Unshaped refractories
Hot fettling mass
Magnesia fettling for hot repair of the EAF hearth.

THE MATERIAL.
THE POSSIBILITIES.
A magnesia-based monolithic applied hot with a fettling machine to cover the sloped banks and repair the hearth ramming mass at the bottom of the electric arc furnace. It is chemically adjusted to form a ceramic bond while heating up, and graded to spray easily.
Ask our team for current specifications, availability, and guidance on the right grade for your process.
All productsTechnical data
PT1700-85L
| MgO | 80–85 % |
|---|---|
| SiO₂ | 1–2 % |
| Fe₂O₃ | 1.5 % |
| Al₂O₃ | 0.8 % |
| CaO | 5–10 % |
| Grain size, mm | 0–8 |
|---|---|
| Method of application | Hot repair |
| Max service temperature, °C | 1750 |
| Grain density, g/cm³ | 3.20 |
| Type of bonding | Ceramic |
| Expiration | 12 months |

