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What Is a Polariscope? A Guide to Viewing Stress in Glass and PET Preforms
How a polariscope reveals internal stress in glass containers and PET preforms with polarized light, how to read the patterns and how to check it.
Nov 54 min read
Detecting PET Preform Defects Under Polarized Light with the PL-P
The AT2E PL-P reveals the birefringence pattern of PET preforms under polarized light, so that defects from injection molding can be detected.
Sep 223 min read
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