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Vinyl record circularity: WEIMA and Wanner support inline production recycling

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Home > News > Recycling

Vinyl record circularity: WEIMA and Wanner support inline production recycling

Source：Adsale Plastics Network Date ：2025-08-01 Editor ：RC
Copyright： This article was originally written/edited by Adsale Plastics Network (AdsaleCPRJ.com), republishing and excerpting are not allowed without permission. For any copyright infringement, we will pursue legal liability in accordance with the law.

Record Industry, one of the world’s largest automated vinyl pressing plants in Haarlem, the Netherlands, recycles PVC plastic production waste on site using shredding technology from WEIMA and Wanner.

 

Inline recycling of production waste

 

During each pressing process, an approx. 20 mm wide protrusion of PVC material - i.e. the remainder of the puck - is created on the outside due to the process. This is sheared off, giving the record its final circular shape.

 

Next to each pressing machines is a compact C-series granulator from Wanner in Wertheim, Germany. The production waste is automatically discharged from the pressing machine and transported into the granulator's hopper.

 

Within seconds, the offcuts are shredded into flakes approx. 4 mm in size and fed to the extruder via a mixing chute. This results in no waste, as the edge trimmings are processed directly inline.

 

Additional recycling line for defects

 

For pucks and records that do not meet quality requirements, they have to be processed separately. An additional recycling line is set up next to the pressing machines.

 

A WEIMA WLK 4 single-shaft shredder was put into operation for shredding predominantly mixed PVC residues. Material can be loaded manually or by forklift from big bags via a conveyor belt.


CD inline recycling_WEIMA WLK 4 shredder.jpg


WEIMA WLK 4 plastic shredder.

CD inline recycling_process.jpg


Feeding the shuttering panels and PVC remnants onto the conveyor belt.


CD inline recycling_waste in WEIMA WLK 4.jpg


Shredding of shuttering panels and PVC plastic waste in the WEIMA WLK 4.

 

The WEIMA shredder pre-shreds the PVC to approx. 25 mm flakes before it is re-shredded to approx. 4 mm granulate via a further conveyor belt with metal detector in a Wanner granulator of the Dynamic series.


CD inline recycling_Wanner granulator.jpg


Wanner granulator.

 

To improve the processability of the material, the resulting recyclate is fed through a dedusting system to remove the fine dust from the ground material.

 

Reusing colorful PVC flakes

 

The end product is high-quality PVC flakes that can be reused in the record pressing production process. The colorful mixture of flakes creates an individual marbled coloration during pressing.


CD inline recycling_colorful PVC flakes.jpg


Colorful PVC flakes.

 

Thanks to these colorful records, Record Industry now have a 100% recycled product in its range.


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Source：Adsale Plastics Network Date ：2025-08-01 Editor ：RC
Copyright： This article was originally written/edited by Adsale Plastics Network (AdsaleCPRJ.com), republishing and excerpting are not allowed without permission. For any copyright infringement, we will pursue legal liability in accordance with the law.

Record Industry, one of the world’s largest automated vinyl pressing plants in Haarlem, the Netherlands, recycles PVC plastic production waste on site using shredding technology from WEIMA and Wanner.

 

Inline recycling of production waste

 

During each pressing process, an approx. 20 mm wide protrusion of PVC material - i.e. the remainder of the puck - is created on the outside due to the process. This is sheared off, giving the record its final circular shape.

 

Next to each pressing machines is a compact C-series granulator from Wanner in Wertheim, Germany. The production waste is automatically discharged from the pressing machine and transported into the granulator's hopper.

 

Within seconds, the offcuts are shredded into flakes approx. 4 mm in size and fed to the extruder via a mixing chute. This results in no waste, as the edge trimmings are processed directly inline.

 

Additional recycling line for defects

 

For pucks and records that do not meet quality requirements, they have to be processed separately. An additional recycling line is set up next to the pressing machines.

 

A WEIMA WLK 4 single-shaft shredder was put into operation for shredding predominantly mixed PVC residues. Material can be loaded manually or by forklift from big bags via a conveyor belt.


CD inline recycling_WEIMA WLK 4 shredder.jpg


WEIMA WLK 4 plastic shredder.

CD inline recycling_process.jpg


Feeding the shuttering panels and PVC remnants onto the conveyor belt.


CD inline recycling_waste in WEIMA WLK 4.jpg


Shredding of shuttering panels and PVC plastic waste in the WEIMA WLK 4.

 

The WEIMA shredder pre-shreds the PVC to approx. 25 mm flakes before it is re-shredded to approx. 4 mm granulate via a further conveyor belt with metal detector in a Wanner granulator of the Dynamic series.


CD inline recycling_Wanner granulator.jpg


Wanner granulator.

 

To improve the processability of the material, the resulting recyclate is fed through a dedusting system to remove the fine dust from the ground material.

 

Reusing colorful PVC flakes

 

The end product is high-quality PVC flakes that can be reused in the record pressing production process. The colorful mixture of flakes creates an individual marbled coloration during pressing.


CD inline recycling_colorful PVC flakes.jpg


Colorful PVC flakes.

 

Thanks to these colorful records, Record Industry now have a 100% recycled product in its range.


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