Radiation Absorption Discs

The Four Aluminum Discs With Tough Anodized Surfaces Of Mirror Silver, Mirror Black, Matt Silver And Matt Black Have Dramatically Different Properties. Each Disc Has A 30-60 Degree Liquid Crystal Thermometer Bonded To Them, Showing Clearly How Surface Color And Texture Affects The Absorption And Reflection Of Radiant Heat. These Discs Are Perfect For Rapid Are Repeatable Results For Experiment With Infrared Absorption. (Radiation Absorption Discs)