1. The bonding and sealing surface should be dense, strong, dry, clean and free of moisture, oil stains, dust, etc.
2. Cut the pointed mouth to meet the requirements, and pierce the aluminum film inside the glue outlet with a sharp tool.
3. Put in the glue injection gun and squeeze the glue into the place where it needs to be sealed
4. When it is necessary to scrape the surface, it should be smoothed with bamboo chips dipped in soapy water before the surface is dried.