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Coil Grout

The coil grout can insulate and delay the deformation of the coil, it can effectively prevent the occurrence of the inter-turn short circuit of the coil;

the coil grout forms a smooth sliding surface on the inner surface of the coil, so that the lining can be expand and contract freely during the frequently thermal changes. It also can effectively prevent the transverse cracks and increase the safety of the furnace. and in a certain period of time the coil material can block the penetration of molten metal.

In order to obtain a long service life, high strength and low short circuit coil grout, it has to select suitable one depends on customer’s production situation, and meanwhile strictly control the installing and drying process, and proper maintenance is required.

Only high-purity, high-quality raw material can be used as coil grout. The material should be installed flat and smooth. If the furnace has push out block, it is necessary to make a taper shape.

SFR can provide customers with nearly ten kinds of coil grout, two colors (red and white), two kinds of construction methods (paste and cast), we can fulfill different requirements of customers.

 coil slurry
 coil slurry
 coil slurry
Description Al₂O₂

Bulk Density

Red alumina based sizing paste 91.0 2.0 5.0 2.80 1760
Red corundum slurry containing fiber 91.0 2.0 5.0 2.80 1760
cost-effective red paste 85.0 6.0 5.0 2.60 1700
White alumina based sizing paste 85.0 6.0 5.0 2.60 1760
High strength white corundum slurry 91.0 2.0 5.0 2.80 1760
Plate-shaped corundum based casting coil material 95.0 0.5 4.0 2.80 1800
Capacitor quartz based casting coil material 18.0 77.0 3.5 2.00 1315


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