[Pure plated aluminum foil bags and bags of difference]: First, from the material, said aluminum is aluminum bags, high-purity aluminum bags doped composites. Second, from a cost that is higher than the price of aluminum bags aluminum bags. Third, from the performance that aluminum bags moisture, the cooling effect is better than aluminum bags aluminum bags completely dark, aluminum bags shading effect is four, from the use, the aluminum vacuum bags more suitable for loading Deli , meat, aluminum bags suitable for loading tea, powder, aluminum bags and other electronic components is a soft material, a certain degree of elongation, and aluminum bags are brittle. Water vapor transmission: ≤0.006g / m · 24h (40 ℃ · 90% RH) Oxygen transmission rate: ≤0.024ml / (. M · 24h · 0.1mPa) Composite strength:> 25 N / 15mm Edge Strength:> 35 Newton / 15mm puncture strength:> 24 lbs sealing temperature: 150 ℃ ± 10 ℃ feeling people for food packaging, food packaging first from color, often a good package can give someone is thinking about more far-reaching. Food packaging color contact is very large. Packaging for the role is to protect the merchandise, promotional role. The colors for the promotional role of product self-evident. Not only beautify the commodity, but also plays an essential commodity marketing in the marketing function.