Cheap watch and mobile phone screen protector

Randall

Les Hiddins
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Someone here might appreciate this. I have a few watches - it was turning into a problem, like knife collecting; it's under control now. Anyway, with watches the ant's pants are sapphire crystals (the watch glass). Anything less generally gets scratched sooner or later. I only have one watch with a sapphire crystal. Because of my pursuits, normal watches get scratched so I put protectors on them (little plastic screens). One of my watches is convex, which means I can't put a protector on it. I found this "stuff" :D "nano liquid screen protector". It's a liquid and you apply it to your mobile phone screen and it's suppose to be uber tough. Lots of destruction tests on youtube for this. It generally sells in tiny tubes like it is LSD or something. It's just silicon dioxide. I found this, which is 30mls for very cheap - it will probably do 100's of mobile phones and bucket loads of watches (yes, that's the correct term for a group of watches). I'll also post one of the clearest instructional videos for applying it. I used lens cleaning papers for applying it because they are dust free.

Being a bushcraft forum I'm just opening the way here for someone to show us how to process silicon dioxide from sand or quartz :)

I've added one of the more balanced reviews too.

https://www.youtube.com/watch?v=NIPOTDUnUfo

https://www.youtube.com/watch?v=5vvCP2XPHnk

https://www.ebay.com.au/itm/Car-Headlight-Lens-Cleaner-Turtle-Wax-Headlamp-Restoration-Kit-Repair-Polisher/392122782165?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2057872.m2749.l2649
 
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Randall

Les Hiddins
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I've been expanding the uses of this stuff. I have some trip computers on mountain bikes. They have plastic screens. I removed the scratches with mother's mag polish - it was recommended on a watch forum. I also did this on an ancient watch with an acrylic crystal - it came up like new. I coated these things with the liquid glass, because that has to be more scratch resistant than plastic. The little trip computers would scratch when brushing dust off with a dustpan brush - now they seem to hold up. I'll try it on motorcycle instrument lenses next - they have plastic screens too.
 

Thrud

Richard Proenneke
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Toothpaste or Brasso work well for getting scratches out of watch screens.
 

Randall

Les Hiddins
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Toothpaste or Brasso work well for getting scratches out of watch screens.
Yes, toothpaste is an oldie. My grandfather used to polish perspex cockpits of fighter planes in WW2 with toothpaste (probably Boomerangs). Apparently the mag wheel cleaner does a better job - there's youtube videos comparing the effectiveness of these things. For one watch though, why buy Mother's :)
 
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