Do the aluminum foil used in the electric oven have the right and negative sides?
But the bright side has a benefit-It reflects heat energy, so when it is roasting, it will turn on the face and can flow to the foodThe heat down bounce, bounce upward, it can accelerate the speed of cooked food. And ifWhen the whole package is wrapped up, the bright surface can rebound, and the heat energy can not be leakedThereby speeding up baking and saving energy.
Rolled by a big drumThe surface will be shiny, and the opposite will not shine in the center. According to manufacturerSay, because it doesn't matter right or wrong, so your love will go outside!
In fact, aluminum foil is not only positive and negative sides, the reason why there is a gloss surface and matte surface distinction,Because the aluminum foil is in the manufacture process, is two, two manufacture.