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Lead Glass Windows

UQG (Optics) Ltd.Request Info
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Lead Glass WindowsUQG Optics x-ray protection lead glass windows act as a protection barrier to harmful rays. Widely used in vacuum systems and sensitive instruments. They are an excellent radiation shielding glass.

Our lead glass windows are manufactured in circular windows or plates in two grades of surface finish, either optically polished for increased flatness or thickness tolerance and from standard polished sheet materials.

UQG Optics has an extensive range of stock sizes for a quick delivery.


Diameters (Optical): 5mm to 200mm
Squares/Rectangles (Optical): 10mm to 200mm (Plate finish) up to 1000mm
Thickness: 3mm to 16mm (100kv to 300kv) (subject to dimension)
Surfaces: 40/20 to 80/50
Sheet Sizes up to 1000mm square

Diameters: 25mm – 100mm
Material: Lead glass (RWB46) X-ray protection glass
Dimension Tolerance: +.00/-0.20mm
Thickness Tolerance: ± 0.10mm
Edges: Fine ground
Surface Quality: 60/40
Flatness: ≤ 5 fringes
Parallelism: ≤ 3 arc mins

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