Polariscope Strain Viewer Unveiling the Hidden Stress in Transparent Materials At Pacorr Testing Instruments, we are committed to offering cutting-edge solutions that help industries maintain the highest quality standards in material testing. One of the essential tools we provide is the Polariscope Strain Viewer, a powerful device that detects and analyzes internal stress in transparent materials such as glass, plastics, and polymers. Internal stress is often invisible to...