Polariscope Strain Viewer – Advanced Technology for Accurate Stress Detection in PET Preforms and Glass Products
In the manufacturing industry, product quality depends on more than external appearance. A transparent PET preform or glass container may look perfectly manufactured while containing internal stress that could affect its performance during processing, storage, or handling. Identifying these hidden irregularities is an important part of quality assurance. The Polariscope Strain Viewer provides a practical optical inspection method for observing stress patterns in transparent materials. PACORR Testing Instruments offers Polariscope Strain Viewer solutions to help manufacturers evaluate material consistency, identify potential production concerns, and maintain dependable quality standards. Why Internal Stress Detection Matters in Manufacturing During processes such as injection molding, glass forming, heating, and cooling, materials experience changes in temperature and pressure. When these processes are not properly controlled, residual stresses may remain inside the finished comp...