Cryogenic Grinding - PALLMANN IndustriesCryogenic Grinding. Cryogenic Mills and Systems for the Plastics, Chemical, Pharmaceutical and Food Industries . Cryogenic Grinding Installations. Polyester. Elastomers. Copolymers. Synthetic rubber. Heat sensitive polymers. Composite materials. Cellulose ether . Laboratory cryogenic grinding system with Turbo Mill.turbo mill grind cryogenic rubber,REF Turbo Mill - PALLMANN IndustriesTurbo Mills, type REF are attrition and impact mills. The material is centrically fed into the V-shaped grinding chamber. The particles are speeded up by a fast rotating impeller. Size reduction is done by impact and friction and high frequency air whirling. Baffle rings of different inner diameter determine the air throughput and.