Which type of nozzle tip should be avoided when spraying wettable powders?

When dealing with wettable powders, the type of nozzle tip used can significantly impact performance and effectiveness. Brass tips should be avoided when spraying wettable powders due to their propensity to corrode when they come into contact with certain chemicals found in these powders. Over time, this corrosion can lead to a degradation of the nozzle's structure, affecting the spray pattern and the consistency of application.

Furthermore, wettable powders require a specific spray pattern to ensure proper mixing and distribution. Nozzles that corrode can produce inconsistent spraying, which may result in uneven application of the product and potential crop damage or ineffective pest control.

In contrast, plastic tips, stainless steel tips, and ceramic tips are generally more resistant to corrosive chemicals and can better handle the specific requirements of spraying wettable powders. These materials tend to maintain their integrity and provide a more reliable performance over time.