Corosion resistant materials to sodium hypochlorite
Corosion resistant materials to sodium hypochlorite
(OP)
I am designing some inspection equipment for a bleach bottling plant (sodium hypochlorite) and I am looking for a clear plastic material that will survive the enviroment. The plastic material will be used to house some camera equipment and so must remain optically clear. I already have speced out using either PVC coated or powder coated steel insted of using stainless steel (our useal standard). Our other plastic components are manufactured out of UHMW, delrin, or PBT and I don't care if they discolor over time, but I am worried about my camera housing. I would like to use a plactic material if possible over glass but will use glass if there is no other options. Thanks!





RE: Corosion resistant materials to sodium hypochlorite
We used large clear plastic panels around a process that we once operated. The panels were exposed to HCl fumes and at times Cl fumes and it stood up very well. It may have been a simple as plexiglass or as exotic as polycarbonate.
I'll try to find out what the material was. There was a lot of it so it had to be inexpensive as they didn't spend money in that area.
RE: Corosion resistant materials to sodium hypochlorite
RE: Corosion resistant materials to sodium hypochlorite
RE: Corosion resistant materials to sodium hypochlorite
RE: Corosion resistant materials to sodium hypochlorite
The material is plexiglass and is mounted with glass reinforced plastic screws.
Don't not use metal screws, especially any ones with copper, if at all possible.
You will have to watch the focus of your camera as plexiglass with play tricks with the light. There is a coating that will correct this problem.
RE: Corosion resistant materials to sodium hypochlorite
RE: Corosion resistant materials to sodium hypochlorite
Stick with polycarbonate. Readily available, craze and crack resistant, and beautifully optically transparent. Agree with the other comments, though- a window of any kind can wreak havoc with auto-focus devices on some cameras.
RE: Corosion resistant materials to sodium hypochlorite
Question on the yellowing: is it just UV wavelengths of light that cause this or is it somthing else? Thanks!
RE: Corosion resistant materials to sodium hypochlorite
RE: Corosion resistant materials to sodium hypochlorite