Heat Absorbing Filters
Heat absorbing glass filters are used as heat controlling absorbing filters. IR absorbing the infrared region and dispel heat into the air. Filters can be toughened/tempered to place the surface in tension to increase the resistance to thermal shock and breakage. These heat filters are also supplied un-toughened when the characteristics of the filter are suitable for the application. It also acts as a short pass filters passing the visible and blocking the IR.

Specifications – Standard
Schott: datasheet - schott Hoya: datasheet - hoya     view stock

Material: Schott Glass Toughened
Dimensions: Diameters ± 0.20mm/Squares ± 0.20mm
Thickness: ± 0.10mm
Edges: Fine Ground
Surfaces: 60/40
Parallelism: ≤ 3 Arc mins.
Flatness: Ø 25mm ≤ 5 Fringes
50x50mm ≤ 8 Fringes
Custom Sizes and Options
Diameters: 15mm diameter to 160mm dia Toughened. 5mm – 160mm Untoughened
Squares/Rectangles: 15mm – 160mm Toughened. 5mm to 160mm Untoughened
Dimensions/Thickness: Tol to 0.02mm
Materials
Schott: KG1, KG3 & KG5
Hoya: HA30 & HA50

For further information on these products please contact our sales team.


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