Compositions: coating or plastic – Coating or plastic compositions – Metal-depositing composition or substrate-sensitizing...
Patent
1979-05-14
1980-11-04
Poer, James
Compositions: coating or plastic
Coating or plastic compositions
Metal-depositing composition or substrate-sensitizing...
106 84, C04B 3504
Patent
active
042318009
ABSTRACT:
This disclosure involves a dry heat setting refractory and method of using same in the securing of nozzles to nozzle blocks in steel pour ladles. The refractory is sized so that it can be placed between the nozzle and nozzle block in a dry condition, and then forms an adhesive bond in situ, when molten steel is poured into the ladle and onto the refractory. The composition comprises a sized refractory material, preferably having MgO in the fines fraction, and includes the addition of about 2 to about 6% hydrated alkali silicate, preferably sodium silicate, which forms a refractory bond when engaged by the hot metal.
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Cash Theodore P.
Holt John P.
Poer James
Valley Mineral Products Corporation
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