Potassium hydroxide is widely used, especially in the chemical industry. This product has such a wide range of applications. How much do you know about it? Next, I will give you a detailed explanation of the method of refractory adhesives.
Sequential addition of 8 kg, 7 kg of powdered sodium carbonate (soda ash) and 30 kg of metal silicide in the reaction tank, followed by 60 L of water. Natural reactions are initiated in the reactor, and severe reactions are initiated in the lower layer. Convection occurs from the lower side to the upper side of the reactor.
The reaction temperature rises naturally. When the reaction temperature is in the range of 80-90 C, the reaction state is active. The reaction temperature should not exceed 92 C. The reaction ends in about 10 hours and solids are separated. About 48L (about 70kg) refractory liquid can be obtained. The residual solid is metal silicide block. If washed with water, the residual metal silicide block is about 22 kg. In this remnant metal silicide block, about 8 kg of metal silicide block is added, and the total amount of 30 kg of metal silicide is supplied to the secondary reaction.
Similarly to the first reaction, 8 kg of sodium carbonate powder (soda ash) and 7 kg of sodium carbonate powder (Asahi Nitrate Co., Ltd.) were added in the reaction tank. Then, 22 kg of residual metal silicide and 8 kg of new metal silicide were added in turn. Then 60 L of water was added to start the reaction of preparing refractory solution twice.
In preparation, according to the order of adding granular potassium hydroxide, powder sodium carbonate (soda ash) and metal silicide blocks, and then adding water, the reactions begin from the lower layer, which can form an active upward and downward convection reaction. The refractory liquid prepared by this method has better performance.
Above is a summary of the preparation of potassium hydroxide refractory adhesives. Through the above content, you can get a general understanding of the preparation method, and this preparation can be applied to thick cardboard, polystyrene foam plastics, etc. I hope the content described in this paper will be helpful to you.
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