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Thermoformed Plastics Measurement – Strainoptics Polarimeters for Measuring Stress in Thermoformed Plastics

Strainoptics manufactures a complete line of instruments for observing and measuring residual stress in packaging materials, beverage containers, and other thermoformed plastics.

Please click on the product photo to learn more about that specific instrument.


Large Field Strain Viewers

View stress patterns in your glass or plastic samples. We have standard stocked sizes but can make any custom size for you.



PS-100 Polarimeter Systems

come in a variety of configurations and comply with worldwide polarimetry standards and test methods, including ASTM D4093, ASTM C148, and ASTM F218.