REFRACTORIES
PURPOSE:To obtain the refractories which cure fast even at a relatively low temp. and have excellent compressive strength in the initial stage of a drying stage by compounding ferric chloride, aluminum chloride or stannous chloride, refractory aggregate and resol type phenol. CONSTITUTION:The above...
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Zusammenfassung: | PURPOSE:To obtain the refractories which cure fast even at a relatively low temp. and have excellent compressive strength in the initial stage of a drying stage by compounding ferric chloride, aluminum chloride or stannous chloride, refractory aggregate and resol type phenol. CONSTITUTION:The above refractories consist of at least one kind of the metal chlorides (A) among the ferric chloride, aluminum chloride or stannous chloride, the refractory aggregate (B) and the resol type phenolic resin (C). water or an org. solvent may be properly added to the refractories at need in order to sufficiently mix the above-mentioned (A), (B), (C). The acidic or neutral refractory aggregate is preferably used as the refractory aggregate (B) in order to use the above-mentioned refractories as shaped refractories. The above- mentioned refractories may be used as the shaped refractories simply by packing the refractories into a mold and molding the same under the pressure applied thereon. The press molding is executed usually under the temp. and pressure conditions of 15 to 30 deg.C and 0.8 to 1.5t/cm . |
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