Questions tagged [waterproofing]
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9 questions with no upvoted or accepted answers
water leak through subterranean cable penetrations in concrete
See the image below for the detail of 4 no. cable ducts that run from a trench in a raft foundation (on the left) through an approximately 1 m square penetration in the raft foundation, through soil (...
I want to test non woven fabrics to see if they are polypropylene, the lining material of N95 masks
A group of us are sewing face masks to prevent the spread of sputum. I've learned that the lining of an N95 mask is made of polypropylene. Polypropylene is also a common interfacing product for ...
Is there any software for testing cad model waterproofing and isolation?
I have a cad model of a plastic box that is made of two parts. Two parts are connected with resin isolation. I want to test if my part is at least in theory ip86 water-resistant. So is there any ...
In the Panama Canal, how are the lock gates kept water-tight (at the hinges, middle, and bottom)?
The Panama Canal has these huge gates. They close so the locks can be flooded or drained. They're swing gates, so 3 questions come to mind: How are they water-tight at the hinges? How are they water-...
How to lay stretch film around a frame so that it can hold water without leaks?
In order to store rain water and use it for the garden I need to build a 1000L water tank with custom dimensions (0,70m x 0,84m x 1,50m) made out of stretch film. So far I am experimenting with a ...
watches: screw-down crown, gaskets, and what else?
I recently learned that some watches have a "screw-down crown", which to my understanding is made with a threaded crown stem that tightens into a threaded watch case. This seems ...
Waterlogged multistorey apartment
I fraction invested in a real estate project several years back. Mid way through the construction, after about 12 floors, the building contractor filed for bankruptcy. An asset reconstruction company ...
Brainstorming ways to water seal a submarine with a protruding instrument?
I am currently working on a submarine that has a flat face at one end made of 1/2" acrylic. Currently, there is a 12mm glass sensor that protrudes through a hole in the acrylic face and I am ...
IP grade for specific plastic case
I´m designing an access control device and I need to place it in a plastic case so it can be easily installed on a wall, for example. Also, the PCB will have a special coating for humidity protection. ...