10.12.2016 - A TEC’s Rocket Mill® RM 2.50 doublestarts operation in Wiener Neustadt. Pre-sorted and shredded household and commercial waste with a bulk density ranging from 100-300 kg/m³ can be ground down to a size of 15mm with 50 per cent smaller than 5mm in only one step (depending on the size of the sieves).