Mullite mix ММL-65-1 and mullite-corundum mix ММК-74-2
Mullite mix of ММL-65-1 grade and mullite-corundum mix of ММК-74-2 grade, are produced from high-alumina refractory raw materials with use of own equipment by qualified personnel.
The production complies with normative document Spec. 322-7-00190503-040-95 or technical requirements of the Customer.
Technical parameters of products mix of mullite mix ММL-65-1 and mullite-corundum mix ММК-74-2:
1. Chemical indicators, %:
| Indicators | Al2O3 | Fe2O3 | P2O5 | Moisture |
|---|---|---|---|---|
| for mix ММL-65-1 | max. 65,0 | max. 2,5 | within 2,0 – 3,0 | 5,5 – 7,0 |
| for mix ММК-74-2 | min. 74,0 | max. 2,5 | within 2,0 – 3,0 | 5,5 – 7,0 |
2. Technical indicators, %:
| Indicators | ММL-65-1 | ММК-74-2 |
|---|---|---|
| Loss on ignition | 1,2 – 2,5 | 1,2 – 2,5 |
3. Grain composition, %:
| Indicators | ММL-65-1 | ММК-74-2 |
|---|---|---|
| Passage through the mesh № 5, min. | 100 | 100 |
| Passage through the mesh № 3,2, min. | 92 | 92 |
| Passage through the mesh № 2, min. | 75 | 80 |
| Passage through the mesh № 0,5, max. | 70 | 72 |
| Passage through the mesh № 009, within the limits of | 23 – 50 | 23 – 50 |
4. 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.
5. Application:
- in metallurgy, for monolithic lining of teeming ladles or their separate elements.
