Compared with hot tamping paste, cold tamping paste has better construction environment and can effectively reduce the physical injury to construction personnel;
Compared with hot ramming paste, cold ramming paste can provide more convenient construction and faster construction speed;
Compared with hot ramming paste, the comprehensive cost of using cold ramming paste is lower;
Physical and chemical index
Product Name:Zhongxing Cold ramming paste for aluminum lining
component
Electric calcined coal (30-40% graphitization)
80-90%
Binder
10-20%
Unfired Cold ramming paste
volume density
1600kg/m3
950℃ Physical properties of paste after roasting
Roasting loss
9%
Linear contraction（20℃-950℃）
0.15%
Coefficient of thermal expansion（950℃-20℃）
4.5×10-6/K
Volume density
1450kg/m3
Total porosity
19%
Compress strength
20N/mm2
Resistivity
65μΩm
Ash content
5%
Thermal conductivity
7 W/mK
The most suitable construction temperature is 25 ℃
*All the eigenvalues are based on the average of the experimental control results, and all the results follow the normal distribution, so the above eigenvalues can not be taken as the maximum or minimum. According to the statistical law, 90% of the results are in this range.
