At present, the company’s production workshop is in a busy and orderly scene, with multiple large-diameter isostatic graphite barrels in the intense processing stage. From raw material selection to precision processing, every process strictly follows industry standards and production norms, striving to deliver high-quality graphite products to customers and provide reliable core component support for high-end production scenarios in various industries.

Graphite barrels, also known as graphite cylinders, are tubular components made of isostatic graphite as the core raw material. Among them, large-diameter graphite barrels, relying on their unique material properties and structural advantages, play an irreplaceable role in high-temperature heating related fields. Compared with ordinary graphite products, large-diameter isostatic graphite barrels are made by isostatic pressing forming process. This process applies uniform three-dimensional pressure to make graphite microcrystals evenly distributed in all directions, forming a blank with isotropy, uniform structure and high density, which fundamentally ensures the stability and consistency of the product and is the core foundation for its use as a heating element.

As a heating element, the core function of the large-diameter isostatic graphite barrel is to provide a stable and uniform thermal field for the middle area of the equipment. In practical application, it relies on the excellent high-temperature resistance of graphite material itself—it can withstand extreme temperatures above 2500℃, and still maintain good physical and chemical properties in high-temperature environment, not easy to melt or deform, and can generate heat stably for a long time, providing continuous heat support for various production processes that require high-temperature environment. At the same time, graphite material has high thermal conductivity, with a heat conversion rate of more than 90%, which can quickly convert electrical energy into thermal energy and conduct it evenly, effectively shortening the heating time, improving production efficiency, avoiding local overheating, ensuring uniform distribution of thermal field, and guaranteeing the stability of subsequent production processes and product quality.

The large-diameter isostatic graphite barrels processed this time are produced in strict accordance with relevant industry standards and customer customization requirements, adhering to the principle of “compliant manufacturing and quality first” throughout the process. We do not exaggerate product performance, do not fabricate application effects, and adhere to the bottom line of advertising law and industry norms. In the processing process, we implement strict quality control in every link. Starting from the selection of raw materials, we choose high-purity flake graphite as the raw material, strictly control the impurity content in the raw material, and ensure that the raw material meets the quality requirements of isostatic graphite products; in the forming link, we adopt mature cold isostatic pressing forming technology, accurately control key parameters such as forming pressure and pressure holding time, to ensure uniform density and stable structure of the blank; in the subsequent roasting, impregnation, high-temperature graphitization and precision processing links, relying on professional production equipment and an experienced technical team, we accurately control every process index, striving to make the dimensional accuracy, mechanical properties and thermal properties of the product meet the preset standards.

Large-diameter isostatic graphite barrels have a wide range of application scenarios, mainly concentrated in high-end manufacturing fields that require high-temperature thermal field support. In the semiconductor industry, it can be used as the core heating component of single crystal silicon furnaces and silicon carbide single crystal growth furnaces. Relying on the characteristics of high purity (ash content can be lower than 5ppm) and low thermal expansion coefficient, it ensures the stability of the thermal field during crystal growth, avoids impurity pollution, and helps improve the quality and yield of semiconductor crystals. As an important consumable for silicon carbide single crystal growth, isostatic graphite also provides strong support for the localization and large-scale development of the semiconductor industry; in the photovoltaic industry, it can be used in the thermal field system of single crystal silicon Czochralski furnaces, improving the growth efficiency of single crystal silicon and reducing production energy consumption through stable heating performance and efficient heat conduction, providing support for the green development of the photovoltaic industry; in addition, in fields such as vacuum heat treatment, aerospace material preparation, and metal powder metallurgy, large-diameter isostatic graphite barrels can also adapt to extreme working conditions with their excellent performance, providing core component guarantee for the high-end development of related industries.

Compared with ordinary specifications of graphite barrels, large-diameter isostatic graphite barrels are more difficult to process, and have stricter requirements on production equipment, process accuracy and technical level. The large-diameter structure means that the product is more prone to deformation, cracking and other problems during processing. Therefore, in the processing process, we effectively avoid various processing risks by optimizing processing technology, adjusting cutting parameters, and strengthening process detection, to ensure the structural integrity and dimensional accuracy of the product. At the same time, we pay attention to the standardization and normalization of the production process. All processing links have clear operating procedures and quality standards, and each product will undergo strict finished product inspection. Only products that meet the standards can enter the subsequent packaging and delivery links.

For a long time, the company has been focusing on the R&D, production and sales of isostatic graphite products. With years of experience in the industry, it has accumulated rich production experience and technical strength, always adhering to the concept of compliant operation and integrity-based, resolutely eliminating irregular behaviors such as exaggerated publicity and false publicity, and winning the trust and recognition of customers with high-quality products and professional services. The processing of the large-diameter isostatic graphite barrels this time is not only a test of the company’s production capacity and technical level, but also a concrete embodiment of the company’s efforts to help the upgrading of the high-end manufacturing industry.

At present, the processing of large-diameter isostatic graphite barrels is progressing in an orderly manner. The technical team and production workers cooperate closely to strictly control the quality and production progress, striving to complete the processing task on time and deliver high-quality products that meet customer needs. In the future, the company will continue to deepen in the field of isostatic graphite products, continuously optimize production processes, improve product quality, focus on the core needs of customers in various industries, R&D and produce more high-quality graphite products that fit actual application scenarios, adhere to the bottom line of compliance, fulfill corporate responsibilities, and contribute more to the high-quality development of the high-end manufacturing industry.