Glass Bending

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Production Capabilities in Glass Bending

Bent ESG Glass

Bent glass produced at Dubiel Vitrum is always toughened ESG glass (we do not produce non-toughened bent glass). Dubiel Vitrum declares that bent toughened glass (as well as bent laminated VSG ESG glass) is glass with increased impact resistance, shattering into small, non-sharp fragments. Due to the lack of an applicable standard, it is not possible to declare conformity with a standard, nor is it possible to mark the glass with the CE symbol. We operate an integrated line for glass tempering and bending: the bending process takes place in the bending section of the tempering line.

TECHNICAL CONDITIONS FOR PRODUCING BENT GLASS (Safe ESG Glass)
Dimensional Limits for Glass Pieces
  • Minimum dimension: 200 x 500 mm (bending along a 500 mm arc)
  • Maximum dimension: 2400 x 1500 mm (bending along a 1500 mm arc)
Glass Thickness 4 - 12 mm
Minimum Bending Radii Depending on Glass Thickness
Glass Thickness [mm] Minimum Radius R
4 700
5 700
6 700
8 1000
10 1000
12 1200

The bending radius is the external radius of the glass.

Bending Diagram Maximum deflection: 270 mm
Maximum bending radius: 6200 mm
Additional Technical Information
  • Bent glass is shaped to cylindrical forms (i.e., with a constant bending radius) – spherical bending is not performed.
  • Bent glass always has straight sections at the beginning and end of the bend, ranging from 40 to 80 mm depending on the glass thickness.
  • Bent glass can be laminated.
  • Etched glass bending – the etched side is always on the concave side.

Applications of Bent Glass:

Safe bent glass is both striking and an excellent complement to modern interior design possibilities (railings, glazing, shower cabins, elevator doors), as well as attractive solutions in construction (bent glass barriers).

It is important to note that bent glass is challenging to produce in terms of precision and dimensional repeatability – thus requiring significant dedication and accuracy during processing.

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