Pooling Strength, Forging Excellence | Zhenghe Participates in the First Specialized Training Course on the Silica Sol Shell-Making Process
Release date:
2026-09-30
Dedicated to refining and perfecting practical applications, we are deeply committed to mastering the core technologies of silica sol. Recently, Hubei Zhenghe participated in a specialized training program on investment casting, leveraging learning to drive advancement and honing cutting-edge expertise, thereby harnessing professional know-how to propel high-quality industrial development.
To optimize the performance of silica sols specifically tailored for investment casting and to iteratively refine shell‑making process protocols while staying abreast of cutting-edge industry trends, the Zhenghe team attended the Precision Casting Management and Technology Training—The First Specialized Course on Silica Sol Shell‑Making Processes—from September 16 to 19.
This training program brings together leading experts and seasoned frontline technical specialists from China’s investment casting industry. The curriculum is tailored to address the key pain points and challenges faced by enterprises, offering systematic, hands-on instruction centered on the full‑range applications of silica sol.
Course Content:
- Quality Control in Silica Sol Production and Shell-Molding Additives
- Quality Control of Silica Sol-Based Shell Molds, Defect Analysis, and Solutions
- Development of ultra-large formwork shell fabrication and rapid-drying thin-shell technology
- Refractory material systems, precision investment casting shell fabrication for high‑temperature alloys, and ceramic core technology.
- Lean Management in Investment Casting Production and Comprehensive Performance Testing of Shell-Molding Slurry
The training program features dedicated one‑on‑one expert Q&A sessions to address common production challenges in the casting industry, such as shell cracking, peeling, and sand adhesion. In addition, participants will visit benchmark enterprises—including Wuhan Yinyu Precision Casting, Zhongjing Technology, and Yiqiang Technology—for on‑site observations, fostering a seamless integration of theory and hands‑on practice.
Silica sol is a critical material in the precision casting industry, with its quality and stability directly impacting shell preparation and casting quality. During the training period, the team engaged in in-depth discussions with industry experts and leading upstream and downstream companies on technical challenges such as silica sol slurry formulation and shell‑making processes, sharing practical experience and gaining a clear understanding of the real‑world needs of precision‑casting enterprises regarding materials, processes, and technical services. Zhenghe focuses on the R&D, production, and supporting services for silica sol, continuously refining its product portfolio to deliver highly stable, highly compatible solutions. For precision‑casting applications, we place particular emphasis on:
• Properties and Stability of Silica Sol
• Adaptation requirements for different precision casting processes
• Shell preparation and coating system compatibility
• Control of key parameters such as particle size and SiO₂ content
• Product quality stability and batch-to-batch consistency
Deeply rooted in silica sol technology, we serve the precision casting industry. Zhenghe continuously advances product R&D and application, leveraging high‑quality silica sols and end‑to‑end shell‑making technical services to help precision casting companies enhance quality and efficiency, while working hand in hand with industry partners to drive the sector’s move toward refined, high‑quality development.
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