Engineering ToolBox - Resources, Tools and Basic Information for Engineering and Design of Technical Applications!

Glazing Materials - Optical Properties

Optical properties of commonly used glazing materials.

The ideal solar collecting energy glazing material is transparent to short-wave infrared radiation and opaque to long-wave radiation.

Optical properties of some typical glazing materials:

Glazing Materials - Optical Properties
Short-wave Infrared Solar TransmittanceLong-Wave Infrared Transmittance
Window glass (float glass) 4 0.83 0.02
Low-iron glass 3 0.89 0.08
Acrylic Glass - Poly(methyl methacrylate) (common trade names Plexiglas, Limacryl, R-Cast, Perspex, Plazcryl, Acrylex, Acrylite, Acrylplast, Altuglas, Polycast, Oroglass and Lucite) 3 0.82 0.02
Polyvinyl Fluoride (known by his trade name Tedlar from DuPont) 0.1 0.92 0.22
Polyester, Mylar 0.1 0.87 0.18
  •  1 mm = 0.03937 in

Related Topics

  • Environment

    Climate, meteorology, solar, wind, emissions and environmental related engineering resources.

Related Documents


Search is the most efficient way to navigate the Engineering ToolBox.

Engineering ToolBox - SketchUp Extension - Online 3D modeling!

3D Engineering ToolBox Extension to SketchUp - add parametric components to your SketchUp model

Add standard and customized parametric components - like flange beams, lumbers, piping, stairs and more - to your Sketchup model with the Engineering ToolBox - SketchUp Extension - enabled for use with older versions of the amazing SketchUp Make and the newer "up to date" SketchUp Pro . Add the Engineering ToolBox extension to your SketchUp Make/Pro from the Extension Warehouse !

Translate this Page

Translate this page to Your Own Language .

About the Engineering ToolBox!

Privacy Policy

We don't collect information from our users. More about

We use a third-party to provide monetization technologies for our site. You can review their privacy and cookie policy here.

You can change your privacy settings by clicking the following button: .


This page can be cited as

  • The Engineering ToolBox (2008). Glazing Materials - Optical Properties. [online] Available at: [Accessed Day Month Year].

Modify the access date according your visit.

3D Engineering ToolBox - draw and model technical applications! 2D Engineering ToolBox - create and share online diagram drawing templates! Engineering ToolBox Apps - mobile online and offline engineering applications!

Unit Converter