Europe · CEN · GlassCheck edition

EN 1863-1

Glass in building — Heat strengthened soda lime silicate glass — Part 1: Definition and description

Heat-strengthened glass: surface prestress, fragmentation, characteristic bending strength.

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EN 1863-1

Heat-strengthened glass

Float glass with moderate surface prestress: fb,k 70 MPa; breaks into large pieces that stay in the frame.

fg,k / fb,k

70 MPa

E

70 000 MPa

Confirmed

2

Corroborated

6

Single source

16

Disagreements explained

8