polariscope nxg

Different defects like cracks and strains present in PET & preform products may affect their quality. Testing these defects will help the manufacturers to gain confidence in their product quality. Presto has designed a high-quality lab testing instrument known as Polariscope Strain Viewer-NXG.


The Polariscope Strain Viewer is a top-tier laboratory testing instrument designed to assess the quality and transparency of PET preforms. Its operation is grounded in the principle that alterations in refractive index stem from varying strain distributions, resulting in diminished material transparency.


By utilizing the Polariscope Strain Viewer, manufacturers can visualize molecular birefringent flow lines, represented in vibrant colors. Notably, the appearance of black isoclinic lines occurs when the preform axis aligns parallel to the polarizing axis of the viewer. This unique feature enables precise analysis of PET preforms, offering valuable insights into their structural integrity and transparency characteristics.


This NXG model comes with highly advanced features that make it easy for manufacturers to test the defects and strains present in the products.

The Polariscope strain viewer is a powerful testing instrument that allows users to easily manage their data. With the use of this quality testing instrument, manufacturers can create product identification, company, check by details, and much more. Plus, all of this information can be managed easily with the help of this quality lab testing instrument. This makes it easy for users to keep track of their testing process and make sure that the quality of products will be delivered to the customers.

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