Cold Ramming Paste Introduction
Our Cold ramming paste is made from high-temperature electrical calcite anthracite coal, artificial graphite, and natural graphite.
Coal tar pitch, coal tar, and anthracite oil mixed oil additives as a binder, through the broken, ingredients, stirring and kneading for
construction at ambient temperature.
Application Field of Cold Ramming Paste
The main purpose of the ramming paste, both in the joints between the cathode blocks and in the peripheral seam, is to fill the
voids between the prebaked blocks and prevent metal and bath from penetrating the cathode. Leakage of metal and electrolyte damage
the cathode and may lead to premature pot failure.
Ramming paste is a critical part of the cathode. Early pot failures and reduced pot life may seriously impact smelter economics.
Consistent and high-quality ramming paste products installed according to optimized procedures are required to provide a basis for
improved operation and longer pot life.
Specification of Cold Ramming Paste
Ash % ≤4.0
V.M % ≤12.0
Bulk density g/cm3 ≥1.62
Thermal Conductivity Coefficient (200ºC)W/m.k ≥10.0
Special Advantage of Rongxing Cold Ramming Paste
Our cold ramming paste can be constructed in the normal temperature range of 17-42 °C. There is no asphalt smoke during
construction, which improves the working environment of the construction personnel; Rongxing cold ramming paste is designed
according to international standards, with good thermal shock resistance and the roasting shrinkage rate is less than 0.15% with
good tamping, and with no delamination.
Special Notes for The Cold Ramming Paste
1. Do not squeeze the cold ramming paste during loading and transportation to avoid tamping in advance.
2. Storage conditions for the cold ramming paste require normal temperature, avoid light, and avoid the wind.
3. The storage time of cold ramming paste should not be too long, and the shelf life is generally within one year, to avoid the paste
from drying out due to the evaporation of the binder. The use of expired or dry cold ramming paste may cause delamination and uneven
quality during construction, increasing the risk of leaking during roasting and operation.