putao ultraviolet protection bag is an aluminum film packaging material specifically designed to block ultraviolet radiation. It is widely in photography, medical, laboratory, and daily necessities moisture protection. Here is putao detailed introduction to the ultraviolet protection bag: Material and Principle The material of the paperplastic ultraviolet protection bag directly affects its ultraviolet protection effect and service life. Common materials include: Polyester (PET)

High-pressure plastic transparent bags Opa can reach 80%-90% Thick texture, full velvet, soft and comfortable touch Suitable for general ultraviolet protection needs, such as photographic film, paper, etc. putao Aluminum film material Complete shading, ultraviolet protection rate

Excellent heat insulation performance It is often used for medical-sensitive drugs, laboratory reagents, etc. Multi-layer composite fabric Combining the advantages of different materials It usually contains ultraviolet protection layer, moisture-proof layer reinforcement layer Suitable for precious items that need to be stored for a long time Special function material Moisture-proof coating: suitable for use in humid environment i-static treatment:putao protect precision electronic components Insulation function: aluminum foil material has excellent insulation performance