6.6k views
2 votes
Why is tin foil a good insulator

User JorgeAmVF
by
8.4k points

1 Answer

4 votes
Tin foil is a heat insulator because it can reflect radiation. When tin foil, for instance, is wrapped around an object, air can be trapped. Trapped air is a good insulator against convection.
User Wycleffsean
by
8.5k points