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28 Mar 2016 - 11:17:48 am

Plastics recycling within the automotive industry

The use of plastics in automobiles has continued to develop over the past 20 years. The principal reason for this is that they help to reduce automobile mass. A lighter car consumes much less fuel, which also translates into much less exhaust emissions. In addition, plastic parts aren't prone to corrosion, offer flexibility and resilience for added protection, have excellent thermal insulation, reduce noise and allow optimum space usage. Today, an average vehicle includes 12-15% plastic parts. Let's assume that an average car weighs 1300 kg, this amounts to 150-200 kg of plastic per automobile.


The figures above clearly show the large prospect of plastics recovery that lies in the automotive sector. The European countries Union's End-of-Life Automobile Directive 2000/53/EC works as an important driver for recycling in the motor vehicle industry, establishing sufficient systems for the assortment of ELVs and tightened environmental treatment specifications. It pieces goals for the recovery of automobile recycling and components, and encourages manufacturers to design their automobiles with the reuse and recycling of parts in mind. According to the directive, presently a minimum of 85% by an average pounds of an end-of-life vehicle should be reused or retrieved, including 5% energy recovery. January 2015 as of, the speed of reuse and recovery should achieve a minimum of 95% with a minimum of 85 % recycling by an average weight per vehicle each year.


The plastic parts used in the automotive industry are injection shaped mainly, such as for example dashboards, bumpers, fluid tanks, handles, buttons, casings, containers, clamps, and sockets. The recycling challenge here is that very often strengthened plastics, in addition to two- or multi-component injection molded parts are utilized.


Plastic parts through the automotive industry have unique requirements for recycling that need sheet extrusion line to be looked at to be able to get yourself a product that is fit for further usage. Removing odor and contaminants by high-vacuum extraction and melt purification, as well as intro of additives for up-cycling will be the main issues to be studied into account. Process flexibility for quick and effective material changeover and a wear-resistant machine style - for recycling reinforced plastic parts which contain cup fiber, for instance - allow recyclers to procedure diverse input components.


Volatile and solid impurities need to be extracted to be able to produce high-quality regranulate suitable for reuse thoroughly. Particular vacuum degassing extruder modules enable reprocessing of coloured and contaminated parts. Based on the type of contaminants, different filtration system systems and sizes are utilized which also help decrease melt loss.
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