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Yellowed Thorn PP diffuser This diffuser was on the 6ft pop pack in mum's kitchen for 9 years and seemed to yellow really badly as there were two pop packs and the other has no yellowing. This diffuser seemed to block more light than the other so perhaps it was from a bad batch. It was probably on for an estimated average of 3 hours every night over the year. The yellowing is on the surface and I am managing to get rid of it with some wet and dry paper. I'm going to treat it with some UV protection that is used on plastic such as boats, hopefully it will fair better as I want to use it again.

Yellowed Thorn PP diffuser

This diffuser was on the 6ft pop pack in mum's kitchen for 9 years and seemed to yellow really badly as there were two pop packs and the other has no yellowing. This diffuser seemed to block more light than the other so perhaps it was from a bad batch. It was probably on for an estimated average of 3 hours every night over the year. The yellowing is on the surface and I am managing to get rid of it with some wet and dry paper. I'm going to treat it with some UV protection that is used on plastic such as boats, hopefully it will fair better as I want to use it again.

ThornPP65__pending_restoration.JPG Thorn_13w_Minipak.JPG Unknown4ft40w_restored.jpg Unknown_4ft__open__fitting.JPG yellowed.JPG
File information
Filename:yellowed.JPG
Album name:RobTDCI / Fluorescent fittings
Manufacturer:Thorn
Date manufactured:2012
Filesize:456 KiB
Date added:16 Jul, 2023
Dimensions:1200 x 1600 pixels
Displayed:35 times
URL:http://80.229.24.59:9232/gallery/displayimage.php?pid=19389
Favourites:Add to Favourites

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Oliver   [17 Jul, 2023 at 02:01 PM]
The diffuser on one of my 8w fittings has gone really yellow, especially where the cathodes are. I doubt that fading will ever be removed fully. The best thing may be to try and compensate the yellowing with a cooler colour tube.
RobTDCI   [22 Jul, 2023 at 09:50 AM]
I've complete the restoration of this diffuser using the same technique as for yellowed car headlights and applying a UV protector. The only thing about that is that it needs to be re-applied regularly monthly. That won't happen, maybe a couple of times a year when it's removed for getting rid of the dead flies. It's not going to be doing many hours, so time will tell as to how long it lasts. Always like giving something a new lease of life rather than sending it to land fill.

Comment 1 to 2 of 2
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