Removal of metal from plastic parts

The design of some plastic parts requires the inclusion of metal for their correct functionality, however, during the dismantling, shredding, separation/detection processes, this metal must be removed. In the end-of-life process, this removal is extremely complex, in order to ensure that the polymer is free from metals. This plastic-metal combination is common in the electricity, electrical appliances, technical or automotive sectors, for example.

ALSER has the necessary technology for the different treatment and processing stages, making it possible to remove the various metals and guarantee the purity of the polymer.

Densimetric separation

This process makes it possible to treat materials that are combined with other elements such as:

  • Other polymers.
  • Small metal inserts.
  • Foam, insulators, laminates, etc.
  • Dust and small particles (or volatile compounds).

The purity of the polymer is therefore enhanced by removing those particles that either add no value or degrade it.

Removal of metal from plastic parts

The design of some plastic parts requires the inclusion of metal for their correct functionality, however, during the dismantling, shredding, separation/detection processes, this metal must be removed. In the end-of-life process, this removal is extremely complex, in order to ensure that the polymer is free from metals. This plastic-metal combination is common in the electricity, electrical appliances, technical or automotive sectors, for example.

ALSER has the necessary technology for the different treatment and processing stages, making it possible to remove the various metals and guarantee the purity of the polymer.

Densimetric separation

This process makes it possible to treat materials that are combined with other elements such as:

  • Other polymers.
  • Small metal inserts.
  • Foam, insulators, laminates, etc.
  • Dust and small particles (or volatile compounds).

The purity of the polymer is therefore enhanced by removing those particles that either add no value or degrade it.

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Modifications

The final phase of the extrusion – compounding process is to modify the characteristics of the polymer:

  • Mineral fillers
  • Impact mod.
  • Fluidity mod.
  • Colourant
  • Reinforcements
  • Antioxidants

The treatment of paint on plastic parts

In some large sectors plastic provides exterior visibility as an aesthetic finish and is an essential part of the design. Clearly the final appearance must be attractive, differentiating and innovative. It is an excellent marketing tool for product positioning in the automotive, electrical appliance, computing, smartphone and communication sectors.

These extremely demanding sectors have a high scrap rate for manufactured/finished parts and this creates waste which, without the correct treatment, would end up having a high management cost “as rubbish”.

These designs complicate the normal treatment of polymers, given that their surface has been treated with other decorative finishes (paint, varnish, lacquer, chrome plated, metal coated, etc.) Although these layers appear to be the same colour, the application systems are different, as are the pigment compositions, the chemical reagents to consolidate the said processes, etc. This all complicates the normal treatment of this polymer still further.

ALSER has the capacity to process these polymers, with the above mentioned complexities PP, ABS, PC, ASA, PA6, PA66. To do so, a prior analysis is required of the composition of the decorative “coat” applied to the surface. Based on this study, different steps can be identified in order to optimise the result.

Modifications

The final phase of the extrusion – compounding process is to modify the characteristics of the polymer:

  • Mineral fillers
  • Impact mod.
  • Fluidity mod.
  • Colourant
  • Reinforcements
  • Antioxidants

Tratamiento de pintura en piezas de plástico

In some large sectors plastic provides exterior visibility as an aesthetic finish and is an essential part of the design. Clearly the final appearance must be attractive, differentiating and innovative. It is an excellent marketing tool for product positioning in the automotive, electrical appliance, computing, smartphone and communication sectors.

These extremely demanding sectors have a high scrap rate for manufactured/finished parts and this creates waste which, without the correct treatment, would end up having a high management cost “as rubbish”.

These designs complicate the normal treatment of polymers, given that their surface has been treated with other decorative finishes (paint, varnish, lacquer, chrome plated, metal coated, etc.) Although these layers appear to be the same colour, the application systems are different, as are the pigment compositions, the chemical reagents to consolidate the said processes, etc. This all complicates the normal treatment of this polymer still further.

ALSER has the capacity to process these polymers, with the above mentioned complexities PP, ABS, PC, ASA, PA6, PA66. To do so, a prior analysis is required of the composition of the decorative “coat” applied to the surface. Based on this study, different steps can be identified in order to optimise the result.