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Categories | Precast Refractory Shapes |
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Brand Name: | Jundao(Henan) |
Model Number: | Electric furnace cover prefabricated block |
Certification: | ISO9001:2015 |
Place of Origin: | Henan China |
MOQ: | 20t |
Price: | negotiate |
Payment Terms: | L/C, D/A, T/T, Western Union, MoneyGram |
Supply Ability: | 3000Ton/mon |
Packaging Details: | Fumigated wooden pallet, plastic or steel bandages strapped and the whole outside is wrapped with thermoplastic film. |
Al2O3(%): | ≥80 |
Cr2O3(%): | ≥1.5 |
Bulk density(g/㎝³): | ≥2.9 |
C.C.S(MPa): | ≥30 |
Application: | Electric furnace |
Electric furnace cover prefabricated blocks High strength Precast Refractory Shapes
The electric furnace cover prefabricated block are developed to extend the service life of the electric furnace top, mainly including high aluminum, corundum, chrome corundum, mullite,etc.
Electric furnace cover prefabricated block features:
High temperature resistance, corrosion resistance, no peeling, high refractoriness under load.
Convenient construction and easy installation.
The high-power electric furnace triangle area is made of high-alumina, mullite, corundum, and ultra-high power is made of chrome corundum and corundum.
Item | DL-1 | DL-2 | |
Al2O3(%)≥ | 80 | 85 | |
Cr2O3(%)≥ | 1.5 | 2.0 | |
Bulk density(g/㎝³)≥ | 110℃×24h | 2.9 | 2.9 |
1000℃×3h | 2.85 | 2.85 | |
1500℃×3h | 2.85 | 2.85 | |
Cold bending strength (MPa)≥ | 110℃×24h | 6 | 6 |
1000℃×3h | 8 | 10 | |
1500℃×3h | 15 | 15 | |
Cold crushing strength (MPa)≥ | 110℃×24h | 30 | 40 |
1000℃×3h | 50 | 60 | |
1500℃×3h | 60 | 65 |
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