CRL Tests of freestanding barrier glass with evguard® laminating interlayer film

Design guide

CRL Tests of freestanding barrier glass with evguard® laminating interlayer film

by Folienwerk Wolfen GmbH

Hamilton Erskine required a number of different glass constructions to be tested as barrier glass. Encapsulated within the Evguard EVA in some of the glass constructions was a modified polyester (MPE) sheet in various thicknesses. The tests were conducted at the premises of CR Laurence using their balustrade load testing rig and observed by John Colvin of JCGC Limited. Evguard EVA is stiffer than standard PVB, but not as stiff as DG41 PVB. In a sufficiently rigid top mounted clamping system, 16.8 mm and 17.5 mm laminated toughened glass using Evguard would be appropriate to resist a 0.74 kN/m barrier load. In a sufficiently rigid top mounted clamping system, 21.5 mm laminated toughened glass using Evguard would be appropriate to resist a 1.5 kN/m barrier load.

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