Refining agents are tailored to the specific requirements of different metals and alloys. Each metal has unique chemical properties and impurity profiles, necessitating the use of specialized refining agents. Below are some common types of refining agents used in the casting industry:

• Aluminum Refining Agents: Aluminum is prone to hydrogen absorption and oxide formation during melting. Refining agents for aluminum typically contain chlorine, fluorine, or nitrogen compounds, which react with hydrogen and oxides to form gases or slag. These agents are often introduced into the molten metal through inert gas purging or tablet form.

• Copper Refining Agents: Copper refining focuses on removing oxygen, sulfur, and other non-metallic inclusions. Phosphorus-based agents are commonly used for deoxidation, while sulfide-forming agents help remove sulfur. Fluxes containing borax or silica are also used to create a protective slag layer.

• Magnesium Refining Agents: Magnesium is highly reactive and susceptible to oxidation. Refining agents for magnesium often include fluxes containing calcium, barium, or rare earth elements, which stabilize the molten metal and prevent oxidation.

• Iron and Steel Refining Agents: In iron and steel casting, refining agents are used to remove carbon, sulfur, and phosphorus. Lime-based fluxes are commonly employed to form slag, while aluminum or silicon compounds are used for deoxidation.

The selection of refining agents depends on factors such as the composition of the molten metal, the type of impurities, and the casting process. Proper use of these agents ensures the production of high-quality metal with minimal defects.

Xiangtan Hexinsheng New Materials Co., Ltd. is a high-tech enterprise with scientific and technological innovation. It has been rated as Class A tax credit for many years. It has two divisions: Division I develops high-performance monolithic refractory materials and precast shapes, with reliable product quality and superior performance. Division II develops refining systems for metallurgical and foundry:  top blowing argon gas protection and bottom gas diffusers system to refining & purification of molten metal in induction furnace & steel ladle (patented technology), this system can significantly improved mechanical properties and reduce the bubbles and impurtities.

After more than 20 years of ingenuity development, Xiangtan Hexinsheng New Materials Co., Ltd. now has a skilled team. With excellent service quality and professional technical strength, it provides users with higher and better technical services and products. The products are widely used in alloy smelting, mechanical casting, steel and nonferrous metals, and are sold well at domestic and abroad.
Xiangtan Hexinsheng New Materials Co., Ltd. has passed ISO9001:2015 quality management system certification, strengthened quality management and dedicated to improving value for our customers. At the same time, we also provide excellent services and solutions for users' selection design, application construction, etc. We sincerely hope to establish win-win cooperation with you and create brilliance together...