The thickness of the aluminum foil bag 30 wire is thick and thin
30 silk is 0.3 millimeters, about three yuan, so thick, already very thick, and should be the front and back of the bag, double-sided 30 silk, one side is 15 silk.
0.3mm is not thick yet? The thickness is too thick. The composite aluminum foil is made of aluminium 0.012mm.
30 silk is 0.3 millimeters, about three yuan, so thick, already very thick, and should be the front and back of the bag, double-sided 30 silk, one side is 15 silk.
