Separating Sand | screening machines for best .
Separating sand with RHEWUM Machines. Processing of casting sand for reuse. Sand is the perfect material to shape liquid metals. The sand is screened, mixed with binding agents and then formed to the deadmould. This sand core later on shapes the metal. Usually clay is used as binder as well as sorts of sand with a high clay content, the so called foundry sand. After hardening of the moulded ...