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Ordinary glass glue will do, but it will take 24 hours to cure completely.
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It is commonly used to stick firmly and work.
The flat pipe ceiling can be blocked, and the riser is closed with PVC sheets, so that it can be opened during maintenance.
This is the sewer pipe in the bathroom. A floor drain and sink drain and a toilet drain. >>>More
Specialized PVC-U water glue.
The main reason is that the sewer pipes of many buildings are now made of PVC material, and obvious drainage sounds will be heard when draining upstairs, especially at night, which affects rest. >>>More
The tube is not tightly sealed and there is a slight leakage. The water generally contains trace amounts of carbonate (such as calcium carbonate, magnesium carbonate, etc.), which will be shown after evaporation but the carbonate is deposited over time.