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Float Glass

Float glass is a so-called flat glass, which is produced in a float glass process. To do this, the molten glass is applied to a bath of liquid tin. Since the glass is lighter than tin, it floats on the surface and spreads out completely evenly.

The result is glass with an immaculately smooth surface that is free of air pockets (such as bubbles or streaks). Because of these advantages, the float glass process has largely become established in the manufacture of flat glass.

Other properties of float glass:

    - Robust against scratches

    - Weight: approx.2.5 kilograms per square meter and millimeter of glass thickness plane-parallel surfaces: Both sides of the glass surface are completely flat and parallel to each other.

    - Color: Float glass usually has a slightly greenish color, which is particularly visible on the edges. For lighter glass, special raw materials low in iron oxide are used (see also the point "Float glass vs. white glass" below).

    - High light transmission: conventional float glass (single glass, glass thickness of 3-10 millimeters) has a light transmission of approx. 85-90%, with white glass the value is even higher.

    - Resistance to temperature changes: It is around 40 Kelvin (with simple glass without safety treatment), which means that float glass can withstand rapid temperature changes in the range of up to 40 Kelvin.

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