Harbin main use of a lightproof bag is to block light and seal the bag to the contents from light exposure. Prevents light from entering the bag, which has good water resistance and is suitable for: Storing film, precision equipment instruments,Harbin photographic paper and photosensitive materials to avoid image damage or distortion due to exposure. ‌Daily necessities protection‌ It can be used to store items that need to be protected from light ( as jewelry, machine equipment, collectibles, electronic device screens, etc.) to reduce oxidation or aging caused by ultraviolet rays or strong light. ‌Special industries‌

the printing,Harbin electronics manufacturing and other industries, it is used to protect photosensitive materials or precision components during transportation or storage. Its core function is to achieve complete light blocking through-transparent materials (such as aluminum foil lightproof bags, multi-layer composite fabrics), and some designs will also combine moisture-proof, ultraviolet-proof packaging bags,-static and other properties.

Choose a completely light-proof aluminum foil bag or a thickened polyester bag Ensure there is no reflective material inside It is recommended choose a design with a sealing strip to prevent accidental exposure‌ Daily necessities protection‌ Choose the material according to the value of the item For valuable items, it is to use an aluminum foil bag

Ordinary items can choose a polyester anti-ultraviolet Harbin material‌ Special industries‌ Consider special requirements such as anti-static,-proof, etc. Customized professional light-proof bags are usually required‌ Suggestions for choosing the size of a light-proof bag When choosing the size of light-proof bag, attention should be paid to: Basic principle‌ The light-proof bag should completely cover the protected item Leave a suitable margin to avoid the being squeezed For irregular items, choose a style with adjustable size‌