Plastic lump crusher for recovering injection moulded & blow moulded solid waste as purged lump or pinch off waste from large blow moulded container. Protech slow speed screen less lump crusher operates at 25 rpm only and having combination of powerful bitter knives for initial breaking of lumps in to acceptable small sizes for subsequent toothed roller to perform final size reduction. The process of crushing is almost sound less and at 25 rpm only the life of crushing bitter and roller is very prolong even almost 10/15 years. The final grind particles could be collected by air cyclone .

Toughest plastic waste like thick injection purged lump, large pinch off of blow moulded container could be grinder without any fear of tool breakages and at 25 rpm the sound level is minimum .