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Graphite Mold For Glass Blowing

Graphite molds have broad application prospects and important value in the glass industry. With the continuous advancement of technology and the continuous development of the market, the performance and production process of graphite molds will continue to be optimized and improved.
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  • Customized

  • NHD

1. Excellent performance of graphite mold

Excellent thermal and electrical conductivity: Graphite mold can quickly transfer heat to glass, making it evenly heated.

Thermal stability and resistance to heating shock: Graphite has a low linear expansion coefficient, is dimensionally stable at high temperatures, and is not easily deformed by temperature changes.

Chemical corrosion resistance: Graphite is not easy to react with most metals and will not change the composition of glass.

High temperature strength: The strength of graphite increases with temperature at high temperatures (such as the sintering temperature of most copper-based matrices above 800°C), and it can withstand the high temperature environment during glass manufacturing.

Lubrication and wear resistance: The graphite surface has a certain lubricity, which can reduce the friction between the glass and the mold and prevent the glass from breaking during processing.

Easy to process: Graphite has good mechanical processing performance and can be made into molds with complex shapes and high precision.

2. Application of graphite molds in the glass industry

Hot-bent glass: Graphite molds play an important role in the manufacture of hot-bent glass. It can ensure that the glass maintains a constant temperature and shape during heating and bending, thereby producing hot-bent glass products with smooth appearance and precise dimensions.

Fluorocarbon glass: In the production process of fluorocarbon glass, graphite molds as reducing agents can remove impurities in the glass and provide a source for fluorocarbon glass reinforcement. At the same time, the high temperature stability and chemical stability of graphite molds also help to ensure the quality and performance of fluorocarbon glass.

3D curved glass: Graphite molds play a key role in the preparation of 3D curved glass. By using high-performance graphite molds, 3D curved glass products with complex curved shapes and high precision can be manufactured to meet the requirements of electronic products for glass appearance and performance.

Glass tubes and other special-shaped glass bottles: Graphite molds are also used to manufacture glass tubes and special-shaped glass bottles of various shapes. These products are widely used in medicine, chemical industry, food and other fields. The precision and durability of graphite molds enable manufacturers to produce glass products with complex shapes and precise sizes.


4. Service life and maintenance of graphite molds

The service life of graphite molds is generally 2~3 years, and the specific life depends on the use environment and conditions. In order to extend the service life of graphite molds, regular maintenance and care are required. This includes cleaning the mold surface, checking the wear of the mold, and replacing damaged parts in time. At the same time, care should be taken to avoid improper operations such as excessive wear and collision during use.


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Jiangxi Ningheda New Material Co., Ltd. is mainly engaged in graphite product processing, graphite product matching service, providing graphite materials, graphite electrode and graphite products for various high temperature industries.

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 sales@nhdcarbon.com
 No. 966 of Tiangong South Avenue, High-tech Industrial Park, Fengxin County, Yichun City, Jiangxi Province, China.

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