Ceramic Glass for Infrared Windows

ceramic_glass_windowceramic_glass_window

Ceramic IR is the perfect material for infrared applications where a through window is required for infrared transmission. Ceramic IR is highly permeable to thermal radiation, especially through the shortwave and mediumwave range. Typical applications include process protection, preventing airflow / cooling from heated surface, oven viewing window, UV blocking, and high temperature supporting structures.

The thermal linear expansion is nearly zero so temperature shock from cold / hot /cold is not a problem. Usability is limited only by maximum temperature range.

  • Thickness 3mm ± .2
  • Maximum temperature 775°C / 1430°F
Mechanical Properties
Density p Approx 2.6g/cm3 (25°C)
Modulus of elasticity / Young's modulus E Approx 93 x 103 Mpa (25°C)
Poissons ratio µ Approx. 0.25
Bending strength Approx. 35 MPa

Thermal Properties
Coefficient of mean linear thermal expansion (0 ± 0.5) X 10-6/k
Specific heat Approx 0.8 x 103 J/(kg x K)
Thermal conductivity Approx 1.6 W/ (m x k)

Chemical Properties
Chemical resistance DIN12116 At least Class S3
Alkaline resistance based on IS) 695 At least Class A2
Hydrolytic Class DIN ISO 719 Class HGB 1

Despite its superior thermal properties, Ceramic IR window should still be treated with the care given to any glass material. It still can be scratched or broken by mechanical abuse. When cleaning the window, use only non-caustic, non-abrasive cleaners. DO NOT ATTEMPT TO CLEAN HOT GLASS. Applying cleaner to hot glass may cause burns, emit hot noxious fumes, and the glass is more likely to stain.

ceramic_glass_chart
Page Tools

In This Section...

Heraeus Noblelight  •  Buford GA 30518 USA  •  Phone 678.835.5764  •  Email sales@noblelight.net