Heat-control optics-Heat glass filters These KG Heat-absorbing Filters are cheap solutions for reducing unwanted heat in a system. These Schott Colour Glass KG Heat-absorbing Filters separate infrared radiation from visible radiation by absorption and dissipate the heat into the surrounding area of the glass. Unlike Hot Mirrors that reflect the infrared radiation.
Knight Optical > Filters > Heat-control optics-Heat glass filters Only UK and EU customers are charged VAT at 17.5%, customers outside the EU and EU customers based outside the UK who have a valid EU VAT number will not be charged VAT Bulk Discounts! Where (B) appears next to a price below, bulk prices are available, click the (B) button to view! PDF Part No. Material Size/dimensions (mm) Thickness (mm) Wavelength (nm) Price Qty Buy 716FHC2500 KG1-toughened 25 dia 3 716 £11.25 716FHC5000 KG1-toughened 50 dia 3 716 £19.00 716FHC4242 KG1-toughened 42 x 42 3 716 £46.00 716FHC5050 KG1-toughened 50 x 50 3 716 £21.00 716FHC6565 KG1-toughened 65 x 65 3 716 £27.45 Knight Optical > Filters > Heat-control optics-Heat glass filters
Specification   Material: KG1 Schott Colour Glass / Toughened Material Data : (see materials section) Diameter: +0.0 / -0.2 mm Length/width: ± 0.2 mm Thickness: ± 0.2 mm Surface quality: <60-40 Flatness: <2.5λ over 90% test area Parallelism: <3 arcmin
Specific requirements We can manufacture Schott Colour-glass filters to any size at short notice, so if your requirements are not listed please contact us by telephone / fax or email: stockrequirement@knightoptical.co.uk Options available   · Special shapes and sizes   · Mounting (circles) Technical Data Sheets Are available for each filter (see materials section) See also Cold mirrors Hot mirrors Other short-pass filters: Schott colour-glass and UV + IR absorption filters-Glass type For storage boxes (see accessories)