Using technology made more efficiently by a High-speed, short wave Infra-red (SWIR) Hyperspectral Detection System, the MACH Hyspec® can sort different types of material, such as Plastics (PET, HDPE, PVC, LDPE, PP, PS, etc. Optical selector for mixed materials, completes the range of recycling machines and equipment, Stokkermill has developed a series of optical separators that allow you to select the metal fractions according to the color and size of the materials involved in the recovery and recycling activity. Optical Sorters - PETKUS Technologie GmbH Skip to main contentSkip to page footer Get In Touch Find a PETKUS Rep DeutschEnglishRussian Deutsch|English|Russian You are here: Home Products Sorting Optical Sorters Sorting Coating Drying Conveying Storage Sorting Coating Drying Conveying Storage Screening Drums separate the material into fractions of different sizes. Trommel Screens ensure the separation of oversized particles in compost, wood chips or soil. For example, specific models have been. ns for conventional and challenging sorting applications. The SORTEX A range has four technology variant, each designed in different l ting the subtlest colour v e performance for a uniform, premium quality end product. Bühler proprietary technologies min mise loss of good product while maximising.