| Strainoptics manufactures a complete line of manually operated and automated equipment for measuring residual stress and roller wave distortion in annealed, heat-strengthened, tempered, and safety glass. Please click on the product photo to learn more about that specific instrument. |
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Strainoptics’ GASP® polarimeter is the instrument recommended by ASTM and other international standards groups for measuring surface stress in all types of heat-treated glass. Conforms to new European prEN-12150 guidelines! | |