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Safety Glass Made Safer:
"Swing Bag" Tests Compare Glass Railing Performance

To compare the impact strength and post-break performance of glass railing systems, DuPont has conducted comprehensive "swing bag" testing of tempered glass and commonly specified laminated glass in varying thicknesses and structural systems.





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LET'S GET TECHNICAL: See Actual High-Speed Camera Recordings

Choosing a stronger laminated glass interlayer can have a significant impact on glass railing barrier post-break performance. Compare the lab videos below, to see how 35-mil SentryGlas® compares with 60-mil PVB in controlled side-by-side swing bag tests.

Swing Bag Test: 60-mil PVB

Half-inch laminated glass with 60-mil PVB

Click on the video link to open a larger window and see the result of a 500-ft-lb impact on a glass railing made with PVB. » High-speed video
Swing Bag Test: 35-mil Safety Glas®

Half-inch laminated glass with 35-mil SentryGlas®

Click on the video link to open a larger window and see the result of a 500-ft-lb impact on a glass railing made with 35-mil SentryGlas® interlayer. » High-speed video

Learn More About the Test Program



Swing Bag Testing

Swing bag testing simulates human body impact

Learn more about the swing bag test lab setup and types of safety glass chosen by DuPont for balustrade performance comparison. » Test program description