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The rubber compression molding method is not easy to produce the uneven density and directionality of the green body during compression molding(brown fused alumina powder). The cold isostatic pressing method can be divided into wet method and dry method. The basic idea of this method is that the wet method applies the same hydrostatic pressure to the rubber mold from all directions at the same time(aluminium oxide abrasive powder), so an ideal pressurized body can be obtained.

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However, the molding process is quite time-consuming and poor in manufacturability(aluminum oxide grit mesh size f16). At present, the wet method and its equipment are developing in the direction of large-scale and high-pressure. Recently, we are working on the application of this method to silicon nitride and silicon carbide. It can be seen that the dry method is to fix the rubber mold in a high-pressure container(white aluminum oxide dental), and pressurize from the periphery of the mold except for the powder filling port.

(cheap low soda alumina wholesale suppliers china)Therefore, it can be said that the wet cold isostatic pressing method is a method suitable for large-scale products, small-batch production products, and trial products(white corundum sand). The characteristic of this method is that it is suitable for mass production of products with a single shape due to the realization of all the automation from the powder filling to the blank to the taking out process(alumina blasting). The pouring speed is high, and the speed does not change with time is the characteristic of this method.

The basic principle is to add thermoplastic resin, paraffin, plasticizer and solvent to the ceramic powder(aluminum oxide polish), put the heated and mixed blank in the molding machine to heat and melt, and then inject it into the metal mold from the nozzle. Then cool and solidify. The injection molding method is the same as the metal pressure casting method. It can also be said to be a product molding method that requires complex shapes(brown fused aluminum oxide sandblasting abrasive), dimensional accuracy, and high surface smoothness, and requires mass production.

With the increasing number of high-temperature and high-strength ceramic parts used in various heat engines in the future(brown aluminum oxide 120 grit blast media), the above requirements are getting higher and higher, and we look forward to further improvements to this method(80 grit aluminum oxide for cerakote). The subject of this method is that it requires very precise temperature control and long-term degreasing treatment, in order to completely remove 15-30% of the resin contained in the bad material before sintering.(cheap low soda alumina wholesale suppliers china)

Without adding any resin, the billet kneaded with water is injected into a metal mold cooled with liquid nitrogen(silicon carbide grinding), and the mold is released after freezing and solidification, so that the slurry casting method using clay as the billet has been used in ceramics long ago Formation of tableware and sanitary ware(aluminum oxide 80-90 grit). In recent years, this method has been applied to non-clay-based oxidation pots or high-temperature and high-strength ceramics such as silicon carbide, silicon nitride, and sialon oxide.

(cheap low soda alumina wholesale suppliers china)In order to use as little water as possible to obtain a glaze with good fluidity and uniform wall sequence(white fused alumina micro powder), choosing a suitable glue-releasing agent (dispersant), as well as studying casting methods and accumulating technical experience are the key to the development of grouting technology. Mold materials that can replace stone arm molds that can be precisely made and have a long life are the research topics of the mud casting method(aluminum oxide 40/60 grit). It is also approaching the stage of practical use.