Osram Liteguard 65w White, Phosphor's Falling Off!

One of the tubes I acquired from [url=http://80.229.24.59:9232/gallery/displayimage.php?pid=7424][u]this haul[/u][/url] that actually works (they were mostly EOL through being hammered and/or damaged), although it does have a broken cathode. It works now I've shorted it out and it's nice & bright, however the phosphor is falling off in places as seen in the picture. Quite a few of the tubes were like this, I can only think its as they've been left unused in a cold & damp environment for so long?

Osram Liteguard 65w White, Phosphor's Falling Off!


One of the tubes I acquired from this haul that actually works (they were mostly EOL through being hammered and/or damaged), although it does have a broken cathode. It works now I've shorted it out and it's nice & bright, however the phosphor is falling off in places as seen in the picture. Quite a few of the tubes were like this, I can only think its as they've been left unused in a cold & damp environment for so long?

20180203_150207-1.jpg 20180212_004134_HDR.jpg 20180319_232207.jpg 20180405_210452.jpg 20180407_003450-1.jpg
File information
Filename:20180319_232207.jpg
Album name:fluorescent / Fluorescent Tubes
Manufacturer:Osram GEC
Filesize:2633 KiB
Date added:20 Mar, 2018
Dimensions:3559 x 1763 pixels
Displayed:18 times
URL:http://80.229.24.59:9232/gallery/displayimage.php?pid=7794
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Comment 1 to 5 of 5
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Danny   [20 Mar, 2018 at 10:07 AM]
They’ve been hit off something by the looks of it
fluorescent   [20 Mar, 2018 at 01:18 PM]
That would also explain why even the tubes that appear little used have broken cathodes or have lost gas. In fact there was a few completely smashed tubes too, I guess when they took them down they just chucked them on the floor Sad
Danny   [20 Mar, 2018 at 01:46 PM]
Yeah you can see little black dots (chips) in the middle of the parts where the phosphors missing. Definitly been thrown about sadly the shock of impact must shake the phosphor off. I’ve got a thorn made tube branded Crompton (the pretty etch type) and its in a absolute mess phosphor wise. These little holes all over and a cathode Out
fluorescent   [20 Mar, 2018 at 03:28 PM]
Oh aye, didn't spot them before. Shame really, I reckon that 125w GEC I uploaded the other day would have worked if it hadn't been dropped, both cathodes were in tact & it wasn't that banded. The cathodes just fizzled out as it'd lost gas as probably had a hairline crack somewhere. Quite a few more have been like that including some Cryselco 65/80w Naturals Sad
Danny   [20 Mar, 2018 at 05:23 PM]
That’s a thorn tube or atlas though I expect nothing less of them !

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