 | This articleneeds additional citations forverification. Please helpimprove this article byadding citations to reliable sources. Unsourced material may be challenged and removed. Find sources: "Plate glass" – news ·newspapers ·books ·scholar ·JSTOR(October 2022) (Learn how and when to remove this message) |
Plate glass,flat glass orsheet glass is a type ofglass, initially produced in plane form, commonly used forwindows, glass doors, transparent walls, andwindscreens. For modern architectural and automotive applications, the flat glass is sometimes bent after production of the plane sheet. Flat glass stands in contrast tocontainer glass (used for bottles, jars, cups) andglass fibre (used forthermal insulation, infibreglass composites, and foroptical communication).
Flat glass has a highermagnesium oxide andsodium oxide content than container glass, and a lower silica,calcium oxide, andaluminium oxide content.[1] From the lower soluble oxide content comes the betterchemical durability of container glass against water, which is required especially for storage of beverages and food.
Most flat glass issoda–lime glass, produced by thefloat glass process (1950s). Other processes for making flat glass include:
The termplate glass universities is used in theUnited Kingdom to describe a group – or generation – of universities (in an acknowledgement of the termred brick universities, used for an older generation of establishments).
Scratches can occur on sheet of glass from accidental causes. In glass trade terminology these include "block reek" produced in polishing, "runner-cut" or “over/under grind” caused by edge grinding, or a "sleek" or hairline scratch, as well as "crush" or "rub" on the surface.[2]
