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Estone Products

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Scope of application

The main business of Anhui Estone Materials Technology Co., Ltd. is the research, production and sales of inorganic powder new materials; the main products are: Boehmite, silicon dioxide (all kinds of quartz), aluminum oxide and other advanced functional powder materials. Products are widely used in EMC , CCL , coatings, rubber, plastics, lithium battery diaphragm coating, LED light diffusion and other fields.

About Products

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Spherical quartz powder

SJS series spherical quartz powder is made of high-purity quartz powder with high-temperature sintering. Used in thermosetting resin, it can increase hardness, fluidity, heat resistance, and reduce the expansion coefficient and voltage resistance of the resin. The physical properties of spheres can result in the achievement of a high filling rate for furthering attaining excellent expansion resistance coefficient and voltage resistance, and also increases the hardness of the resin.

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Spherical Alumina

SJA series spherical alumina is a kind of α- alumina product. It is used as thermal conductive filler for epoxy resin, rubber and plastic and ceramic raw material. It has the following characteristics: (1) High filling rate: The particles have a high spherical ratio and narrow particle size distribution and can be used in epoxy resin, rubber, and plastic. (2) High thermal conductivity: Because it can be filled at high densities, a mixture with high thermal conductivity and good heat dissipation can be obtained compared to crystalline silicone. (3) Low abrasion: Due to its spherical appearance, the wear on equipment such as mixers, molding machines, and molds is greatly reduced.

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Bohemite

Synthetic resins, which are highly flammable, meet application requirements due to the addition of flame retardants. Among the many flame retardants available, aluminum hydroxide Al(OH)3 is the most widely used due to its water rich structure, good flame retardant effect, excellent acid and alkali resistance, and low cost. The product is manufactured using a new process. The product and production process have the following characteristics: (1) The content of ionic impurities is very low; (2) The process is independently developed by raw material suppliers, and the production cost is low; (3) The product particle size can be controlled, and the median particle size can be controlled between 1μm-4μm; (4) Products contain high contents of Bohemite (AlOOH), and the dehydration temperature of 1% above 350°C solves the problem of aluminum hydroxide causing defects in finished products due to water.

Items:

Spherical quartz powder

SJS series spherical quartz powder is made of high-purity quartz powder with high-temperature sintering. Used in thermosetting resin, it can increase hardness, fluidity, heat resistance, and reduce the expansion coefficient and voltage resistance of the resin. The physical properties of spheres can result in the achievement of a high filling rate for furthering attaining excellent expansion resistance coefficient and voltage resistance, and also increases the hardness of the resin.

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Spherical Alumina

SJA series spherical alumina is a kind of α- alumina product. It is used as thermal conductive filler for epoxy resin, rubber and plastic and ceramic raw material. It has the following characteristics: (1) High filling rate: The particles have a high spherical ratio and narrow particle size distribution and can be used in epoxy resin, rubber, and plastic. (2) High thermal conductivity: Because it can be filled at high densities, a mixture with high thermal conductivity and good heat dissipation can be obtained compared to crystalline silicone. (3) Low abrasion: Due to its spherical appearance, the wear on equipment such as mixers, molding machines, and molds is greatly reduced.

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Bohemite

Synthetic resins, which are highly flammable, meet application requirements due to the addition of flame retardants. Among the many flame retardants available, aluminum hydroxide Al(OH)3 is the most widely used due to its water rich structure, good flame retardant effect, excellent acid and alkali resistance, and low cost. The product is manufactured using a new process. The product and production process have the following characteristics: (1) The content of ionic impurities is very low; (2) The process is independently developed by raw material suppliers, and the production cost is low; (3) The product particle size can be controlled, and the median particle size can be controlled between 1μm-4μm; (4) Products contain high contents of Bohemite (AlOOH), and the dehydration temperature of 1% above 350°C solves the problem of aluminum hydroxide causing defects in finished products due to water.

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