Mullite-corundum mix ММК-72
Mullite-corundum ramming mix based on phosphate binding, of ММК-72 grade, is produced from high-alumina refractory raw materials with use of own equipment by qualified personnel.
The production complies with normative document Spec. 322-7-00190503-058-95 or technical requirements of the Customer.
Technical parameters of mix МMК-72:
1. Chemical indicators, %:
| Al2O3 | Fe2O3 | P2O5 | Moisture |
|---|---|---|---|
| min. 72,0 | max. 1,3 | 2,4 – 3,2 | 6,0 – 7,0 |
2. Technical indicators, %:
| Loss on ignition, % | 1,5 – 2,2 |
| Guaranteed storage life, mo. | 3 |
3. Grain composition, %:
| Passage through the mesh № 5, min. | 100 |
| Passage through the mesh № 3,2 | 90 – 100 |
| Passage through the mesh № 2 | 80 – 90 |
| Passage through the mesh № 0,5, max. | 70,0 |
| Passage through the mesh № 009, within the limits of | 39 – 46 |
4. Toxicity:
Mix МMК-72 isn’t dangerous for health. Its use doesn’t cause with a danger of silicosis. Mix МMК-72 is neither carcinogenic nor toxic.
5. Packaging:
The main type of packaging is flexible intermediate bulk container (Big Bag) either coated or uncoated – by Customer’s wish.
The average weight of big bag with production is 1,5 ton.
6. Применение:
- in metallurgy, for monolithic lining of teeming ladles or their separate elements.



