| 摘要 |
1486398 Gunning composition KAISER ALUMINIUM & CHEMICAL CORP 20 April 1976 [26 Sept 1975] 15937/76 Heading C1J A refractory composition, suitable for gunning by the method wherein water is mixed with the composition in a gun nozzle, comprises by weight of the total composition, (1) 1-5% aluminium sulphate, (2) 0À5-5% hydrated lime, (3) 0À5-5% of bentonite, the balance being (4) sized refractory grain. Preferably the refractory grain contains at least 10% magnesia, e.g. periclase containing at least 90% MgO, or is aluminosilicate grain. Preferably the weight ratio of aluminium sulphate to hydrated lime is 2 to 3 : 1. |
