Selection of moisture-proof packaging materials for optocouplers

Selection of moisture-proof packaging materials for optocouplers
Aluminum foil bag
characteristic
Aluminum foil bags are usually composed of multiple layers of materials, with the surface layer being aluminum foil and the middle layer being plastic film. Aluminum foil has a good moisture-proof effect, which can effectively prevent the penetration of moisture. Its barrier performance is good, and it can protect optocouplers from external moisture. At the same time, the inner layer of aluminum foil bags is usually coated with a food grade material (when used for food packaging), and there will also be corresponding coatings that meet the requirements of electronic component packaging when used for optocoupler packaging, which can avoid the possible impact of direct contact between aluminum materials and optocouplers.
High quality aluminum foil bags are produced using advanced sealing technology to ensure a tight seal at the bag opening, avoiding the intrusion of external factors such as air and moisture, and ensuring the quality and safety of optocouplers during storage and transportation.
Applicable situation
Suitable for optocoupler products with high moisture resistance requirements, especially for situations that require long-term storage or transportation. However, its production process requires the consumption of certain resources and energy. When choosing to use it, enterprises should consider various stages of its lifecycle to minimize the burden on the environment. Meanwhile, if the aluminum foil bag is damaged during transportation or storage, it may affect its moisture resistance.
Moisture resistant paper materials
wax paper
Wax paper is a type of paper that has been impregnated with wax and has a certain degree of moisture resistance. It has relatively low cost and simple manufacturing process. However, compared to materials such as aluminum foil bags, its moisture resistance is limited and its moisture resistance durability is poor.
Suitable for optocoupler products that are not particularly demanding in terms of moisture resistance, short-term storage, or temporary packaging