FAQ

CONDENSATION ON THERMAL INSULATION GLASS
Recently there have been various signs of a phenomenon that used to occur only rarely: condensation on the weather side, i.e. on the outside of the window pane. If you have just replaced your outdated insulation or simple glass with modern thermal insulation glass ... DOWNLOAD

WHAT IS THE CAUSE OF THE OPTICAL PHENOMENA?
The optimum plane-parallel properties of float glass panes mean that optical phenomena can occur under certain lighting conditions. These can consist of rainbow stains, stripes and rings that appear when pressure is exerted on the pane ... DOWNLOAD

GLASS CAN TAKE A LOT - BUT NOT EVERYTHING!
Glass as part of the facade is subject to natural soiling structural soiling. Normal soiling is no problem for glass that is cleaned professionally at appropriate intervals. Depending on time, location, climate ... DOWNLOAD

WHAT IS GLASS CORROSION?
The silicate-based composition of glass is responsible for its well-known good chemical resistance to various aggressive media. Apart from hydrofluoric acid and hot alkaline solutions, which chemically attack silicate glass ... DOWNLOAD

WHAT IS A SPONTANEOUS INCIPIENT CRACK?
The delayed destruction of heat-strengthened glass (ESG) without visible outside effects is called a spontaneous incipient crack. A spontaneous incipient crack should not be confused with intermittent cracking of the glass caused by mechanical effects or ... DOWNLOAD

DEFINITIONS FROM A – Z
Our glass ABC offers detailed explanations for all important definitions in the field of glass ... DOWNLOAD