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Automotive Glass

Strainoptics manufactures a complete line of manually operated and automated equipment for measuring surface stress and edge stress in annealed, heat-strengthened, and tempered automotive glass. Please click on the product photo to learn more about that specific instrument.

The 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 EN-12150 guidelines!

Reflection Strain Viewer

(for observing non-uniform stress distribution and tensile imbalance.)

Reflection Polarimeter

(for “black band” measurements)