Whether tire rubber or technical rubber from production: customers of diverse application areas benefit from Hosokawa Alpine’s solutions for cryogenic and ambient rubber grinding for maximum fineness. This task places special demands on machines and systems. For example, it is important to coat the grinding tools, as they otherwise wear out more quickly due to the fillers in the rubber which can lead to machine downtimes. Here, Hosokawa Alpine has developed special solutions for both ambient and cryogenic grinding.
Another challenge to the process is that finely ground rubber is very flexible and yields during screening. This complicates the screening process and requires special solutions, especially when classifying finenesses < 180 µm. The Stratoplex ASP II air classifier provides a remedy: the classic air classifier from Hosokawa Alpine can separate very fine fractions (e.g. 75 µm, 125 µm, 180 µm ...) from the ground material. For coarser fractions, a centrifugal screen is installed in the ambient system.