ホイルバッグは有毒ではありません. アルミホイル断熱袋の内側は発泡体などの柔らかい断熱材です。, 食品安全規制を満たしている. アルミ箔はバリア性に優れています, 良好な耐湿性, そして断熱性. たとえ熱が内側のアルミ箔層を通ってPEエアバッグ中央層に到達したとしても, 中層で熱対流が形成される, and it is not easy to penetrate the outer aluminum foil layer, so as to achieve a good heat insulation effect.
What material is the gold on the outside of the aluminum foil lunch box?
oxide layer.
Aluminum foil is a hot stamping material that is directly rolled into thin sheets from metal aluminum.
Due to its excellent properties, aluminum foil is widely used in food, 飲み物, タバコ, 医薬品, photographic film, household items, 等. Usually used as packaging materials, electrolytic capacitor materials, and heat insulation materials for buildings, 車両, 船, 家, 等. It can also be used as decorative gold and silver thread, 壁紙, various stationery prints, and decorative trademarks of light industrial products.
In a variety of applications, the most effective performance of aluminum foil is as a packaging material.
