To waterproof, simply find an old plastic container that will go over the front and back parts and use silicon sealent to fix them onto the double sided PCB.

至于防水，简单地找一个旧塑料容器，分开前面和背面，用硅密封胶把它们分别粘在PCB的两面上。

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Sheet Machinable FPC, PET, PCB, double sided tape, protective film, thin copper and aluminum and other electronic materials, die-cut full cut and a half off.

片材可加工FPC，PET，PCB，双面胶，保护膜，铜铝薄等各种电子材料，冲切全断和半断。

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