Phosphating Solution_Workpiece Coating Pretreatment Phosphating Rust Return Causes and Countermeasures!

Release Time:

2025-07-11

Hello everyone! Entering July truly marks the arrival of the hot summer season, with the blazing sun making it hard to endure; July is also a season of frequent rain, with short midsummer nights and open windows welcoming the cool breeze. With the arrival of heavy rain, the issue of rust reappearing between pretreatment processes of workpiece coating has become a headache for many customers. Rust on workpieces directly affects the quality of the pretreatment film formation, which in turn impacts the coating effect; therefore, how to effectively prevent rust between processes is one of the key tasks in summer pretreatment coating. Below, we share the causes of rust reappearance during the ceramic treatment process and protective measures.

Hello everyone! Entering July truly marks the arrival of the hot summer season, with the blazing sun making it hard to endure; July is also a season of frequent rain, with short midsummer nights and open windows welcoming the cool breeze. With the arrival of heavy rain, the issue of rust reappearing between the pretreatment processes of workpiece coating has become a headache for many customers. Rust on the workpieces directly affects the film quality of the pretreatment, which in turn impacts the coating effect; therefore, how to effectively prevent rust between processes is one of the key tasks in summer pretreatment coating. Below, we share the causes of rust reappearance during the ceramic treatment process and protective measures.

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