Effective Material for Concealing Heat Sources from Infrared Detection

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Certain heat insulating materials with a high R-value can effectively conceal a heat source from infrared detection. However, any material used for this purpose will also trap heat, which is a critical consideration if the heat source is intended for heating a space or if there are concerns about overheating. For example, if the heat source is comparable to the output of fifty 60-watt bulbs, the thickness and type of insulating material would need to be carefully evaluated to ensure it effectively masks the infrared signature while managing heat retention.
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Is there a material that can effectively make a strong heat source undetectable by infrared, by covering it (the heat source)? A random question, I know - just curious.
 
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How hot are we talking about? How thick can the material be?
 
Any heat insulating material of sufficient R value will.
 
It should be noted that any material that shields the infrared appearence of the heat source would also trap the heat. Something to bear in mind if the purpose of the heat source is to heat your house, or if overheating is a concern.
 
dduardo said:
How hot are we talking about? How thick can the material be?

Not extremely hot. I'm not exactly sure what to compare it to for an example...hmm, maybe say you had like fifty 60 watt bulbs in a particular room in your house - in lamps that were placed on the floor. What could you cover those lamps with to make the heat undetectable by infrared?

Thanks for the reply btw.
 

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