Alcohol-group coating for V-method casting and preparation method thereof
A coating and alcohol-based technology, which is applied to casting molding equipment, coatings, casting molds, etc., can solve the problems of easy precipitation and hardening of slurry or paste alcohol-based coatings, increase the cost of foundry enterprises, and difficult recycling of packaging barrels, etc., to achieve Excellent sand resistance, high production efficiency, and low packaging cost
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[0024] The present invention will be further described in detail below in conjunction with specific embodiments: a method for preparing the above-mentioned V-method casting alcohol-based coating, which is characterized in that it includes the following steps: 1) Using a suspending agent, a binder and an alcohol solvent to prepare a composite slurry , by weight percentage, the content of the suspending agent is 15% to 25%, the content of the binder is 20% to 30%, and the rest is alcohol solvent; 2) Weigh the refractory powder, and the refractory powder The material is put into the roller mixer at one time, and it is necessary to ensure that the feeding and capping operations are correct during the feeding process; 3) start the roller mixer, and while rolling the refractory powder, Add the composite slurry accounting for 10% to 14% of the weight of the refractory powder, and continue rolling; first make the refractory powder wet with a small amount of suspending agent and binder ...
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