For some electronic and electric products that need to be waterproof and moisture-proof, what measures have been taken in the design of blister boxes to meet these functional requirements?
Publish Time: 2024-12-03
In the field of packaging of electronic and electric products, the design of blister boxes plays a vital role for those products that need waterproof and moisture-proof protection.
First of all, the selection of materials is the key first step. Plastic materials with good waterproof and moisture-proof properties are usually selected, such as polyvinyl chloride (PVC) or polyethylene (PE). These materials themselves have low water absorption and can effectively block the invasion of external water vapor. Moreover, their molecular structure is relatively stable and chemical reactions such as hydrolysis are not easy to occur in a humid environment, thereby ensuring the long-term waterproof and moisture-proof performance of blister boxes.
In the structural design of blister boxes, the sealing process is particularly careful. There is often a tight buckle structure or sealing groove between the box body and the box cover, which can form a relatively closed space when the box cover and the box body are closed. Some blister boxes will also add waterproof strips in the sealing groove to further enhance the sealing effect. The strips are usually made of rubber or silicone. They have good elasticity and water resistance, can fill the tiny gap between the box body and the box cover, and prevent water vapor from penetrating. For example, in the blister packaging of some high-end electronic watches, the design of this sealing strip can ensure that even in a high humidity environment, the precision electronic components inside the watch will not be damaged by moisture.
In addition, for some electronic and electric products with special shapes or interfaces, buttons and other parts, blister boxes will adopt local special designs. For example, for products with charging interfaces, blister boxes will design a flip-open or pluggable sealing plug at the corresponding interface position. When the product is placed in the blister boxes, the sealing plug can tightly block the interface to prevent water vapor from entering from the interface. For products with buttons, a transparent waterproof film may be used to cover the button area, which not only ensures the normal operation function of the buttons, but also plays a role in waterproofing and moisture-proofing.
In the overall molding process of blister boxes, attention will also be paid to the enhancement of waterproof and moisture-proof performance. For example, during the thermoforming process, ensure that the thickness of each part of the box body is uniform to avoid weak links that cause water vapor leakage. At the same time, special treatment is performed on the corners of the box body and other parts prone to gaps to make them more rounded and tight.
In short, through the comprehensive design of materials, structures, local details and molding processes, blister boxes can build a solid protective barrier for electronic and electric products that need to be waterproof and moisture-proof, ensuring the safety and reliability of products during transportation, storage and sales, extending the service life of products and improving the quality image of products.
