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Electric furnace cover prefabricated block

Classification:

Precast Block

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.

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+86-15838093599

Product Details

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
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