Independent Study of Shrink-Sleeved PET Bottle Sorting Capability : MSS CIRRUS Tops PET Optical Sorter Study for New PET Bottle Labeling Material

MSS CIRRUS PET Recycling optical sorting PET bottle
© MSS CIRRUS

Nashville, Tennessee based optical sorting equipment manufacturer, MSS Inc., has secured top spot in an independent study of average sorting performance presented at the APR Technical Forum in New Orleans, Louisiana.

According to the company, a part of the CP Group, the test was intended to determine whether a new type of polyolefin-based shrink label for PET bottles, manufactured by UPM Raflatac, could be commercialised in the current PET market with the existing infrastructure.

The test also determined whether the labels could be properly separated both by resin and color.

MSS explained that the testing was facilitated and performed by Plastics Forming Enterprises, LLC, an independent full service testing and R&D company serving the plastics, packaging, recycling and consumer products industries.

The evaluation was carried out at the testing centres of six optical sorter manufacturers and involved several trial runs of sample bottles, as well as other runs of sample bottles mixed in with random PET and Non-PET plastic bottles.

The testing focused on the identification of PET bottles of various colours (substrate) behind the partially or fully sleeved label of various colors, and whether they could be positively or negatively sorted as separate categories.

According to MSS its CIRRUS® system achieved the highest average test score (88.2%) amongst the six optical sorter manufacturers.

Felix Hottenstein, MSS sales director said that the study underlines the performance of MSS proprietary CIRRUS NIR + Color sensing and identification hardware and software, including NIR cameras and channelised scanners.

He added that it also applies to flake sorting applications as well.

"The CIRRUS® is MSS’s latest generation of high-resolution NIR, colour and metal sensor technology," commented Greg Thibado, MSS vice president. “This technology allows MSS to offer solutions for some of the toughest sorting requirements.”

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