Metal die-casting release agent

During the process of die-casting and casting, the mold is constantly heated by high-temperature liquid metal, and its temperature continues to rise. Excessive mold temperature will cause some defects in die-casting parts, such as sticking, bubbling, cracking, and hot cracking. At the same time, if the mold works in a high-temperature environment for a long time, the strength of the mold material will decrease, causing surface cracks on the mold and reducing its service life. To alleviate and solve the above problems, spraying or coating release agents are often used in die-casting production.

Aluminum alloy die-casting release agent forms a protective film on the surface of the mold, reducing the thermal and mechanical impact of the aluminum alloy liquid on the mold material, reducing the friction and wear of the casting on the mold surface, and slowing down the physical and chemical effects of the aluminum alloy liquid on the mold material. The performance of the film has a significant impact on the lifespan of the mold. In die-casting practice, the vast majority of release agents are water-based. It must be diluted with water, and the recommended dilution ratio for most release agents is 50-100.

Release agent is designed for special molding processes and is an auxiliary agent used in the production of metal die-casting products. Its main function is to help metal die-casting products be removed from the mold and maintain their integrity and post-processing ability.

 The main function of release agent is to form a uniform release film on the surface of the mold, so that the molded product can be released. The second function is to consider the quality and style of the surface of the molded product, the feasibility of scale and cleaning on the mold, and the feasibility of coating. Other factors to consider include: product storage life, product stability, user (and manufacturer) health or safety concerns, and corrosion issues. The basic components of release agents include different types of wax, resin, oil, and silicone oil. The release agent used for metal die-casting products is mainly an external release agent.