Glasstress

Portable and automatic polariscopes measuring internal stress in glass for glass manufacturers and labs

Tallinn, EstoniaFounded 2003glasstress.comWebsite technologies

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Highlights

  • New on EvolcAdded 2026-10-28

About Glasstress

GlasStress makes glass stress measurement equipment, including the portable SCALP-05 and SCALP-04 scattered light polariscopes and the AP-07 automatic transmission polariscope for round glass objects.

It serves glass manufacturers, with stress analysis of products such as bottles, drinking glasses, lamps, CRT bulbs, optical fibre preforms, architectural panels and automotive glazing. Measurements can be done at its facilities in Tallinn or on site at the customer's plant. The company also offers in-house user training, consulting on residual glass stress, and periodic Glass Stress Summer Schools in Tallinn.

The company is registered in Estonia as Glasstress OÜ, founded in 2003 and headquartered in Tallinn.

Product: Scattered light and automatic transmission polariscopes for internal stress measurement in glass, plus stress analysis, training and consulting.

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