Coal ash casting paint
A casting coating and fly ash technology, which is applied in the field of casting coatings and fly ash casting coatings, can solve the problems of great harm, air pollution, surface pollution and fresh water resources, and achieve excellent performance
Inactive Publication Date: 2008-06-11
JINAN SHENGQUAN GROUP SHARE HLDG
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The invention belongs to the technical field of foundry, and relates to fly ash foundry coating. The invention provides foundry coating which is prepared through taking solid waste, namely the fly ash, which is produced after coal is burned as refractory aggregate, and the foundry coating is used for various nonferrous alloys and sand molds (cores) of iron castings. The foundry coating is prepared by materials according to the following weight proportion, the fly ash wt 20-100% and refractory powder wt 0-80% are taken as the refractory aggregate, and suspension concentrate, binder, thickener and carrier liquid are added to manufacture the foundry coating. The beneficial effects of the invention are that the invention provides the fly ash with an approach of waste secondary utilization, undisturbed fly ash is processed into refractory aggregate particle sizes which can be used for the foundry coating, the fly ash foundry coating which is manufactured can be applied to various different casts, performances such as coating high temperature crack resistance, coating surface strength, gas forming amount are good, and various requirements of the forging can be satisfied.
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