What's the Difference Between Indoor and Outdoor Insulation Coatings ?

What's the Difference Between Indoor and Outdoor Insulation Coatings ?

Summary

On the heating platform are four samples: the left side showcases indoor and outdoor models with a thickness of 1mm, while the right side features indoor and outdoor models with a thickness of 2mm. They are heated to 50℃ to simulate high summer temperatures and observe the respective cooling effects.

What's the Difference Between Indoor and Outdoor Insulation Coatings ?