Recycling & Scrap Reclamation

Processors of all types try to avoid generating scrap, but when it is used it generally is re-used by putting it back into the process. Scrap generally falls within two categories: post-industrial and post-consumer. Industrial scrap includes off-spec parts, sprues and the like, and is usually reduced in size by devices such as granulators, shredders and pulverizers and re-fed into the machine. In post-consumer operations, recyclers take in bags, bottles and other end products. These are ultimately washed and pelletized and either sold by a recycler to processors or reprocessed into parts.

Related Topics: Recycling | Scrap Reclaim |

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Extrusion: Evaluating Screw Design for Multi-Material Recycling

Since many plastic products are made of a combination of materials with very different melting points, careful consideration must be given to designing screws when it comes time to recycle these products.