New PE Applications Help to Quickly Distinguish Between HDPE and LDPE

Germany: Mobile NIR Spectroscopy Solution New PE Applications Help to Quickly Distinguish Between HDPE and LDPE

30.03.2021Editor: MA Alexander Stark

By launching two applications for its mobile NIR spectroscopy solution, Trinamix is improving on-the-spot sorting of HDPE and LDPE. The applications are intended to make sorting process for the different commodity streams fast and easy, thereby increasing recycling capacities for PE recyclates.

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trinamiX GmbH - IR Sensors Hertzstück

Trinamix launches two new PE applications for its Mobile NIR Spectroscopy Solution.
(Source: BASF)

Ludwigshafen/Germany — Polyethylene (PE) is the most widely produced plastic in the world and the most popular thermoplastic for foils and packaging. Depending on its density, PE can be divided into HDPE (high-density polyethylene) and LDPE (low-density polyethylene). While the similar characteristics of HDPE and LDPE lead to overlaps in their respective applications, differences in their mechanical properties have an impact on their processing and the subsequent recycling process. In the context of recycling, a separation by type has a favorable effect on the quality of the recyclate. Addressing this demand, Trinamix has launched two new applications for its mobile NIR spectroscopy solution. In addition to quickly distinguishing between HDPE and LDPE, the ratio of PE to PP in mixed plastics can be precisely determined as easy as pushing a button, the company states.

Also, the company’s solution provides insights when it comes to the recovery of mixed plastics made of PE and PP. By determining the percentage ratio in PE/PP mixed plastics, recyclers can sort incoming commodity streams with greater precision. This way, the different specifications and quality requirements of the recyclates can be attained more accurately. Recently the company also introduced a solution for the quick differentiation of the engineering plastics PA6 and PA66.

Distinguishing PA6 from PA66 at the push of a button with Trinamix Mobile NIR Spectroscopy Solution. (BASF/ Trinamix)

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