- Viewing Area260 * 240 mm
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Supply Type
Manufacturer, Exporter, Supplier
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Preferred Buyer Location
All over the world
Presto presents Polariscope Strain viewer, a high-quality testing instrument that is used for checking the quality of PET preforms. It works on the principle that any change in the refractive index of a material indicates strain in that material which affects the quality of the material.