The clean room (class 100) is a key and strategic point of the process

The clean room (class 100) allows to internally treat the last packaging step and prevent contamination of the end-product that has just undergone stringent purification and filtration.

Returnable containers, specifically designed to minimize particle release (Route), are firstly washed, and then dried to enable packaging. 

Throughout the process, air is constantly maintained under pressure with continuous control of its purity and particle content in the acid.

A very low particle count can thus be guaranteed.

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