Does the aluminum foil used in the oven have positive and negative sides?
According to the manufacturer said, because regardless of positive and negative, so you love which side of the face can be out!
And if the whole food wrapped up baking, bright, but also more than the rebound can not be leaked heat, thereby speeding up the speed of cooking, saving energy.
But the bright side has a benefit - will reflect the heat, so in the barbecue, the bright side up, you can flow to the food, the heat back down, and then rebound up, which can speed up the food baking speed.
Rolled by a large roller, the surface will be shiny, relative, in the middle of the no glossy friends.
In fact, aluminum foil, regardless of positive and negative, the reason there will be glossy and shiny surface distinction, because the aluminum foil in the manufacturing process, is two made two.
